diff options
Diffstat (limited to 'posix')
63 files changed, 6501 insertions, 0 deletions
diff --git a/posix/environ.c b/posix/environ.c new file mode 100644 index 0000000000..a0ed0d80ea --- /dev/null +++ b/posix/environ.c @@ -0,0 +1,12 @@ +/* This file just defines the `__environ' variable (and alias `environ'). */ + +#include <unistd.h> +#include <stddef.h> + +/* This must be initialized; we cannot have a weak alias into bss. */ +char **__environ = NULL; +weak_alias (__environ, environ) + +/* The SVR4 ABI says `_environ' will be the name to use + in case the user overrides the weak alias `environ'. */ +weak_alias (__environ, _environ) diff --git a/posix/execve.c b/posix/execve.c new file mode 100644 index 0000000000..2d756293ed --- /dev/null +++ b/posix/execve.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> + + +/* Replace the current process, executing PATH with arguments ARGV and + environment ENVP. ARGV and ENVP are terminated by NULL pointers. */ +int +__execve (path, argv, envp) + const char *path; + char *const argv[]; + char *const envp[]; +{ + if (path == NULL || argv == NULL || envp == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (execve) + +weak_alias (__execve, execve) +#include <stub-tag.h> diff --git a/posix/fexecve.c b/posix/fexecve.c new file mode 100644 index 0000000000..fceae9251a --- /dev/null +++ b/posix/fexecve.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> + + +/* Execute the file FD refers to, overlaying the running program image. + ARGV and ENVP are passed to the new program, as for `execve'. */ +int +fexecve (fd, argv, envp) + int fd; + char *const argv[]; + char *const envp[]; +{ + if (fd < 0 || argv == NULL || envp == NULL) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +stub_warning (fexecve) +#include <stub-tag.h> diff --git a/posix/fork.c b/posix/fork.c new file mode 100644 index 0000000000..c19fa656b3 --- /dev/null +++ b/posix/fork.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + + +/* Clone the calling process, creating an exact copy. + Return -1 for errors, 0 to the new process, + and the process ID of the new process to the old process. */ +int +__fork () +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__fork) +stub_warning (fork) + +weak_alias (__fork, fork) +#include <stub-tag.h> diff --git a/posix/fpathconf.c b/posix/fpathconf.c new file mode 100644 index 0000000000..840460b04b --- /dev/null +++ b/posix/fpathconf.c @@ -0,0 +1,62 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> + + +/* Get file-specific information about descriptor FD. */ +long int +__fpathconf (fd, name) + int fd; + int name; +{ + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + + switch (name) + { + default: + __set_errno (EINVAL); + return -1; + + case _PC_LINK_MAX: + case _PC_MAX_CANON: + case _PC_MAX_INPUT: + case _PC_NAME_MAX: + case _PC_PATH_MAX: + case _PC_PIPE_BUF: + case _PC_SOCK_MAXBUF: + case _PC_CHOWN_RESTRICTED: + case _PC_NO_TRUNC: + case _PC_VDISABLE: + break; + } + + __set_errno (ENOSYS); + return -1; +} + +weak_alias (__fpathconf, fpathconf) + +stub_warning (fpathconf) +#include <stub-tag.h> diff --git a/posix/gai_strerror.c b/posix/gai_strerror.c new file mode 100644 index 0000000000..932c5910df --- /dev/null +++ b/posix/gai_strerror.c @@ -0,0 +1,29 @@ +/* Copyright (C) 1996,97,2001,02 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <netdb.h> + +const char * +gai_strerror (int code) +{ + static char buffer[128]; + snprintf (buffer, sizeof buffer, "Unknown error (%d)", code); + return buffer; +} +libc_hidden_def (gai_strerror) diff --git a/posix/getaddrinfo.c b/posix/getaddrinfo.c new file mode 100644 index 0000000000..548c0b863e --- /dev/null +++ b/posix/getaddrinfo.c @@ -0,0 +1,41 @@ +/* Stub version of getaddrinfo function. + Copyright (C) 1996, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <netdb.h> + +int +getaddrinfo (const char *name, const char *service, const struct addrinfo *req, + struct addrinfo **pai) +{ + __set_errno (ENOSYS); + return EAI_SYSTEM; +} +stub_warning (getaddrinfo) +libc_hidden_def (getaddrinfo) + +void +freeaddrinfo (struct addrinfo *ai) +{ + /* Nothing. */ +} +stub_warning (freeaddrinfo) +libc_hidden_def (freeaddrinfo) + +#include <stub-tag.h> diff --git a/posix/getegid.c b/posix/getegid.c new file mode 100644 index 0000000000..d939d6ad64 --- /dev/null +++ b/posix/getegid.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Get the effective group ID of the calling process. */ +__gid_t +__getegid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (getegid) + +weak_alias (__getegid, getegid) +#include <stub-tag.h> diff --git a/posix/geteuid.c b/posix/geteuid.c new file mode 100644 index 0000000000..c67dbfd708 --- /dev/null +++ b/posix/geteuid.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + + +/* Get the effective user ID of the calling process. */ +__uid_t +__geteuid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (geteuid) + +weak_alias (__geteuid, geteuid) +#include <stub-tag.h> diff --git a/posix/getgid.c b/posix/getgid.c new file mode 100644 index 0000000000..742c099fa2 --- /dev/null +++ b/posix/getgid.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> + +/* Get the real group ID of the calling process. */ +gid_t +__getgid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (getgid) + +weak_alias (__getgid, getgid) +#include <stub-tag.h> diff --git a/posix/getgroups.c b/posix/getgroups.c new file mode 100644 index 0000000000..d5868cc1b8 --- /dev/null +++ b/posix/getgroups.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1991,1992,1995,1996,1997,2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> +#include <sys/types.h> +#include <limits.h> + + +/* If SIZE is zero, return the number of supplementary groups + the calling process is in. Otherwise, fill in the group IDs + of its supplementary groups in LIST and return the number written. */ +int +__getgroups (size, list) + int size; + gid_t *list; +{ +#if defined (NGROUPS_MAX) && NGROUPS_MAX == 0 + /* The system has no supplementary groups. */ + return 0; +#endif + + __set_errno (ENOSYS); + return -1; +} + +#if !(defined (NGROUPS_MAX) && NGROUPS_MAX == 0) +stub_warning (getgroups); +#endif + +weak_alias (__getgroups, getgroups) +#include <stub-tag.h> diff --git a/posix/getlogin.c b/posix/getlogin.c new file mode 100644 index 0000000000..12b4283396 --- /dev/null +++ b/posix/getlogin.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stddef.h> +#include <errno.h> +#include <unistd.h> + +/* Return the login name of the user, or NULL if it can't be determined. + The returned pointer, if not NULL, is good only until the next call. */ +char * +getlogin (void) +{ + __set_errno (ENOSYS); + return NULL; +} + +stub_warning (getlogin) +#include <stub-tag.h> diff --git a/posix/getlogin_r.c b/posix/getlogin_r.c new file mode 100644 index 0000000000..f2470ee032 --- /dev/null +++ b/posix/getlogin_r.c @@ -0,0 +1,37 @@ +/* Reentrant function to return the current login name. Stub version. + Copyright (C) 1996, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Return at most NAME_LEN characters of the login name of the user in NAME. + If it cannot be determined or some other error occurred, return the error + code. Otherwise return 0. */ +int +getlogin_r (name, name_len) + char *name; + size_t name_len; +{ + __set_errno (ENOSYS); + return errno; +} +libc_hidden_def (getlogin_r) + +stub_warning (getlogin_r) +#include <stub-tag.h> diff --git a/posix/getpgid.c b/posix/getpgid.c new file mode 100644 index 0000000000..ad46771d2f --- /dev/null +++ b/posix/getpgid.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <unistd.h> +#include <sys/types.h> + +/* Get the process group ID of process PID. */ +pid_t +__getpgid (pid) + pid_t pid; +{ + return pid; +} +libc_hidden_def (__getpgid) +weak_alias (__getpgid, getpgid) + +stub_warning (getpgid) +#include <stub-tag.h> diff --git a/posix/getpgrp.c b/posix/getpgrp.c new file mode 100644 index 0000000000..85efc2f215 --- /dev/null +++ b/posix/getpgrp.c @@ -0,0 +1,27 @@ +/* Copyright (C) 1991, 1995, 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Get the process group ID of the calling process. */ +pid_t +getpgrp (void) +{ + return __getpgid (0); +} diff --git a/posix/getpid.c b/posix/getpid.c new file mode 100644 index 0000000000..c1c91fede7 --- /dev/null +++ b/posix/getpid.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Get the process ID of the calling process. */ +int +__getpid () +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__getpid) +stub_warning (getpid) + +weak_alias (__getpid, getpid) +libc_hidden_weak (getpid) +#include <stub-tag.h> diff --git a/posix/getppid.c b/posix/getppid.c new file mode 100644 index 0000000000..e00c237496 --- /dev/null +++ b/posix/getppid.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + + +/* Get the parent process ID of the calling process. */ +int +__getppid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (getppid) + +weak_alias (__getppid, getppid) +#include <stub-tag.h> diff --git a/posix/getresgid.c b/posix/getresgid.c new file mode 100644 index 0000000000..d6a9b52957 --- /dev/null +++ b/posix/getresgid.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Fetch the effective group ID, real group ID, and saved-set group ID, + of the calling process. */ +int +__getresgid (gid_t *egid, gid_t *rgid, gid_t *sgid) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__getresgid) +stub_warning (getresgid) + +weak_alias (__getresgid, getresgid) +#include <stub-tag.h> diff --git a/posix/getresuid.c b/posix/getresuid.c new file mode 100644 index 0000000000..227d6b7ded --- /dev/null +++ b/posix/getresuid.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991,1995,1996,1997,1998,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Fetch the effective user ID, real user ID, and saved-set user ID, + of the calling process. */ +int +__getresuid (uid_t *euid, uid_t *ruid, uid_t *suid) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__getresuid) +stub_warning (getresuid) + +weak_alias (__getresuid, getresuid) +#include <stub-tag.h> diff --git a/posix/getsid.c b/posix/getsid.c new file mode 100644 index 0000000000..eb7e60fa42 --- /dev/null +++ b/posix/getsid.c @@ -0,0 +1,32 @@ +/* getsid -- Return session ID of a process. Stub version. + Copyright (C) 1995,96,97,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +pid_t +getsid (pid_t pid) +{ + __set_errno (ENOSYS); + return (pid_t) -1; +} +libc_hidden_def (getsid) +stub_warning (getsid) +#include <stub-tag.h> diff --git a/posix/getuid.c b/posix/getuid.c new file mode 100644 index 0000000000..c4ea7e8c98 --- /dev/null +++ b/posix/getuid.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> + +/* Get the real user ID of the calling process. */ +uid_t +__getuid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (getuid) + +weak_alias (__getuid, getuid) +#include <stub-tag.h> diff --git a/posix/glob.c b/posix/glob.c new file mode 100644 index 0000000000..2e767304a7 --- /dev/null +++ b/posix/glob.c @@ -0,0 +1,1558 @@ +/* Copyright (C) 1991-2002,2003,2004,2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* AIX requires this to be the first thing in the file. */ +#if defined _AIX && !defined __GNUC__ + #pragma alloca +#endif + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +/* Enable GNU extensions in glob.h. */ +#ifndef _GNU_SOURCE +# define _GNU_SOURCE 1 +#endif + +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> + +/* Outcomment the following line for production quality code. */ +/* #define NDEBUG 1 */ +#include <assert.h> + +#include <stdio.h> /* Needed on stupid SunOS for assert. */ + + +/* Comment out all this code if we are using the GNU C Library, and are not + actually compiling the library itself. This code is part of the GNU C + Library, but also included in many other GNU distributions. Compiling + and linking in this code is a waste when using the GNU C library + (especially if it is a shared library). Rather than having every GNU + program understand `configure --with-gnu-libc' and omit the object files, + it is simpler to just do this in the source for each such file. */ + +#define GLOB_INTERFACE_VERSION 1 +#if !defined _LIBC && defined __GNU_LIBRARY__ && __GNU_LIBRARY__ > 1 +# include <gnu-versions.h> +# if _GNU_GLOB_INTERFACE_VERSION == GLOB_INTERFACE_VERSION +# define ELIDE_CODE +# endif +#endif + +#ifndef ELIDE_CODE +#if !defined _LIBC || !defined GLOB_ONLY_P + +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include <stddef.h> +#endif + +#if defined HAVE_UNISTD_H || defined _LIBC +# include <unistd.h> +# ifndef POSIX +# ifdef _POSIX_VERSION +# define POSIX +# endif +# endif +#endif + +#if !defined _AMIGA && !defined VMS && !defined WINDOWS32 +# include <pwd.h> +#endif + +#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS +extern int errno; +#endif +#ifndef __set_errno +# define __set_errno(val) errno = (val) +#endif + +#ifndef NULL +# define NULL 0 +#endif + + +#if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ +# include <dirent.h> +# define NAMLEN(dirent) strlen((dirent)->d_name) +#else +# define dirent direct +# define NAMLEN(dirent) (dirent)->d_namlen +# ifdef HAVE_SYS_NDIR_H +# include <sys/ndir.h> +# endif +# ifdef HAVE_SYS_DIR_H +# include <sys/dir.h> +# endif +# ifdef HAVE_NDIR_H +# include <ndir.h> +# endif +# ifdef HAVE_VMSDIR_H +# include "vmsdir.h" +# endif /* HAVE_VMSDIR_H */ +#endif + + +/* In GNU systems, <dirent.h> defines this macro for us. */ +#ifdef _D_NAMLEN +# undef NAMLEN +# define NAMLEN(d) _D_NAMLEN(d) +#endif + +/* When used in the GNU libc the symbol _DIRENT_HAVE_D_TYPE is available + if the `d_type' member for `struct dirent' is available. */ +#ifdef _DIRENT_HAVE_D_TYPE +# define HAVE_D_TYPE 1 +#endif + +#if _LIBC +# define HAVE_DIRENT64 1 +#endif + +/* If the system has the `struct dirent64' type we use it internally. */ +#if defined HAVE_DIRENT64 && !defined COMPILE_GLOB64 +# if defined HAVE_DIRENT_H || defined __GNU_LIBRARY__ +# define CONVERT_D_NAMLEN(d64, d32) +# else +# define CONVERT_D_NAMLEN(d64, d32) \ + (d64)->d_namlen = (d32)->d_namlen; +# endif + +# if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__ +# define CONVERT_D_INO(d64, d32) +# else +# define CONVERT_D_INO(d64, d32) \ + (d64)->d_ino = (d32)->d_ino; +# endif + +# ifdef HAVE_D_TYPE +# define CONVERT_D_TYPE(d64, d32) \ + (d64)->d_type = (d32)->d_type; +# else +# define CONVERT_D_TYPE(d64, d32) +# endif + +# define CONVERT_DIRENT_DIRENT64(d64, d32) \ + memcpy ((d64)->d_name, (d32)->d_name, NAMLEN (d32) + 1); \ + CONVERT_D_NAMLEN (d64, d32) \ + CONVERT_D_INO (d64, d32) \ + CONVERT_D_TYPE (d64, d32) +#endif + + +#if (defined POSIX || defined WINDOWS32) && !defined __GNU_LIBRARY__ +/* Posix does not require that the d_ino field be present, and some + systems do not provide it. */ +# define REAL_DIR_ENTRY(dp) 1 +#else +# define REAL_DIR_ENTRY(dp) (dp->d_ino != 0) +#endif /* POSIX */ + +#if defined STDC_HEADERS || defined __GNU_LIBRARY__ +# include <stdlib.h> +# include <string.h> +# define ANSI_STRING +#else /* No standard headers. */ + +extern char *getenv (); + +# ifdef HAVE_STRING_H +# include <string.h> +# define ANSI_STRING +# else +# include <strings.h> +# endif +# ifdef HAVE_MEMORY_H +# include <memory.h> +# endif + +extern char *malloc (), *realloc (); +extern void free (); + +extern void qsort (); +extern void abort (), exit (); + +#endif /* Standard headers. */ + +/* NAME_MAX is usually defined in <dirent.h> or <limits.h>. */ +#if defined HAVE_LIMITS_H || defined __GNU_LIBRARY__ +# include <limits.h> +#endif +#ifndef NAME_MAX +# define NAME_MAX (sizeof (((struct dirent *) 0)->d_name)) +#endif + +#ifndef ANSI_STRING + +# ifndef bzero +extern void bzero (); +# endif +# ifndef bcopy +extern void bcopy (); +# endif + +# define memcpy(d, s, n) bcopy ((s), (d), (n)) +# define strrchr rindex +/* memset is only used for zero here, but let's be paranoid. */ +# define memset(s, better_be_zero, n) \ + ((void) ((better_be_zero) == 0 ? (bzero((s), (n)), 0) : (abort(), 0))) +#endif /* Not ANSI_STRING. */ + +#if !defined HAVE_STRCOLL && !defined _LIBC +# define strcoll strcmp +#endif + +#if !defined HAVE_MEMPCPY && __GLIBC__ - 0 == 2 && __GLIBC_MINOR__ >= 1 +# define HAVE_MEMPCPY 1 +# undef mempcpy +# define mempcpy(Dest, Src, Len) __mempcpy (Dest, Src, Len) +#endif + +#ifndef __GNU_LIBRARY__ +# ifdef __GNUC__ +__inline +# endif +# ifndef __SASC +# ifdef WINDOWS32 +static void * +# else +static char * +# endif +my_realloc (p, n) + char *p; + unsigned int n; +{ + /* These casts are the for sake of the broken Ultrix compiler, + which warns of illegal pointer combinations otherwise. */ + if (p == NULL) + return (char *) malloc (n); + return (char *) realloc (p, n); +} +# define realloc my_realloc +# endif /* __SASC */ +#endif /* __GNU_LIBRARY__ */ + + +#if !defined __alloca && !defined __GNU_LIBRARY__ + +# ifdef __GNUC__ +# undef alloca +# define alloca(n) __builtin_alloca (n) +# else /* Not GCC. */ +# ifdef HAVE_ALLOCA_H +# include <alloca.h> +# else /* Not HAVE_ALLOCA_H. */ +# ifndef _AIX +# ifdef WINDOWS32 +# include <malloc.h> +# else +extern char *alloca (); +# endif /* WINDOWS32 */ +# endif /* Not _AIX. */ +# endif /* sparc or HAVE_ALLOCA_H. */ +# endif /* GCC. */ + +# define __alloca alloca + +#endif + +#ifndef __GNU_LIBRARY__ +# define __stat stat +# ifdef STAT_MACROS_BROKEN +# undef S_ISDIR +# endif +# ifndef S_ISDIR +# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) +# endif +#endif + +#ifdef _LIBC +# include <alloca.h> +# undef strdup +# define strdup(str) __strdup (str) +# define sysconf(id) __sysconf (id) +# define closedir(dir) __closedir (dir) +# define opendir(name) __opendir (name) +# define readdir(str) __readdir64 (str) +# define getpwnam_r(name, bufp, buf, len, res) \ + __getpwnam_r (name, bufp, buf, len, res) +# ifndef __stat64 +# define __stat64(fname, buf) __xstat64 (_STAT_VER, fname, buf) +# endif +# define HAVE_STAT64 1 +#endif + +#ifndef HAVE_STAT64 +# define __stat64(fname, buf) __stat (fname, buf) +/* This is the variable name we are using. */ +# define st64 st +#endif + +#if !(defined STDC_HEADERS || defined __GNU_LIBRARY__) +# undef size_t +# define size_t unsigned int +#endif + +/* Some system header files erroneously define these. + We want our own definitions from <fnmatch.h> to take precedence. */ +#ifndef __GNU_LIBRARY__ +# undef FNM_PATHNAME +# undef FNM_NOESCAPE +# undef FNM_PERIOD +#endif +#include <fnmatch.h> + +/* Some system header files erroneously define these. + We want our own definitions from <glob.h> to take precedence. */ +#ifndef __GNU_LIBRARY__ +# undef GLOB_ERR +# undef GLOB_MARK +# undef GLOB_NOSORT +# undef GLOB_DOOFFS +# undef GLOB_NOCHECK +# undef GLOB_APPEND +# undef GLOB_NOESCAPE +# undef GLOB_PERIOD +#endif +#include <glob.h> + +#ifdef HAVE_GETLOGIN_R +extern int getlogin_r (char *, size_t); +#else +extern char *getlogin (void); +#endif + +static const char *next_brace_sub (const char *begin, int flags) __THROW; + +#endif /* GLOB_ONLY_P */ + +static int glob_in_dir (const char *pattern, const char *directory, + int flags, int (*errfunc) (const char *, int), + glob_t *pglob); + +#if !defined _LIBC || !defined GLOB_ONLY_P +static int prefix_array (const char *prefix, char **array, size_t n) __THROW; +static int collated_compare (const __ptr_t, const __ptr_t) __THROW; + + +/* Find the end of the sub-pattern in a brace expression. */ +static const char * +next_brace_sub (cp, flags) + const char *cp; + int flags; +{ + unsigned int depth = 0; + while (*cp != '\0') + if ((flags & GLOB_NOESCAPE) == 0 && *cp == '\\') + { + if (*++cp == '\0') + break; + ++cp; + } + else + { + if ((*cp == '}' && depth-- == 0) || (*cp == ',' && depth == 0)) + break; + + if (*cp++ == '{') + depth++; + } + + return *cp != '\0' ? cp : NULL; +} + +#endif /* !GLOB_ONLY_P */ + +/* Do glob searching for PATTERN, placing results in PGLOB. + The bits defined above may be set in FLAGS. + If a directory cannot be opened or read and ERRFUNC is not nil, + it is called with the pathname that caused the error, and the + `errno' value from the failing call; if it returns non-zero + `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. + If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. + Otherwise, `glob' returns zero. */ +int +#ifdef GLOB_ATTRIBUTE +GLOB_ATTRIBUTE +#endif +glob (pattern, flags, errfunc, pglob) + const char *pattern; + int flags; + int (*errfunc) (const char *, int); + glob_t *pglob; +{ + const char *filename; + const char *dirname; + size_t dirlen; + int status; + size_t oldcount; + + if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) + { + __set_errno (EINVAL); + return -1; + } + + if (!(flags & GLOB_DOOFFS)) + /* Have to do this so `globfree' knows where to start freeing. It + also makes all the code that uses gl_offs simpler. */ + pglob->gl_offs = 0; + + if (flags & GLOB_BRACE) + { + const char *begin; + + if (flags & GLOB_NOESCAPE) + begin = strchr (pattern, '{'); + else + { + begin = pattern; + while (1) + { + if (*begin == '\0') + { + begin = NULL; + break; + } + + if (*begin == '\\' && begin[1] != '\0') + ++begin; + else if (*begin == '{') + break; + + ++begin; + } + } + + if (begin != NULL) + { + /* Allocate working buffer large enough for our work. Note that + we have at least an opening and closing brace. */ + size_t firstc; + char *alt_start; + const char *p; + const char *next; + const char *rest; + size_t rest_len; +#ifdef __GNUC__ + char onealt[strlen (pattern) - 1]; +#else + char *onealt = (char *) malloc (strlen (pattern) - 1); + if (onealt == NULL) + { + if (!(flags & GLOB_APPEND)) + { + pglob->gl_pathc = 0; + pglob->gl_pathv = NULL; + } + return GLOB_NOSPACE; + } +#endif + + /* We know the prefix for all sub-patterns. */ +#ifdef HAVE_MEMPCPY + alt_start = mempcpy (onealt, pattern, begin - pattern); +#else + memcpy (onealt, pattern, begin - pattern); + alt_start = &onealt[begin - pattern]; +#endif + + /* Find the first sub-pattern and at the same time find the + rest after the closing brace. */ + next = next_brace_sub (begin + 1, flags); + if (next == NULL) + { + /* It is an illegal expression. */ +#ifndef __GNUC__ + free (onealt); +#endif + return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); + } + + /* Now find the end of the whole brace expression. */ + rest = next; + while (*rest != '}') + { + rest = next_brace_sub (rest + 1, flags); + if (rest == NULL) + { + /* It is an illegal expression. */ +#ifndef __GNUC__ + free (onealt); +#endif + return glob (pattern, flags & ~GLOB_BRACE, errfunc, pglob); + } + } + /* Please note that we now can be sure the brace expression + is well-formed. */ + rest_len = strlen (++rest) + 1; + + /* We have a brace expression. BEGIN points to the opening {, + NEXT points past the terminator of the first element, and END + points past the final }. We will accumulate result names from + recursive runs for each brace alternative in the buffer using + GLOB_APPEND. */ + + if (!(flags & GLOB_APPEND)) + { + /* This call is to set a new vector, so clear out the + vector so we can append to it. */ + pglob->gl_pathc = 0; + pglob->gl_pathv = NULL; + } + firstc = pglob->gl_pathc; + + p = begin + 1; + while (1) + { + int result; + + /* Construct the new glob expression. */ +#ifdef HAVE_MEMPCPY + mempcpy (mempcpy (alt_start, p, next - p), rest, rest_len); +#else + memcpy (alt_start, p, next - p); + memcpy (&alt_start[next - p], rest, rest_len); +#endif + + result = glob (onealt, + ((flags & ~(GLOB_NOCHECK | GLOB_NOMAGIC)) + | GLOB_APPEND), errfunc, pglob); + + /* If we got an error, return it. */ + if (result && result != GLOB_NOMATCH) + { +#ifndef __GNUC__ + free (onealt); +#endif + if (!(flags & GLOB_APPEND)) + { + globfree (pglob); + pglob->gl_pathc = 0; + } + return result; + } + + if (*next == '}') + /* We saw the last entry. */ + break; + + p = next + 1; + next = next_brace_sub (p, flags); + assert (next != NULL); + } + +#ifndef __GNUC__ + free (onealt); +#endif + + if (pglob->gl_pathc != firstc) + /* We found some entries. */ + return 0; + else if (!(flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) + return GLOB_NOMATCH; + } + } + + /* Find the filename. */ + filename = strrchr (pattern, '/'); +#if defined __MSDOS__ || defined WINDOWS32 + /* The case of "d:pattern". Since `:' is not allowed in + file names, we can safely assume that wherever it + happens in pattern, it signals the filename part. This + is so we could some day support patterns like "[a-z]:foo". */ + if (filename == NULL) + filename = strchr (pattern, ':'); +#endif /* __MSDOS__ || WINDOWS32 */ + if (filename == NULL) + { + /* This can mean two things: a simple name or "~name". The latter + case is nothing but a notation for a directory. */ + if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && pattern[0] == '~') + { + dirname = pattern; + dirlen = strlen (pattern); + + /* Set FILENAME to NULL as a special flag. This is ugly but + other solutions would require much more code. We test for + this special case below. */ + filename = NULL; + } + else + { + filename = pattern; +#ifdef _AMIGA + dirname = ""; +#else + dirname = "."; +#endif + dirlen = 0; + } + } + else if (filename == pattern) + { + /* "/pattern". */ + dirname = "/"; + dirlen = 1; + ++filename; + } + else + { + char *newp; + dirlen = filename - pattern; +#if defined __MSDOS__ || defined WINDOWS32 + if (*filename == ':' + || (filename > pattern + 1 && filename[-1] == ':')) + { + char *drive_spec; + + ++dirlen; + drive_spec = (char *) __alloca (dirlen + 1); +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (drive_spec, pattern, dirlen)) = '\0'; +#else + memcpy (drive_spec, pattern, dirlen); + drive_spec[dirlen] = '\0'; +#endif + /* For now, disallow wildcards in the drive spec, to + prevent infinite recursion in glob. */ + if (__glob_pattern_p (drive_spec, !(flags & GLOB_NOESCAPE))) + return GLOB_NOMATCH; + /* If this is "d:pattern", we need to copy `:' to DIRNAME + as well. If it's "d:/pattern", don't remove the slash + from "d:/", since "d:" and "d:/" are not the same.*/ + } +#endif + newp = (char *) __alloca (dirlen + 1); +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (newp, pattern, dirlen)) = '\0'; +#else + memcpy (newp, pattern, dirlen); + newp[dirlen] = '\0'; +#endif + dirname = newp; + ++filename; + + if (filename[0] == '\0' +#if defined __MSDOS__ || defined WINDOWS32 + && dirname[dirlen - 1] != ':' + && (dirlen < 3 || dirname[dirlen - 2] != ':' + || dirname[dirlen - 1] != '/') +#endif + && dirlen > 1) + /* "pattern/". Expand "pattern", appending slashes. */ + { + int val = glob (dirname, flags | GLOB_MARK, errfunc, pglob); + if (val == 0) + pglob->gl_flags = ((pglob->gl_flags & ~GLOB_MARK) + | (flags & GLOB_MARK)); + return val; + } + } + + if (!(flags & GLOB_APPEND)) + { + pglob->gl_pathc = 0; + if (!(flags & GLOB_DOOFFS)) + pglob->gl_pathv = NULL; + else + { + size_t i; + pglob->gl_pathv = (char **) malloc ((pglob->gl_offs + 1) + * sizeof (char *)); + if (pglob->gl_pathv == NULL) + return GLOB_NOSPACE; + + for (i = 0; i <= pglob->gl_offs; ++i) + pglob->gl_pathv[i] = NULL; + } + } + + oldcount = pglob->gl_pathc + pglob->gl_offs; + +#ifndef VMS + if ((flags & (GLOB_TILDE|GLOB_TILDE_CHECK)) && dirname[0] == '~') + { + if (dirname[1] == '\0' || dirname[1] == '/') + { + /* Look up home directory. */ + const char *home_dir = getenv ("HOME"); +# ifdef _AMIGA + if (home_dir == NULL || home_dir[0] == '\0') + home_dir = "SYS:"; +# else +# ifdef WINDOWS32 + if (home_dir == NULL || home_dir[0] == '\0') + home_dir = "c:/users/default"; /* poor default */ +# else + if (home_dir == NULL || home_dir[0] == '\0') + { + int success; + char *name; +# if defined HAVE_GETLOGIN_R || defined _LIBC + size_t buflen = sysconf (_SC_LOGIN_NAME_MAX) + 1; + + if (buflen == 0) + /* `sysconf' does not support _SC_LOGIN_NAME_MAX. Try + a moderate value. */ + buflen = 20; + name = (char *) __alloca (buflen); + + success = getlogin_r (name, buflen) == 0; +# else + success = (name = getlogin ()) != NULL; +# endif + if (success) + { + struct passwd *p; +# if defined HAVE_GETPWNAM_R || defined _LIBC + long int pwbuflen = sysconf (_SC_GETPW_R_SIZE_MAX); + char *pwtmpbuf; + struct passwd pwbuf; + int save = errno; + +# ifndef _LIBC + if (pwbuflen == -1) + /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. + Try a moderate value. */ + pwbuflen = 1024; +# endif + pwtmpbuf = (char *) __alloca (pwbuflen); + + while (getpwnam_r (name, &pwbuf, pwtmpbuf, pwbuflen, &p) + != 0) + { + if (errno != ERANGE) + { + p = NULL; + break; + } +# ifdef _LIBC + pwtmpbuf = extend_alloca (pwtmpbuf, pwbuflen, + 2 * pwbuflen); +# else + pwbuflen *= 2; + pwtmpbuf = (char *) __alloca (pwbuflen); +# endif + __set_errno (save); + } +# else + p = getpwnam (name); +# endif + if (p != NULL) + home_dir = p->pw_dir; + } + } + if (home_dir == NULL || home_dir[0] == '\0') + { + if (flags & GLOB_TILDE_CHECK) + return GLOB_NOMATCH; + else + home_dir = "~"; /* No luck. */ + } +# endif /* WINDOWS32 */ +# endif + /* Now construct the full directory. */ + if (dirname[1] == '\0') + dirname = home_dir; + else + { + char *newp; + size_t home_len = strlen (home_dir); + newp = (char *) __alloca (home_len + dirlen); +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (newp, home_dir, home_len), + &dirname[1], dirlen); +# else + memcpy (newp, home_dir, home_len); + memcpy (&newp[home_len], &dirname[1], dirlen); +# endif + dirname = newp; + } + } +# if !defined _AMIGA && !defined WINDOWS32 + else + { + char *end_name = strchr (dirname, '/'); + const char *user_name; + const char *home_dir; + + if (end_name == NULL) + user_name = dirname + 1; + else + { + char *newp; + newp = (char *) __alloca (end_name - dirname); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (newp, dirname + 1, end_name - dirname)) + = '\0'; +# else + memcpy (newp, dirname + 1, end_name - dirname); + newp[end_name - dirname - 1] = '\0'; +# endif + user_name = newp; + } + + /* Look up specific user's home directory. */ + { + struct passwd *p; +# if defined HAVE_GETPWNAM_R || defined _LIBC + long int buflen = sysconf (_SC_GETPW_R_SIZE_MAX); + char *pwtmpbuf; + struct passwd pwbuf; + int save = errno; + +# ifndef _LIBC + if (buflen == -1) + /* `sysconf' does not support _SC_GETPW_R_SIZE_MAX. Try a + moderate value. */ + buflen = 1024; +# endif + pwtmpbuf = (char *) __alloca (buflen); + + while (getpwnam_r (user_name, &pwbuf, pwtmpbuf, buflen, &p) != 0) + { + if (errno != ERANGE) + { + p = NULL; + break; + } +# ifdef _LIBC + pwtmpbuf = extend_alloca (pwtmpbuf, buflen, 2 * buflen); +# else + buflen *= 2; + pwtmpbuf = __alloca (buflen); +# endif + __set_errno (save); + } +# else + p = getpwnam (user_name); +# endif + if (p != NULL) + home_dir = p->pw_dir; + else + home_dir = NULL; + } + /* If we found a home directory use this. */ + if (home_dir != NULL) + { + char *newp; + size_t home_len = strlen (home_dir); + size_t rest_len = end_name == NULL ? 0 : strlen (end_name); + newp = (char *) __alloca (home_len + rest_len + 1); +# ifdef HAVE_MEMPCPY + *((char *) mempcpy (mempcpy (newp, home_dir, home_len), + end_name, rest_len)) = '\0'; +# else + memcpy (newp, home_dir, home_len); + memcpy (&newp[home_len], end_name, rest_len); + newp[home_len + rest_len] = '\0'; +# endif + dirname = newp; + } + else + if (flags & GLOB_TILDE_CHECK) + /* We have to regard it as an error if we cannot find the + home directory. */ + return GLOB_NOMATCH; + } +# endif /* Not Amiga && not WINDOWS32. */ + } +#endif /* Not VMS. */ + + /* Now test whether we looked for "~" or "~NAME". In this case we + can give the answer now. */ + if (filename == NULL) + { + struct stat st; +#ifdef HAVE_STAT64 + struct stat64 st64; +#endif + + /* Return the directory if we don't check for error or if it exists. */ + if ((flags & GLOB_NOCHECK) + || (((flags & GLOB_ALTDIRFUNC) + ? ((*pglob->gl_stat) (dirname, &st) == 0 + && S_ISDIR (st.st_mode)) + : (__stat64 (dirname, &st64) == 0 && S_ISDIR (st64.st_mode))))) + { + int newcount = pglob->gl_pathc + pglob->gl_offs; + char **new_gl_pathv; + + new_gl_pathv + = (char **) realloc (pglob->gl_pathv, + (newcount + 1 + 1) * sizeof (char *)); + if (new_gl_pathv == NULL) + { + nospace: + free (pglob->gl_pathv); + pglob->gl_pathv = NULL; + pglob->gl_pathc = 0; + return GLOB_NOSPACE; + } + pglob->gl_pathv = new_gl_pathv; + +#if defined HAVE_STRDUP || defined _LIBC + pglob->gl_pathv[newcount] = strdup (dirname); +#else + { + size_t len = strlen (dirname) + 1; + char *dircopy = (char *) malloc (len); + if (dircopy != NULL) + pglob->gl_pathv[newcount] = memcpy (dircopy, dirname, len); + } +#endif + if (pglob->gl_pathv[newcount] == NULL) + goto nospace; + pglob->gl_pathv[++newcount] = NULL; + ++pglob->gl_pathc; + pglob->gl_flags = flags; + + return 0; + } + + /* Not found. */ + return GLOB_NOMATCH; + } + + if (__glob_pattern_p (dirname, !(flags & GLOB_NOESCAPE))) + { + /* The directory name contains metacharacters, so we + have to glob for the directory, and then glob for + the pattern in each directory found. */ + glob_t dirs; + size_t i; + + if ((flags & GLOB_ALTDIRFUNC) != 0) + { + /* Use the alternative access functions also in the recursive + call. */ + dirs.gl_opendir = pglob->gl_opendir; + dirs.gl_readdir = pglob->gl_readdir; + dirs.gl_closedir = pglob->gl_closedir; + dirs.gl_stat = pglob->gl_stat; + dirs.gl_lstat = pglob->gl_lstat; + } + + status = glob (dirname, + ((flags & (GLOB_ERR | GLOB_NOCHECK | GLOB_NOESCAPE + | GLOB_ALTDIRFUNC)) + | GLOB_NOSORT | GLOB_ONLYDIR), + errfunc, &dirs); + if (status != 0) + return status; + + /* We have successfully globbed the preceding directory name. + For each name we found, call glob_in_dir on it and FILENAME, + appending the results to PGLOB. */ + for (i = 0; i < dirs.gl_pathc; ++i) + { + int old_pathc; + +#ifdef SHELL + { + /* Make globbing interruptible in the bash shell. */ + extern int interrupt_state; + + if (interrupt_state) + { + globfree (&dirs); + return GLOB_ABORTED; + } + } +#endif /* SHELL. */ + + old_pathc = pglob->gl_pathc; + status = glob_in_dir (filename, dirs.gl_pathv[i], + ((flags | GLOB_APPEND) + & ~(GLOB_NOCHECK | GLOB_NOMAGIC)), + errfunc, pglob); + if (status == GLOB_NOMATCH) + /* No matches in this directory. Try the next. */ + continue; + + if (status != 0) + { + globfree (&dirs); + globfree (pglob); + pglob->gl_pathc = 0; + return status; + } + + /* Stick the directory on the front of each name. */ + if (prefix_array (dirs.gl_pathv[i], + &pglob->gl_pathv[old_pathc + pglob->gl_offs], + pglob->gl_pathc - old_pathc)) + { + globfree (&dirs); + globfree (pglob); + pglob->gl_pathc = 0; + return GLOB_NOSPACE; + } + } + + flags |= GLOB_MAGCHAR; + + /* We have ignored the GLOB_NOCHECK flag in the `glob_in_dir' calls. + But if we have not found any matching entry and the GLOB_NOCHECK + flag was set we must return the input pattern itself. */ + if (pglob->gl_pathc + pglob->gl_offs == oldcount) + { + /* No matches. */ + if (flags & GLOB_NOCHECK) + { + int newcount = pglob->gl_pathc + pglob->gl_offs; + char **new_gl_pathv; + + new_gl_pathv = (char **) realloc (pglob->gl_pathv, + (newcount + 2) + * sizeof (char *)); + if (new_gl_pathv == NULL) + { + globfree (&dirs); + return GLOB_NOSPACE; + } + pglob->gl_pathv = new_gl_pathv; + + pglob->gl_pathv[newcount] = __strdup (pattern); + if (pglob->gl_pathv[newcount] == NULL) + { + globfree (&dirs); + globfree (pglob); + pglob->gl_pathc = 0; + return GLOB_NOSPACE; + } + + ++pglob->gl_pathc; + ++newcount; + + pglob->gl_pathv[newcount] = NULL; + pglob->gl_flags = flags; + } + else + { + globfree (&dirs); + return GLOB_NOMATCH; + } + } + + globfree (&dirs); + } + else + { + int old_pathc = pglob->gl_pathc; + + status = glob_in_dir (filename, dirname, flags, errfunc, pglob); + if (status != 0) + return status; + + if (dirlen > 0) + { + /* Stick the directory on the front of each name. */ + if (prefix_array (dirname, + &pglob->gl_pathv[old_pathc + pglob->gl_offs], + pglob->gl_pathc - old_pathc)) + { + globfree (pglob); + pglob->gl_pathc = 0; + return GLOB_NOSPACE; + } + } + } + + if (flags & GLOB_MARK) + { + /* Append slashes to directory names. */ + size_t i; + struct stat st; +#ifdef HAVE_STAT64 + struct stat64 st64; +#endif + + for (i = oldcount; i < pglob->gl_pathc + pglob->gl_offs; ++i) + if (((flags & GLOB_ALTDIRFUNC) + ? ((*pglob->gl_stat) (pglob->gl_pathv[i], &st) == 0 + && S_ISDIR (st.st_mode)) + : (__stat64 (pglob->gl_pathv[i], &st64) == 0 + && S_ISDIR (st64.st_mode)))) + { + size_t len = strlen (pglob->gl_pathv[i]) + 2; + char *new = realloc (pglob->gl_pathv[i], len); + if (new == NULL) + { + globfree (pglob); + pglob->gl_pathc = 0; + return GLOB_NOSPACE; + } + strcpy (&new[len - 2], "/"); + pglob->gl_pathv[i] = new; + } + } + + if (!(flags & GLOB_NOSORT)) + { + /* Sort the vector. */ + qsort ((__ptr_t) &pglob->gl_pathv[oldcount], + pglob->gl_pathc + pglob->gl_offs - oldcount, + sizeof (char *), collated_compare); + } + + return 0; +} +#if defined _LIBC && !defined glob +libc_hidden_def (glob) +#endif + + +#if !defined _LIBC || !defined GLOB_ONLY_P + +/* Free storage allocated in PGLOB by a previous `glob' call. */ +void +globfree (pglob) + register glob_t *pglob; +{ + if (pglob->gl_pathv != NULL) + { + size_t i; + for (i = 0; i < pglob->gl_pathc; ++i) + if (pglob->gl_pathv[pglob->gl_offs + i] != NULL) + free ((__ptr_t) pglob->gl_pathv[pglob->gl_offs + i]); + free ((__ptr_t) pglob->gl_pathv); + pglob->gl_pathv = NULL; + } +} +#if defined _LIBC && !defined globfree +libc_hidden_def (globfree) +#endif + + +/* Do a collated comparison of A and B. */ +static int +collated_compare (a, b) + const __ptr_t a; + const __ptr_t b; +{ + const char *const s1 = *(const char *const * const) a; + const char *const s2 = *(const char *const * const) b; + + if (s1 == s2) + return 0; + if (s1 == NULL) + return 1; + if (s2 == NULL) + return -1; + return strcoll (s1, s2); +} + + +/* Prepend DIRNAME to each of N members of ARRAY, replacing ARRAY's + elements in place. Return nonzero if out of memory, zero if successful. + A slash is inserted between DIRNAME and each elt of ARRAY, + unless DIRNAME is just "/". Each old element of ARRAY is freed. */ +static int +prefix_array (dirname, array, n) + const char *dirname; + char **array; + size_t n; +{ + register size_t i; + size_t dirlen = strlen (dirname); +#if defined __MSDOS__ || defined WINDOWS32 + int sep_char = '/'; +# define DIRSEP_CHAR sep_char +#else +# define DIRSEP_CHAR '/' +#endif + + if (dirlen == 1 && dirname[0] == '/') + /* DIRNAME is just "/", so normal prepending would get us "//foo". + We want "/foo" instead, so don't prepend any chars from DIRNAME. */ + dirlen = 0; +#if defined __MSDOS__ || defined WINDOWS32 + else if (dirlen > 1) + { + if (dirname[dirlen - 1] == '/' && dirname[dirlen - 2] == ':') + /* DIRNAME is "d:/". Don't prepend the slash from DIRNAME. */ + --dirlen; + else if (dirname[dirlen - 1] == ':') + { + /* DIRNAME is "d:". Use `:' instead of `/'. */ + --dirlen; + sep_char = ':'; + } + } +#endif + + for (i = 0; i < n; ++i) + { + size_t eltlen = strlen (array[i]) + 1; + char *new = (char *) malloc (dirlen + 1 + eltlen); + if (new == NULL) + { + while (i > 0) + free ((__ptr_t) array[--i]); + return 1; + } + +#ifdef HAVE_MEMPCPY + { + char *endp = (char *) mempcpy (new, dirname, dirlen); + *endp++ = DIRSEP_CHAR; + mempcpy (endp, array[i], eltlen); + } +#else + memcpy (new, dirname, dirlen); + new[dirlen] = DIRSEP_CHAR; + memcpy (&new[dirlen + 1], array[i], eltlen); +#endif + free ((__ptr_t) array[i]); + array[i] = new; + } + + return 0; +} + + +/* We must not compile this function twice. */ +#if !defined _LIBC || !defined NO_GLOB_PATTERN_P +/* Return nonzero if PATTERN contains any metacharacters. + Metacharacters can be quoted with backslashes if QUOTE is nonzero. */ +int +__glob_pattern_p (pattern, quote) + const char *pattern; + int quote; +{ + register const char *p; + int open = 0; + + for (p = pattern; *p != '\0'; ++p) + switch (*p) + { + case '?': + case '*': + return 1; + + case '\\': + if (quote && p[1] != '\0') + ++p; + break; + + case '[': + open = 1; + break; + + case ']': + if (open) + return 1; + break; + } + + return 0; +} +# ifdef _LIBC +weak_alias (__glob_pattern_p, glob_pattern_p) +# endif +#endif + +#endif /* !GLOB_ONLY_P */ + + +/* We put this in a separate function mainly to allow the memory + allocated with alloca to be recycled. */ +#if !defined _LIBC || !defined GLOB_ONLY_P +static int +link_exists_p (const char *dir, size_t dirlen, const char *fname, + glob_t *pglob, int flags) +{ + size_t fnamelen = strlen (fname); + char *fullname = (char *) __alloca (dirlen + 1 + fnamelen + 1); + struct stat st; + struct stat64 st64; + +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (mempcpy (fullname, dir, dirlen), "/", 1), + fname, fnamelen + 1); +# else + memcpy (fullname, dir, dirlen); + fullname[dirlen] = '/'; + memcpy (&fullname[dirlen + 1], fname, fnamelen + 1); +# endif + + return (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (fullname, &st) + : __stat64 (fullname, &st64)) == 0); +} +#endif + + +/* Like `glob', but PATTERN is a final pathname component, + and matches are searched for in DIRECTORY. + The GLOB_NOSORT bit in FLAGS is ignored. No sorting is ever done. + The GLOB_APPEND flag is assumed to be set (always appends). */ +static int +glob_in_dir (pattern, directory, flags, errfunc, pglob) + const char *pattern; + const char *directory; + int flags; + int (*errfunc) (const char *, int); + glob_t *pglob; +{ + size_t dirlen = strlen (directory); + __ptr_t stream = NULL; + struct globlink + { + struct globlink *next; + char *name; + }; + struct globlink *names = NULL; + size_t nfound; + int meta; + int save; + + meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)); + if (meta == 0 && (flags & (GLOB_NOCHECK|GLOB_NOMAGIC))) + { + /* We need not do any tests. The PATTERN contains no meta + characters and we must not return an error therefore the + result will always contain exactly one name. */ + flags |= GLOB_NOCHECK; + nfound = 0; + } + else if (meta == 0 && + ((flags & GLOB_NOESCAPE) || strchr (pattern, '\\') == NULL)) + { + /* Since we use the normal file functions we can also use stat() + to verify the file is there. */ + struct stat st; +# ifdef HAVE_STAT64 + struct stat64 st64; +# endif + size_t patlen = strlen (pattern); + char *fullname = (char *) __alloca (dirlen + 1 + patlen + 1); + +# ifdef HAVE_MEMPCPY + mempcpy (mempcpy (mempcpy (fullname, directory, dirlen), + "/", 1), + pattern, patlen + 1); +# else + memcpy (fullname, directory, dirlen); + fullname[dirlen] = '/'; + memcpy (&fullname[dirlen + 1], pattern, patlen + 1); +# endif + if (((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_stat) (fullname, &st) + : __stat64 (fullname, &st64)) == 0) + /* We found this file to be existing. Now tell the rest + of the function to copy this name into the result. */ + flags |= GLOB_NOCHECK; + + nfound = 0; + } + else + { + if (pattern[0] == '\0') + { + /* This is a special case for matching directories like in + "*a/". */ + names = (struct globlink *) __alloca (sizeof (struct globlink)); + names->name = (char *) malloc (1); + if (names->name == NULL) + goto memory_error; + names->name[0] = '\0'; + names->next = NULL; + nfound = 1; + meta = 0; + } + else + { + stream = ((flags & GLOB_ALTDIRFUNC) + ? (*pglob->gl_opendir) (directory) + : (__ptr_t) opendir (directory)); + if (stream == NULL) + { + if (errno != ENOTDIR + && ((errfunc != NULL && (*errfunc) (directory, errno)) + || (flags & GLOB_ERR))) + return GLOB_ABORTED; + nfound = 0; + meta = 0; + } + else + { + int fnm_flags = ((!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) + | ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0) +#if defined _AMIGA || defined VMS + | FNM_CASEFOLD +#endif + ); + nfound = 0; + flags |= GLOB_MAGCHAR; + + while (1) + { + const char *name; + size_t len; +#if defined HAVE_DIRENT64 && !defined COMPILE_GLOB64 + struct dirent64 *d; + union + { + struct dirent64 d64; + char room [offsetof (struct dirent64, d_name[0]) + + NAME_MAX + 1]; + } + d64buf; + + if (flags & GLOB_ALTDIRFUNC) + { + struct dirent *d32 = (*pglob->gl_readdir) (stream); + if (d32 != NULL) + { + CONVERT_DIRENT_DIRENT64 (&d64buf.d64, d32); + d = &d64buf.d64; + } + else + d = NULL; + } + else + d = __readdir64 ((DIR *) stream); +#else + struct dirent *d = ((flags & GLOB_ALTDIRFUNC) + ? ((struct dirent *) + (*pglob->gl_readdir) (stream)) + : __readdir ((DIR *) stream)); +#endif + if (d == NULL) + break; + if (! REAL_DIR_ENTRY (d)) + continue; + +#ifdef HAVE_D_TYPE + /* If we shall match only directories use the information + provided by the dirent call if possible. */ + if ((flags & GLOB_ONLYDIR) + && d->d_type != DT_UNKNOWN + && d->d_type != DT_DIR + && d->d_type != DT_LNK) + continue; +#endif + + name = d->d_name; + + if (fnmatch (pattern, name, fnm_flags) == 0) + { + /* If the file we found is a symlink we have to + make sure the target file exists. */ + if ( +#ifdef HAVE_D_TYPE + (d->d_type != DT_UNKNOWN && d->d_type != DT_LNK) || +#endif + link_exists_p (directory, dirlen, name, pglob, + flags)) + { + struct globlink *new = (struct globlink *) + __alloca (sizeof (struct globlink)); + len = NAMLEN (d); + new->name = (char *) malloc (len + 1); + if (new->name == NULL) + goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy ((__ptr_t) new->name, name, len)) + = '\0'; +#else + memcpy ((__ptr_t) new->name, name, len); + new->name[len] = '\0'; +#endif + new->next = names; + names = new; + ++nfound; + } + } + } + } + } + } + + if (nfound == 0 && (flags & GLOB_NOCHECK)) + { + size_t len = strlen (pattern); + nfound = 1; + names = (struct globlink *) __alloca (sizeof (struct globlink)); + names->next = NULL; + names->name = (char *) malloc (len + 1); + if (names->name == NULL) + goto memory_error; +#ifdef HAVE_MEMPCPY + *((char *) mempcpy (names->name, pattern, len)) = '\0'; +#else + memcpy (names->name, pattern, len); + names->name[len] = '\0'; +#endif + } + + if (nfound != 0) + { + char **new_gl_pathv; + + new_gl_pathv + = (char **) realloc (pglob->gl_pathv, + (pglob->gl_pathc + pglob->gl_offs + nfound + 1) + * sizeof (char *)); + if (new_gl_pathv == NULL) + goto memory_error; + pglob->gl_pathv = new_gl_pathv; + + for (; names != NULL; names = names->next) + pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc++] = names->name; + pglob->gl_pathv[pglob->gl_offs + pglob->gl_pathc] = NULL; + + pglob->gl_flags = flags; + } + + save = errno; + if (stream != NULL) + { + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); + else + closedir ((DIR *) stream); + } + __set_errno (save); + + return nfound == 0 ? GLOB_NOMATCH : 0; + + memory_error: + { + int save = errno; + if (flags & GLOB_ALTDIRFUNC) + (*pglob->gl_closedir) (stream); + else + closedir ((DIR *) stream); + __set_errno (save); + } + while (names != NULL) + { + if (names->name != NULL) + free ((__ptr_t) names->name); + names = names->next; + } + return GLOB_NOSPACE; +} + +#endif /* Not ELIDE_CODE. */ diff --git a/posix/glob64.c b/posix/glob64.c new file mode 100644 index 0000000000..2bfab74074 --- /dev/null +++ b/posix/glob64.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1998,99,2002,2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stddef.h> +#include <sys/types.h> +#include <glob.h> +#include <errno.h> + +/* Do glob searching for PATTERN, placing results in PGLOB. + The bits defined above may be set in FLAGS. + If a directory cannot be opened or read and ERRFUNC is not nil, + it is called with the pathname that caused the error, and the + `errno' value from the failing call; if it returns non-zero + `glob' returns GLOB_ABORTED; if it returns zero, the error is ignored. + If memory cannot be allocated for PGLOB, GLOB_NOSPACE is returned. + Otherwise, `glob' returns zero. */ +int +glob64 (const char *pattern, int flags, + int (*errfunc) (const char *, int), glob64_t *pglob) +{ + if (pattern == NULL || pglob == NULL || (flags & ~__GLOB_FLAGS) != 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return GLOB_NOSYS; +} +libc_hidden_def (glob64) + +void +globfree64 (glob64_t *pglob) +{ +} +libc_hidden_def (globfree64) + +stub_warning (glob64) +#include <stub-tag.h> diff --git a/posix/group_member.c b/posix/group_member.c new file mode 100644 index 0000000000..7bd9c46ba2 --- /dev/null +++ b/posix/group_member.c @@ -0,0 +1,50 @@ +/* `group_member' -- test if process is in a given group. + Copyright (C) 1995, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <limits.h> + +#ifndef NGROUPS_MAX +#define NGROUPS_MAX 16 /* First guess. */ +#endif + +int +__group_member (gid) + gid_t gid; +{ + int n, size; + gid_t *groups; + + size = NGROUPS_MAX; + do + { + groups = __alloca (size * sizeof *groups); + n = __getgroups (size, groups); + size *= 2; + } while (n == size / 2); + + while (n >= 0) + if (groups[n--] == gid) + return 1; + + return 0; +} +weak_alias (__group_member, group_member) diff --git a/posix/init-posix.c b/posix/init-posix.c new file mode 100644 index 0000000000..0c2b717e6d --- /dev/null +++ b/posix/init-posix.c @@ -0,0 +1 @@ +/* Nothing to do. */ diff --git a/posix/nanosleep.c b/posix/nanosleep.c new file mode 100644 index 0000000000..7a2138b6f1 --- /dev/null +++ b/posix/nanosleep.c @@ -0,0 +1,36 @@ +/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <time.h> + + +/* Pause execution for a number of nanoseconds. */ +int +__libc_nanosleep (const struct timespec *requested_time, + struct timespec *remaining) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (nanosleep) + +weak_alias (__libc_nanosleep, __nanosleep) +libc_hidden_def (__nanosleep) +weak_alias (__libc_nanosleep, nanosleep) +#include <stub-tag.h> diff --git a/posix/pathconf.c b/posix/pathconf.c new file mode 100644 index 0000000000..6ac5d31902 --- /dev/null +++ b/posix/pathconf.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stddef.h> +#include <unistd.h> + + +/* Get file-specific information about PATH. */ +long int +__pathconf (path, name) + const char *path; + int name; +{ + if (path == NULL) + { + __set_errno (EINVAL); + return -1; + } + return __fpathconf (0, name); +} + +weak_alias (__pathconf, pathconf) + +stub_warning (pathconf) +#include <stub-tag.h> diff --git a/posix/pause.c b/posix/pause.c new file mode 100644 index 0000000000..2e34b436f1 --- /dev/null +++ b/posix/pause.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + + +/* Suspend the process until a signal arrives. + This is supposed to always return -1 and set errno to EINTR, + but rules were meant to be broken. */ +int +pause () +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (pause) +#include <stub-tag.h> diff --git a/posix/posix_madvise.c b/posix/posix_madvise.c new file mode 100644 index 0000000000..6f8d60f55f --- /dev/null +++ b/posix/posix_madvise.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1994, 1995, 1996, 1997, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <sys/mman.h> +#include <errno.h> + +/* Advise the system about particular usage patterns the program follows + for the region starting at ADDR and extending LEN bytes. */ + +int +posix_madvise (__ptr_t addr, size_t len, int advice) +{ + return ENOSYS; +} +stub_warning (posix_madvise) +#include <stub-tag.h> diff --git a/posix/pread.c b/posix/pread.c new file mode 100644 index 0000000000..5c79dd526d --- /dev/null +++ b/posix/pread.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Read NBYTES into BUF from FD at the given position OFFSET without + changing the file pointer. Return the number read or -1. */ +ssize_t +__libc_pread (int fd, void *buf, size_t nbytes, off_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +strong_alias (__libc_pread, __pread) +weak_alias (__libc_pread, pread) +stub_warning (pread) +#include <stub-tag.h> diff --git a/posix/pread64.c b/posix/pread64.c new file mode 100644 index 0000000000..68316579c6 --- /dev/null +++ b/posix/pread64.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Read NBYTES into BUF from FD at the given position OFFSET without + changing the file pointer. Return the number read or -1. */ +ssize_t +__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +strong_alias (__libc_pread64, __pread64) +weak_alias (__libc_pread64, pread64) +stub_warning (pread64) +#include <stub-tag.h> diff --git a/posix/pwrite.c b/posix/pwrite.c new file mode 100644 index 0000000000..ec35ecea9c --- /dev/null +++ b/posix/pwrite.c @@ -0,0 +1,46 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Write NBYTES of BUF to FD at given position OFFSET without changing + the file position. Return the number written, or -1. */ +ssize_t +__libc_pwrite (int fd, const void *buf, size_t nbytes, off_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +strong_alias (__libc_pwrite, __pwrite) +weak_alias (__libc_pwrite, pwrite) +stub_warning (pwrite) +#include <stub-tag.h> diff --git a/posix/pwrite64.c b/posix/pwrite64.c new file mode 100644 index 0000000000..dd14aa0bd7 --- /dev/null +++ b/posix/pwrite64.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1991,1995,1996,1997,1999,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Write NBYTES of BUF to FD at given position OFFSET without changing + the file position. Return the number written, or -1. */ +ssize_t +__libc_pwrite64 (int fd, const void *buf, size_t nbytes, off64_t offset) +{ + if (nbytes == 0) + return 0; + if (fd < 0) + { + __set_errno (EBADF); + return -1; + } + if (buf == NULL || offset < 0) + { + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} +strong_alias (__libc_pwrite64, __pwrite64) +libc_hidden_def (__pwrite64) +weak_alias (__libc_pwrite64, pwrite64) +stub_warning (pwrite64) +#include <stub-tag.h> diff --git a/posix/sched_getaffinity.c b/posix/sched_getaffinity.c new file mode 100644 index 0000000000..b2e452f879 --- /dev/null +++ b/posix/sched_getaffinity.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> + + +/* Retrieve the CPU affinity mask for a particular process. */ +int +sched_getaffinity (pid, cpusetsize, cpuset) + pid_t pid; + size_t cpusetsize; + cpu_set_t *cpuset; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_getaffinity) +#include <stub-tag.h> diff --git a/posix/sched_getp.c b/posix/sched_getp.c new file mode 100644 index 0000000000..1ca77893f4 --- /dev/null +++ b/posix/sched_getp.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/types.h> +#include <sched.h> + + +/* Retrieve scheduling parameters for a particular process. */ +int +__sched_getparam (pid_t pid, struct sched_param *param) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_getparam) + +weak_alias (__sched_getparam, sched_getparam) +#include <stub-tag.h> diff --git a/posix/sched_gets.c b/posix/sched_gets.c new file mode 100644 index 0000000000..479b913f32 --- /dev/null +++ b/posix/sched_gets.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> + + +/* Retrieve scheduling algorithm for a particular purpose. */ +int +__sched_getscheduler (pid_t pid) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_getscheduler) + +weak_alias (__sched_getscheduler, sched_getscheduler) +#include <stub-tag.h> diff --git a/posix/sched_primax.c b/posix/sched_primax.c new file mode 100644 index 0000000000..4b3c1cbe67 --- /dev/null +++ b/posix/sched_primax.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> + + +/* Get maximum priority value for a scheduler. */ +int +__sched_get_priority_max (int algorithm) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_get_priority_max) + +weak_alias (__sched_get_priority_max, sched_get_priority_max) +#include <stub-tag.h> diff --git a/posix/sched_primin.c b/posix/sched_primin.c new file mode 100644 index 0000000000..813b8f63ca --- /dev/null +++ b/posix/sched_primin.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> + + +/* Get minimum priority value for a scheduler. */ +int +__sched_get_priority_min (int algorithm) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_get_priority_min) + +weak_alias (__sched_get_priority_min, sched_get_priority_min) +#include <stub-tag.h> diff --git a/posix/sched_rr_gi.c b/posix/sched_rr_gi.c new file mode 100644 index 0000000000..f8fec63617 --- /dev/null +++ b/posix/sched_rr_gi.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> + + +/* Get the SCHED_RR interval for the named process. */ +int +__sched_rr_get_interval (pid_t pid, struct timespec *t) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_rr_get_interval) + +weak_alias (__sched_rr_get_interval, sched_rr_get_interval) +#include <stub-tag.h> diff --git a/posix/sched_setaffinity.c b/posix/sched_setaffinity.c new file mode 100644 index 0000000000..652163db85 --- /dev/null +++ b/posix/sched_setaffinity.c @@ -0,0 +1,35 @@ +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/types.h> +#include <sched.h> + + +/* Retrieve the CPU affinity mask for a particular process. */ +int +sched_setaffinity (pid, cpusetsize, cpuset) + pid_t pid; + size_t cpusetsize; + const cpu_set_t *cpuset; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_setaffinity) +#include <stub-tag.h> diff --git a/posix/sched_setp.c b/posix/sched_setp.c new file mode 100644 index 0000000000..cc451fc131 --- /dev/null +++ b/posix/sched_setp.c @@ -0,0 +1,34 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/types.h> +#include <sched.h> + + +/* Set scheduling parameters for a process. */ +int +__sched_setparam (pid_t pid, const struct sched_param *param) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_setparam) + +weak_alias (__sched_setparam, sched_setparam) +#include <stub-tag.h> diff --git a/posix/sched_sets.c b/posix/sched_sets.c new file mode 100644 index 0000000000..631cac228b --- /dev/null +++ b/posix/sched_sets.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> +#include <sys/types.h> + + +/* Set scheduling algorithm and/or parameters for a process. */ +int +__sched_setscheduler (pid_t pid, int policy, const struct sched_param *param) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__sched_setscheduler) +stub_warning (sched_setscheduler) + +weak_alias (__sched_setscheduler, sched_setscheduler) +#include <stub-tag.h> diff --git a/posix/sched_yield.c b/posix/sched_yield.c new file mode 100644 index 0000000000..ce41ce9b6f --- /dev/null +++ b/posix/sched_yield.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sched.h> + + +/* Yield the processor. */ +int +__sched_yield (void) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (sched_yield) + +weak_alias (__sched_yield, sched_yield) +#include <stub-tag.h> diff --git a/posix/setgid.c b/posix/setgid.c new file mode 100644 index 0000000000..05c2cc6621 --- /dev/null +++ b/posix/setgid.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> + +/* Set the group ID of the calling process to GID. + If the calling process is the super-user, the real + and effective group IDs, and the saved set-group-ID to GID; + if not, the effective group ID is set to GID. */ +int +__setgid (gid) + gid_t gid; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (setgid) + +weak_alias (__setgid, setgid) +#include <stub-tag.h> diff --git a/posix/setlogin.c b/posix/setlogin.c new file mode 100644 index 0000000000..c16e29dd9e --- /dev/null +++ b/posix/setlogin.c @@ -0,0 +1,32 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Set the login name returned by `getlogin'. */ +int +setlogin (name) + const char *name; +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (setlogin) +#include <stub-tag.h> diff --git a/posix/setpgid.c b/posix/setpgid.c new file mode 100644 index 0000000000..cb2abf1159 --- /dev/null +++ b/posix/setpgid.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Set the process group ID of the process matching PID to PGID. + If PID is zero, the current process's process group ID is set. + If PGID is zero, the process ID of the process is used. */ +int +__setpgid (pid, pgid) + int pid; + int pgid; +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__setpgid) +stub_warning (setpgid) + +weak_alias (__setpgid, setpgid) +#include <stub-tag.h> diff --git a/posix/setpgrp.c b/posix/setpgrp.c new file mode 100644 index 0000000000..8ceb159341 --- /dev/null +++ b/posix/setpgrp.c @@ -0,0 +1,25 @@ +/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <unistd.h> + +int +setpgrp () +{ + return __setpgid (0, 0); +} diff --git a/posix/setresgid.c b/posix/setresgid.c new file mode 100644 index 0000000000..78e308c5d0 --- /dev/null +++ b/posix/setresgid.c @@ -0,0 +1,35 @@ +/* setresgid -- set effective group ID, real group ID, and saved-set group ID + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Set the effective group ID, real group ID, and saved-set group ID, + of the calling process to EGID, RGID, and SGID, respectively. */ +int +__setresgid (gid_t egid, gid_t rgid, gid_t sgid) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__setresgid) +stub_warning (setresgid) + +weak_alias (__setresgid, setresgid) +#include <stub-tag.h> diff --git a/posix/setresuid.c b/posix/setresuid.c new file mode 100644 index 0000000000..430b63b2fd --- /dev/null +++ b/posix/setresuid.c @@ -0,0 +1,35 @@ +/* setresuid -- set effective user ID, real user ID, and saved-set user ID + Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* Set the effective user ID, real user ID, and saved-set user ID, + of the calling process to EUID, RUID, and SUID, respectively. */ +int +__setresuid (uid_t euid, uid_t ruid, uid_t suid) +{ + __set_errno (ENOSYS); + return -1; +} +libc_hidden_def (__setresuid) +stub_warning (setresuid) + +weak_alias (__setresuid, setresuid) +#include <stub-tag.h> diff --git a/posix/setsid.c b/posix/setsid.c new file mode 100644 index 0000000000..6a6712b9bd --- /dev/null +++ b/posix/setsid.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + + +/* Create a new session with the calling process as its leader. + The process group IDs of the session and the calling process + are set to the process ID of the calling process, which is returned. */ +int +__setsid () +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (setsid) + +weak_alias (__setsid, setsid) +#include <stub-tag.h> diff --git a/posix/setuid.c b/posix/setuid.c new file mode 100644 index 0000000000..96c3e01cb9 --- /dev/null +++ b/posix/setuid.c @@ -0,0 +1,37 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> + +/* Set the user ID of the calling process to UID. + If the calling process is the super-user, the real + and effective user IDs, and the saved set-user-ID to UID; + if not, the effective user ID is set to UID. */ +int +__setuid (uid) + uid_t uid; +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (setuid) + +weak_alias (__setuid, setuid) +#include <stub-tag.h> diff --git a/posix/sleep.c b/posix/sleep.c new file mode 100644 index 0000000000..f9d2a6593f --- /dev/null +++ b/posix/sleep.c @@ -0,0 +1,41 @@ +/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <signal.h> +#include <time.h> +#include <unistd.h> +#include <errno.h> + +/* Make the process sleep for SECONDS seconds, or until a signal arrives + and is not ignored. The function returns the number of seconds less + than SECONDS which it actually slept (zero if it slept the full time). + If a signal handler does a `longjmp' or modifies the handling of the + SIGALRM signal while inside `sleep' call, the handling of the SIGALRM + signal afterwards is undefined. There is no return value to indicate + error, but if `sleep' returns SECONDS, it probably didn't work. */ +unsigned int +__sleep (seconds) + unsigned int seconds; +{ + __set_errno (ENOSYS); + return seconds; +} +weak_alias (__sleep, sleep) + +stub_warning (sleep) +#include <stub-tag.h> diff --git a/posix/spawni.c b/posix/spawni.c new file mode 100644 index 0000000000..c7d5f59ffc --- /dev/null +++ b/posix/spawni.c @@ -0,0 +1,46 @@ +/* Guts of POSIX spawn interface. Stub version. + Copyright (C) 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <spawn.h> +#include "spawn_int.h" + + +/* The Unix standard contains a long explanation of the way to signal + an error after the fork() was successful. Since no new wait status + was wanted there is no way to signal an error using one of the + available methods. The committee chose to signal an error by a + normal program exit with the exit code 127. */ +#define SPAWN_ERROR 127 + + +/* Spawn a new process executing PATH with the attributes describes in *ATTRP. + Before running the process perform the actions described in FILE-ACTIONS. */ +int +__spawni (pid_t *pid, const char *file, + const posix_spawn_file_actions_t *file_actions, + const posix_spawnattr_t *attrp, char *const argv[], + char *const envp[], int use_path) +{ + __set_errno (ENOSYS); + return -1; +} + +stub_warning (__spawni) +#include <stub-tag.h> diff --git a/posix/sysconf.c b/posix/sysconf.c new file mode 100644 index 0000000000..f22685cb29 --- /dev/null +++ b/posix/sysconf.c @@ -0,0 +1,273 @@ +/* Copyright (C) 1991,1993,1995-1997,2001,2002,2003 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <grp.h> +#include <pwd.h> +#include <stdio.h> +#include <unistd.h> +#include <time.h> +#include <limits.h> +#include <sys/param.h> +#include <sys/sysinfo.h> + + +/* Get the value of the system variable NAME. */ +long int +__sysconf (name) + int name; +{ + switch (name) + { + default: + __set_errno (EINVAL); + return -1; + + case _SC_TZNAME_MAX: + return MAX (__tzname_max (), _POSIX_TZNAME_MAX); + + case _SC_CHARCLASS_NAME_MAX: +#ifdef CHARCLASS_NAME_MAX + return CHARCLASS_NAME_MAX; +#else + return -1; +#endif + + case _SC_COLL_WEIGHTS_MAX: +#ifdef COLL_WEIGHTS_MAX + return COLL_WEIGHTS_MAX; +#else + return -1; +#endif + + case _SC_EQUIV_CLASS_MAX: +#ifdef EQUIV_CLASS_MAX + return EQUIV_CLASS_MAX; +#else + return -1; +#endif + + case _SC_2_LOCALEDEF: +#ifdef _POSIX2_LOCALEDEF + return _POSIX2_LOCALEDEF; +#else + return -1; +#endif + + case _SC_NPROCESSORS_CONF: + return __get_nprocs_conf (); + + case _SC_NPROCESSORS_ONLN: + return __get_nprocs (); + + case _SC_PHYS_PAGES: + return __get_phys_pages (); + + case _SC_AVPHYS_PAGES: + return __get_avphys_pages (); + + case _SC_ATEXIT_MAX: + /* We have no limit since we use lists. */ + return INT_MAX; + + case _SC_PASS_MAX: + /* We have no limit but since the return value might be used to + allocate a buffer we restrict the value. */ + return BUFSIZ; + + case _SC_CHAR_BIT: + return CHAR_BIT; + + case _SC_CHAR_MAX: + return CHAR_MAX; + + case _SC_CHAR_MIN: + return CHAR_MIN; + + case _SC_INT_MAX: + return INT_MAX; + + case _SC_INT_MIN: + return INT_MIN; + + case _SC_LONG_BIT: + return sizeof (long int) * CHAR_BIT; + + case _SC_WORD_BIT: + return sizeof (int) * CHAR_BIT; + + case _SC_MB_LEN_MAX: + return MB_LEN_MAX; + + case _SC_NZERO: + return NZERO; + + case _SC_SSIZE_MAX: + return _POSIX_SSIZE_MAX; + + case _SC_SCHAR_MAX: + return SCHAR_MAX; + + case _SC_SCHAR_MIN: + return SCHAR_MIN; + + case _SC_SHRT_MAX: + return SHRT_MAX; + + case _SC_SHRT_MIN: + return SHRT_MIN; + + case _SC_UCHAR_MAX: + return UCHAR_MAX; + + case _SC_UINT_MAX: + return UINT_MAX; + + case _SC_ULONG_MAX: + return ULONG_MAX; + + case _SC_USHRT_MAX: + return USHRT_MAX; + + case _SC_GETGR_R_SIZE_MAX: + return NSS_BUFLEN_GROUP; + + case _SC_GETPW_R_SIZE_MAX: + return NSS_BUFLEN_PASSWD; + + case _SC_ARG_MAX: + case _SC_CHILD_MAX: + case _SC_CLK_TCK: + case _SC_NGROUPS_MAX: + case _SC_OPEN_MAX: + case _SC_STREAM_MAX: + case _SC_JOB_CONTROL: + case _SC_SAVED_IDS: + case _SC_REALTIME_SIGNALS: + case _SC_PRIORITY_SCHEDULING: + case _SC_TIMERS: + case _SC_ASYNCHRONOUS_IO: + case _SC_PRIORITIZED_IO: + case _SC_SYNCHRONIZED_IO: + case _SC_FSYNC: + case _SC_MAPPED_FILES: + case _SC_MEMLOCK: + case _SC_MEMLOCK_RANGE: + case _SC_MEMORY_PROTECTION: + case _SC_MESSAGE_PASSING: + case _SC_SEMAPHORES: + case _SC_SHARED_MEMORY_OBJECTS: + + case _SC_AIO_LISTIO_MAX: + case _SC_AIO_MAX: + case _SC_AIO_PRIO_DELTA_MAX: + case _SC_DELAYTIMER_MAX: + case _SC_MQ_OPEN_MAX: + case _SC_MQ_PRIO_MAX: + case _SC_VERSION: + case _SC_PAGESIZE: + case _SC_RTSIG_MAX: + case _SC_SEM_NSEMS_MAX: + case _SC_SEM_VALUE_MAX: + case _SC_SIGQUEUE_MAX: + case _SC_TIMER_MAX: + + case _SC_PII: + case _SC_PII_XTI: + case _SC_PII_SOCKET: + case _SC_PII_OSI: + case _SC_POLL: + case _SC_SELECT: + case _SC_UIO_MAXIOV: + case _SC_PII_INTERNET_STREAM: + case _SC_PII_INTERNET_DGRAM: + case _SC_PII_OSI_COTS: + case _SC_PII_OSI_CLTS: + case _SC_PII_OSI_M: + case _SC_T_IOV_MAX: + + case _SC_BC_BASE_MAX: + case _SC_BC_DIM_MAX: + case _SC_BC_SCALE_MAX: + case _SC_BC_STRING_MAX: + case _SC_EXPR_NEST_MAX: + case _SC_LINE_MAX: + case _SC_RE_DUP_MAX: + case _SC_2_VERSION: + case _SC_2_C_BIND: + case _SC_2_C_DEV: + case _SC_2_FORT_DEV: + case _SC_2_SW_DEV: + case _SC_2_CHAR_TERM: + case _SC_2_C_VERSION: + case _SC_2_UPE: + + case _SC_THREADS: + case _SC_THREAD_SAFE_FUNCTIONS: + case _SC_LOGIN_NAME_MAX: + case _SC_TTY_NAME_MAX: + case _SC_THREAD_DESTRUCTOR_ITERATIONS: + case _SC_THREAD_KEYS_MAX: + case _SC_THREAD_STACK_MIN: + case _SC_THREAD_THREADS_MAX: + case _SC_THREAD_ATTR_STACKADDR: + case _SC_THREAD_ATTR_STACKSIZE: + case _SC_THREAD_PRIORITY_SCHEDULING: + case _SC_THREAD_PRIO_INHERIT: + case _SC_THREAD_PRIO_PROTECT: + case _SC_THREAD_PROCESS_SHARED: + + case _SC_XOPEN_VERSION: + case _SC_XOPEN_XCU_VERSION: + case _SC_XOPEN_UNIX: + case _SC_XOPEN_CRYPT: + case _SC_XOPEN_ENH_I18N: + case _SC_XOPEN_SHM: + case _SC_XOPEN_XPG2: + case _SC_XOPEN_XPG3: + case _SC_XOPEN_XPG4: + + case _SC_NL_ARGMAX: + case _SC_NL_LANGMAX: + case _SC_NL_MSGMAX: + case _SC_NL_NMAX: + case _SC_NL_SETMAX: + case _SC_NL_TEXTMAX: + + case _SC_XBS5_ILP32_OFF32: + case _SC_XBS5_ILP32_OFFBIG: + case _SC_XBS5_LP64_OFF64: + case _SC_XBS5_LPBIG_OFFBIG: + + case _SC_XOPEN_LEGACY: + case _SC_XOPEN_REALTIME: + case _SC_XOPEN_REALTIME_THREADS: + + break; + } + + __set_errno (ENOSYS); + return -1; +} + +weak_alias (__sysconf, sysconf) +libc_hidden_def (__sysconf) + +stub_warning (sysconf) +#include <stub-tag.h> diff --git a/posix/times.c b/posix/times.c new file mode 100644 index 0000000000..b4e08156ae --- /dev/null +++ b/posix/times.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/times.h> +#include <stddef.h> + +/* Store the CPU time used by this process and all its + dead children (and their dead children) in BUFFER. + Return the elapsed real time, or (clock_t) -1 for errors. + All times are in CLK_TCKths of a second. */ +clock_t +__times (buffer) + struct tms *buffer; +{ + if (buffer == NULL) + { + __set_errno (EINVAL); + return (clock_t) -1; + } + + __set_errno (ENOSYS); + return (clock_t) -1; +} +stub_warning (times) + +weak_alias (__times, times) +#include <stub-tag.h> diff --git a/posix/uname.c b/posix/uname.c new file mode 100644 index 0000000000..e7c41648ed --- /dev/null +++ b/posix/uname.c @@ -0,0 +1,66 @@ +/* Copyright (C) 1991,92,96,97,2000,02 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <string.h> +#include <sys/utsname.h> +#include <unistd.h> + +/* This file is created by the configuration process, and defines UNAME_*. */ +#include <config-name.h> + +/* Put information about the system in NAME. */ +int +__uname (name) + struct utsname *name; +{ + int save; + + if (name == NULL) + { + __set_errno (EINVAL); + return -1; + } + + save = errno; + if (__gethostname (name->nodename, sizeof (name->nodename)) < 0) + { + if (errno == ENOSYS) + { + /* Hostname is meaningless for this machine. */ + name->nodename[0] = '\0'; + __set_errno (save); + } +#ifdef ENAMETOOLONG + else if (errno == ENAMETOOLONG) + /* The name was truncated. */ + __set_errno (save); +#endif + else + return -1; + } + strncpy (name->sysname, UNAME_SYSNAME, sizeof (name->sysname)); + strncpy (name->release, UNAME_RELEASE, sizeof (name->release)); + strncpy (name->version, UNAME_VERSION, sizeof (name->version)); + strncpy (name->machine, UNAME_MACHINE, sizeof (name->machine)); + + return 0; +} +weak_alias (__uname, uname) +libc_hidden_def (__uname) +libc_hidden_def (uname) diff --git a/posix/vfork.c b/posix/vfork.c new file mode 100644 index 0000000000..d15841d712 --- /dev/null +++ b/posix/vfork.c @@ -0,0 +1,31 @@ +/* Copyright (C) 1992, 1995, 1997, 2000, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <unistd.h> + +/* If we don't have vfork, fork is close enough. */ + +__pid_t +__vfork (void) +{ + return __fork (); +} +libc_hidden_def (__vfork) + +weak_alias (__vfork, vfork) diff --git a/posix/wait.c b/posix/wait.c new file mode 100644 index 0000000000..b1c512ed39 --- /dev/null +++ b/posix/wait.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/wait.h> +#include <errno.h> + +/* Wait for a child to die. When one does, put its status in *STAT_LOC + and return its process ID. For errors, return (pid_t) -1. */ +__pid_t +__wait (__WAIT_STATUS_DEFN stat_loc) +{ + __set_errno (ENOSYS); + return -1; +} +stub_warning (wait) + +weak_alias (__wait, wait) +#include <stub-tag.h> diff --git a/posix/wait3.c b/posix/wait3.c new file mode 100644 index 0000000000..479d99e3da --- /dev/null +++ b/posix/wait3.c @@ -0,0 +1,43 @@ +/* Copyright (C) 1991, 1993, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/wait.h> +#include <sys/types.h> + +/* Wait for a child to exit. When one does, put its status in *STAT_LOC and + return its process ID. For errors return (pid_t) -1. If USAGE is not nil, + store information about the child's resource usage (as a `struct rusage') + there. If the WUNTRACED bit is set in OPTIONS, return status for stopped + children; otherwise don't. */ +pid_t +__wait3 (__WAIT_STATUS_DEFN stat_loc, int options, struct rusage *usage) +{ + if ((options & ~(WNOHANG|WUNTRACED)) != 0) + { + __set_errno (EINVAL); + return (pid_t) -1; + } + + __set_errno (ENOSYS); + return (pid_t) -1; +} +stub_warning (wait3) + +weak_alias (__wait3, wait3) +#include <stub-tag.h> diff --git a/posix/wait4.c b/posix/wait4.c new file mode 100644 index 0000000000..b59bf87ffc --- /dev/null +++ b/posix/wait4.c @@ -0,0 +1,33 @@ +/* Copyright (C) 1991, 1992, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/types.h> +#include <sys/wait.h> +#include <errno.h> + +pid_t +__wait4 (__pid_t pid, __WAIT_STATUS stat_loc, int options, + struct rusage *usage) +{ + __set_errno (ENOSYS); + return (pid_t) -1; +} +stub_warning (wait4) + +weak_alias (__wait4, wait4) +#include <stub-tag.h> diff --git a/posix/waitid.c b/posix/waitid.c new file mode 100644 index 0000000000..a9de1a19a5 --- /dev/null +++ b/posix/waitid.c @@ -0,0 +1,35 @@ +/* Stub version of waitid. + Copyright (C) 1997, 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/types.h> +#include <sys/wait.h> + +int +__waitid (idtype, id, infop, options) + idtype_t idtype; + id_t id; + siginfo_t *infop; + int options; +{ + __set_errno (ENOSYS); + return -1; +} +weak_alias (__waitid, waitid) diff --git a/posix/waitpid.c b/posix/waitpid.c new file mode 100644 index 0000000000..9c7736e669 --- /dev/null +++ b/posix/waitpid.c @@ -0,0 +1,53 @@ +/* Copyright (C) 1991,95,96,97,2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <sys/wait.h> +#include <sys/types.h> + + +/* Wait for a child matching PID to die. + If PID is greater than 0, match any process whose process ID is PID. + If PID is (pid_t) -1, match any process. + If PID is (pid_t) 0, match any process with the + same process group as the current process. + If PID is less than -1, match any process whose + process group is the absolute value of PID. + If the WNOHANG bit is set in OPTIONS, and that child + is not already dead, return (pid_t) 0. If successful, + return PID and store the dead child's status in STAT_LOC. + Return (pid_t) -1 for errors. If the WUNTRACED bit is set in OPTIONS, + return status for stopped children; otherwise don't. */ +pid_t +__libc_waitpid (pid_t pid, int *stat_loc, int options) +{ + if ((options & ~(WNOHANG|WUNTRACED)) != 0) + { + __set_errno (EINVAL); + return (pid_t) -1; + } + + __set_errno (ENOSYS); + return (pid_t) -1; +} +weak_alias (__libc_waitpid, __waitpid) +libc_hidden_weak (__waitpid) +weak_alias (__libc_waitpid, waitpid) + +stub_warning (waitpid) +#include <stub-tag.h> diff --git a/posix/wordexp.c b/posix/wordexp.c new file mode 100644 index 0000000000..2eb58089c4 --- /dev/null +++ b/posix/wordexp.c @@ -0,0 +1,2457 @@ +/* POSIX.2 wordexp implementation. + Copyright (C) 1997-2002, 2003, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Tim Waugh <tim@cyberelk.demon.co.uk>. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <alloca.h> +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <fnmatch.h> +#include <glob.h> +#include <libintl.h> +#include <paths.h> +#include <pwd.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/param.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> +#ifdef USE_IN_LIBIO +# include <wchar.h> +#endif +#include <wordexp.h> + +#include <bits/libc-lock.h> +#include <stdio-common/_itoa.h> + +/* Undefine the following line for the production version. */ +/* #define NDEBUG 1 */ +#include <assert.h> + +/* Get some device information. */ +#include <device-nrs.h> + +/* + * This is a recursive-descent-style word expansion routine. + */ + +/* These variables are defined and initialized in the startup code. */ +extern int __libc_argc attribute_hidden; +extern char **__libc_argv attribute_hidden; + +/* Some forward declarations */ +static int parse_dollars (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char *ifs, + const char *ifs_white, int quoted) + internal_function; +static int parse_backtick (char **word, size_t *word_length, + size_t *max_length, const char *words, + size_t *offset, int flags, wordexp_t *pwordexp, + const char *ifs, const char *ifs_white) + internal_function; +static int parse_dquote (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char *ifs, + const char *ifs_white) + internal_function; +static int eval_expr (char *expr, long int *result) internal_function; + +/* The w_*() functions manipulate word lists. */ + +#define W_CHUNK (100) + +/* Result of w_newword will be ignored if it's the last word. */ +static inline char * +w_newword (size_t *actlen, size_t *maxlen) +{ + *actlen = *maxlen = 0; + return NULL; +} + +static char * +w_addchar (char *buffer, size_t *actlen, size_t *maxlen, char ch) + /* (lengths exclude trailing zero) */ +{ + /* Add a character to the buffer, allocating room for it if needed. */ + + if (*actlen == *maxlen) + { + char *old_buffer = buffer; + assert (buffer == NULL || *maxlen != 0); + *maxlen += W_CHUNK; + buffer = (char *) realloc (buffer, 1 + *maxlen); + + if (buffer == NULL) + free (old_buffer); + } + + if (buffer != NULL) + { + buffer[*actlen] = ch; + buffer[++(*actlen)] = '\0'; + } + + return buffer; +} + +static char * +internal_function +w_addmem (char *buffer, size_t *actlen, size_t *maxlen, const char *str, + size_t len) +{ + /* Add a string to the buffer, allocating room for it if needed. + */ + if (*actlen + len > *maxlen) + { + char *old_buffer = buffer; + assert (buffer == NULL || *maxlen != 0); + *maxlen += MAX (2 * len, W_CHUNK); + buffer = realloc (old_buffer, 1 + *maxlen); + + if (buffer == NULL) + free (old_buffer); + } + + if (buffer != NULL) + { + *((char *) __mempcpy (&buffer[*actlen], str, len)) = '\0'; + *actlen += len; + } + + return buffer; +} + +static char * +internal_function +w_addstr (char *buffer, size_t *actlen, size_t *maxlen, const char *str) + /* (lengths exclude trailing zero) */ +{ + /* Add a string to the buffer, allocating room for it if needed. + */ + size_t len; + + assert (str != NULL); /* w_addstr only called from this file */ + len = strlen (str); + + return w_addmem (buffer, actlen, maxlen, str, len); +} + +static int +internal_function +w_addword (wordexp_t *pwordexp, char *word) +{ + /* Add a word to the wordlist */ + size_t num_p; + char **new_wordv; + + /* Internally, NULL acts like "". Convert NULLs to "" before + * the caller sees them. + */ + if (word == NULL) + { + word = __strdup (""); + if (word == NULL) + goto no_space; + } + + num_p = 2 + pwordexp->we_wordc + pwordexp->we_offs; + new_wordv = realloc (pwordexp->we_wordv, sizeof (char *) * num_p); + if (new_wordv != NULL) + { + pwordexp->we_wordv = new_wordv; + pwordexp->we_wordv[pwordexp->we_offs + pwordexp->we_wordc++] = word; + pwordexp->we_wordv[pwordexp->we_offs + pwordexp->we_wordc] = NULL; + return 0; + } + +no_space: + return WRDE_NOSPACE; +} + +/* The parse_*() functions should leave *offset being the offset in 'words' + * to the last character processed. + */ + +static int +internal_function +parse_backslash (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset) +{ + /* We are poised _at_ a backslash, not in quotes */ + + switch (words[1 + *offset]) + { + case 0: + /* Backslash is last character of input words */ + return WRDE_SYNTAX; + + case '\n': + ++(*offset); + break; + + default: + *word = w_addchar (*word, word_length, max_length, words[1 + *offset]); + if (*word == NULL) + return WRDE_NOSPACE; + + ++(*offset); + break; + } + + return 0; +} + +static int +internal_function +parse_qtd_backslash (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset) +{ + /* We are poised _at_ a backslash, inside quotes */ + + switch (words[1 + *offset]) + { + case 0: + /* Backslash is last character of input words */ + return WRDE_SYNTAX; + + case '\n': + ++(*offset); + break; + + case '$': + case '`': + case '"': + case '\\': + *word = w_addchar (*word, word_length, max_length, words[1 + *offset]); + if (*word == NULL) + return WRDE_NOSPACE; + + ++(*offset); + break; + + default: + *word = w_addchar (*word, word_length, max_length, words[*offset]); + if (*word != NULL) + *word = w_addchar (*word, word_length, max_length, words[1 + *offset]); + + if (*word == NULL) + return WRDE_NOSPACE; + + ++(*offset); + break; + } + + return 0; +} + +static int +internal_function +parse_tilde (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, size_t wordc) +{ + /* We are poised _at_ a tilde */ + size_t i; + + if (*word_length != 0) + { + if (!((*word)[*word_length - 1] == '=' && wordc == 0)) + { + if (!((*word)[*word_length - 1] == ':' + && strchr (*word, '=') && wordc == 0)) + { + *word = w_addchar (*word, word_length, max_length, '~'); + return *word ? 0 : WRDE_NOSPACE; + } + } + } + + for (i = 1 + *offset; words[i]; i++) + { + if (words[i] == ':' || words[i] == '/' || words[i] == ' ' || + words[i] == '\t' || words[i] == 0 ) + break; + + if (words[i] == '\\') + { + *word = w_addchar (*word, word_length, max_length, '~'); + return *word ? 0 : WRDE_NOSPACE; + } + } + + if (i == 1 + *offset) + { + /* Tilde appears on its own */ + uid_t uid; + struct passwd pwd, *tpwd; + int buflen = 1000; + char* home; + char* buffer; + int result; + + /* POSIX.2 says ~ expands to $HOME and if HOME is unset the + results are unspecified. We do a lookup on the uid if + HOME is unset. */ + + home = getenv ("HOME"); + if (home != NULL) + { + *word = w_addstr (*word, word_length, max_length, home); + if (*word == NULL) + return WRDE_NOSPACE; + } + else + { + uid = __getuid (); + buffer = __alloca (buflen); + + while ((result = __getpwuid_r (uid, &pwd, buffer, buflen, &tpwd)) != 0 + && errno == ERANGE) + buffer = extend_alloca (buffer, buflen, buflen + 1000); + + if (result == 0 && tpwd != NULL && pwd.pw_dir != NULL) + { + *word = w_addstr (*word, word_length, max_length, pwd.pw_dir); + if (*word == NULL) + return WRDE_NOSPACE; + } + else + { + *word = w_addchar (*word, word_length, max_length, '~'); + if (*word == NULL) + return WRDE_NOSPACE; + } + } + } + else + { + /* Look up user name in database to get home directory */ + char *user = strndupa (&words[1 + *offset], i - (1 + *offset)); + struct passwd pwd, *tpwd; + int buflen = 1000; + char* buffer = __alloca (buflen); + int result; + + while ((result = __getpwnam_r (user, &pwd, buffer, buflen, &tpwd)) != 0 + && errno == ERANGE) + buffer = extend_alloca (buffer, buflen, buflen + 1000); + + if (result == 0 && tpwd != NULL && pwd.pw_dir) + *word = w_addstr (*word, word_length, max_length, pwd.pw_dir); + else + { + /* (invalid login name) */ + *word = w_addchar (*word, word_length, max_length, '~'); + if (*word != NULL) + *word = w_addstr (*word, word_length, max_length, user); + } + + *offset = i - 1; + } + return *word ? 0 : WRDE_NOSPACE; +} + + +static int +internal_function +do_parse_glob (const char *glob_word, char **word, size_t *word_length, + size_t *max_length, wordexp_t *pwordexp, const char *ifs, + const char *ifs_white) +{ + int error; + unsigned int match; + glob_t globbuf; + + error = glob (glob_word, GLOB_NOCHECK, NULL, &globbuf); + + if (error != 0) + { + /* We can only run into memory problems. */ + assert (error == GLOB_NOSPACE); + return WRDE_NOSPACE; + } + + if (ifs && !*ifs) + { + /* No field splitting allowed. */ + assert (globbuf.gl_pathv[0] != NULL); + *word = w_addstr (*word, word_length, max_length, globbuf.gl_pathv[0]); + for (match = 1; match < globbuf.gl_pathc && *word != NULL; ++match) + { + *word = w_addchar (*word, word_length, max_length, ' '); + if (*word != NULL) + *word = w_addstr (*word, word_length, max_length, + globbuf.gl_pathv[match]); + } + + globfree (&globbuf); + return *word ? 0 : WRDE_NOSPACE; + } + + assert (ifs == NULL || *ifs != '\0'); + if (*word != NULL) + { + free (*word); + *word = w_newword (word_length, max_length); + } + + for (match = 0; match < globbuf.gl_pathc; ++match) + { + char *matching_word = __strdup (globbuf.gl_pathv[match]); + if (matching_word == NULL || w_addword (pwordexp, matching_word)) + { + globfree (&globbuf); + return WRDE_NOSPACE; + } + } + + globfree (&globbuf); + return 0; +} + +static int +internal_function +parse_glob (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char *ifs, const char *ifs_white) +{ + /* We are poised just after a '*', a '[' or a '?'. */ + int error = WRDE_NOSPACE; + int quoted = 0; /* 1 if singly-quoted, 2 if doubly */ + size_t i; + wordexp_t glob_list; /* List of words to glob */ + + glob_list.we_wordc = 0; + glob_list.we_wordv = NULL; + glob_list.we_offs = 0; + for (; words[*offset] != '\0'; ++*offset) + { + if ((ifs && strchr (ifs, words[*offset])) || + (!ifs && strchr (" \t\n", words[*offset]))) + /* Reached IFS */ + break; + + /* Sort out quoting */ + if (words[*offset] == '\'') + { + if (quoted == 0) + { + quoted = 1; + continue; + } + else if (quoted == 1) + { + quoted = 0; + continue; + } + } + else if (words[*offset] == '"') + { + if (quoted == 0) + { + quoted = 2; + continue; + } + else if (quoted == 2) + { + quoted = 0; + continue; + } + } + + /* Sort out other special characters */ + if (quoted != 1 && words[*offset] == '$') + { + error = parse_dollars (word, word_length, max_length, words, + offset, flags, &glob_list, ifs, ifs_white, + quoted == 2); + if (error) + goto tidy_up; + + continue; + } + else if (words[*offset] == '\\') + { + if (quoted) + error = parse_qtd_backslash (word, word_length, max_length, + words, offset); + else + error = parse_backslash (word, word_length, max_length, + words, offset); + + if (error) + goto tidy_up; + + continue; + } + + *word = w_addchar (*word, word_length, max_length, words[*offset]); + if (*word == NULL) + goto tidy_up; + } + + /* Don't forget to re-parse the character we stopped at. */ + --*offset; + + /* Glob the words */ + error = w_addword (&glob_list, *word); + *word = w_newword (word_length, max_length); + for (i = 0; error == 0 && i < glob_list.we_wordc; i++) + error = do_parse_glob (glob_list.we_wordv[i], word, word_length, + max_length, pwordexp, ifs, ifs_white); + + /* Now tidy up */ +tidy_up: + wordfree (&glob_list); + return error; +} + +static int +internal_function +parse_squote (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset) +{ + /* We are poised just after a single quote */ + for (; words[*offset]; ++(*offset)) + { + if (words[*offset] != '\'') + { + *word = w_addchar (*word, word_length, max_length, words[*offset]); + if (*word == NULL) + return WRDE_NOSPACE; + } + else return 0; + } + + /* Unterminated string */ + return WRDE_SYNTAX; +} + +/* Functions to evaluate an arithmetic expression */ +static int +internal_function +eval_expr_val (char **expr, long int *result) +{ + char *digit; + + /* Skip white space */ + for (digit = *expr; digit && *digit && isspace (*digit); ++digit); + + if (*digit == '(') + { + /* Scan for closing paren */ + for (++digit; **expr && **expr != ')'; ++(*expr)); + + /* Is there one? */ + if (!**expr) + return WRDE_SYNTAX; + + *(*expr)++ = 0; + + if (eval_expr (digit, result)) + return WRDE_SYNTAX; + + return 0; + } + + /* POSIX requires that decimal, octal, and hexadecimal constants are + recognized. Therefore we pass 0 as the third parameter to strtol. */ + *result = strtol (digit, expr, 0); + if (digit == *expr) + return WRDE_SYNTAX; + + return 0; +} + +static int +internal_function +eval_expr_multdiv (char **expr, long int *result) +{ + long int arg; + + /* Read a Value */ + if (eval_expr_val (expr, result) != 0) + return WRDE_SYNTAX; + + while (**expr) + { + /* Skip white space */ + for (; *expr && **expr && isspace (**expr); ++(*expr)); + + if (**expr == '*') + { + ++(*expr); + if (eval_expr_val (expr, &arg) != 0) + return WRDE_SYNTAX; + + *result *= arg; + } + else if (**expr == '/') + { + ++(*expr); + if (eval_expr_val (expr, &arg) != 0) + return WRDE_SYNTAX; + + *result /= arg; + } + else break; + } + + return 0; +} + +static int +internal_function +eval_expr (char *expr, long int *result) +{ + long int arg; + + /* Read a Multdiv */ + if (eval_expr_multdiv (&expr, result) != 0) + return WRDE_SYNTAX; + + while (*expr) + { + /* Skip white space */ + for (; expr && *expr && isspace (*expr); ++expr); + + if (*expr == '+') + { + ++expr; + if (eval_expr_multdiv (&expr, &arg) != 0) + return WRDE_SYNTAX; + + *result += arg; + } + else if (*expr == '-') + { + ++expr; + if (eval_expr_multdiv (&expr, &arg) != 0) + return WRDE_SYNTAX; + + *result -= arg; + } + else break; + } + + return 0; +} + +static int +internal_function +parse_arith (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, int bracket) +{ + /* We are poised just after "$((" or "$[" */ + int error; + int paren_depth = 1; + size_t expr_length; + size_t expr_maxlen; + char *expr; + + expr = w_newword (&expr_length, &expr_maxlen); + for (; words[*offset]; ++(*offset)) + { + switch (words[*offset]) + { + case '$': + error = parse_dollars (&expr, &expr_length, &expr_maxlen, + words, offset, flags, NULL, NULL, NULL, 1); + /* The ``1'' here is to tell parse_dollars not to + * split the fields. + */ + if (error) + { + free (expr); + return error; + } + break; + + case '`': + (*offset)++; + error = parse_backtick (&expr, &expr_length, &expr_maxlen, + words, offset, flags, NULL, NULL, NULL); + /* The first NULL here is to tell parse_backtick not to + * split the fields. + */ + if (error) + { + free (expr); + return error; + } + break; + + case '\\': + error = parse_qtd_backslash (&expr, &expr_length, &expr_maxlen, + words, offset); + if (error) + { + free (expr); + return error; + } + /* I think that a backslash within an + * arithmetic expansion is bound to + * cause an error sooner or later anyway though. + */ + break; + + case ')': + if (--paren_depth == 0) + { + char result[21]; /* 21 = ceil(log10(2^64)) + 1 */ + long int numresult = 0; + long long int convertme; + + if (bracket || words[1 + *offset] != ')') + { + free (expr); + return WRDE_SYNTAX; + } + + ++(*offset); + + /* Go - evaluate. */ + if (*expr && eval_expr (expr, &numresult) != 0) + { + free (expr); + return WRDE_SYNTAX; + } + + if (numresult < 0) + { + convertme = -numresult; + *word = w_addchar (*word, word_length, max_length, '-'); + if (!*word) + { + free (expr); + return WRDE_NOSPACE; + } + } + else + convertme = numresult; + + result[20] = '\0'; + *word = w_addstr (*word, word_length, max_length, + _itoa (convertme, &result[20], 10, 0)); + free (expr); + return *word ? 0 : WRDE_NOSPACE; + } + expr = w_addchar (expr, &expr_length, &expr_maxlen, words[*offset]); + if (expr == NULL) + return WRDE_NOSPACE; + + break; + + case ']': + if (bracket && paren_depth == 1) + { + char result[21]; /* 21 = ceil(log10(2^64)) + 1 */ + long int numresult = 0; + + /* Go - evaluate. */ + if (*expr && eval_expr (expr, &numresult) != 0) + { + free (expr); + return WRDE_SYNTAX; + } + + result[20] = '\0'; + *word = w_addstr (*word, word_length, max_length, + _itoa_word (numresult, &result[20], 10, 0)); + free (expr); + return *word ? 0 : WRDE_NOSPACE; + } + + free (expr); + return WRDE_SYNTAX; + + case '\n': + case ';': + case '{': + case '}': + free (expr); + return WRDE_BADCHAR; + + case '(': + ++paren_depth; + default: + expr = w_addchar (expr, &expr_length, &expr_maxlen, words[*offset]); + if (expr == NULL) + return WRDE_NOSPACE; + } + } + + /* Premature end */ + free (expr); + return WRDE_SYNTAX; +} + +/* Function called by child process in exec_comm() */ +static inline void +internal_function __attribute__ ((always_inline)) +exec_comm_child (char *comm, int *fildes, int showerr, int noexec) +{ + const char *args[4] = { _PATH_BSHELL, "-c", comm, NULL }; + + /* Execute the command, or just check syntax? */ + if (noexec) + args[1] = "-nc"; + + /* Redirect output. */ + __dup2 (fildes[1], STDOUT_FILENO); + __close (fildes[1]); + + /* Redirect stderr to /dev/null if we have to. */ + if (showerr == 0) + { + struct stat64 st; + int fd; + __close (2); + fd = __open (_PATH_DEVNULL, O_WRONLY); + if (fd >= 0 && fd != 2) + { + __dup2 (fd, STDERR_FILENO); + __close (fd); + } + /* Be paranoid. Check that we actually opened the /dev/null + device. */ + if (__builtin_expect (__fxstat64 (_STAT_VER, STDERR_FILENO, &st), 0) != 0 + || __builtin_expect (S_ISCHR (st.st_mode), 1) == 0 +#if defined DEV_NULL_MAJOR && defined DEV_NULL_MINOR + || st.st_rdev != makedev (DEV_NULL_MAJOR, DEV_NULL_MINOR) +#endif + ) + /* It's not the /dev/null device. Stop right here. The + problem is: how do we stop? We use _exit() with an + hopefully unusual exit code. */ + _exit (90); + } + + /* Make sure the subshell doesn't field-split on our behalf. */ + __unsetenv ("IFS"); + + __close (fildes[0]); + __execve (_PATH_BSHELL, (char *const *) args, __environ); + + /* Bad. What now? */ + abort (); +} + +/* Function to execute a command and retrieve the results */ +/* pwordexp contains NULL if field-splitting is forbidden */ +static int +internal_function +exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length, + int flags, wordexp_t *pwordexp, const char *ifs, + const char *ifs_white) +{ + int fildes[2]; +#define bufsize 128 + int buflen; + int i; + int status = 0; + size_t maxnewlines = 0; + char buffer[bufsize]; + pid_t pid; + int noexec = 0; + + /* Don't fork() unless necessary */ + if (!comm || !*comm) + return 0; + + if (__pipe (fildes)) + /* Bad */ + return WRDE_NOSPACE; + + again: + if ((pid = __fork ()) < 0) + { + /* Bad */ + if (fildes[0] != -1) + __close (fildes[0]); + if (fildes[1] != -1) + __close (fildes[1]); + return WRDE_NOSPACE; + } + + if (pid == 0) + exec_comm_child (comm, fildes, noexec ? 0 : flags & WRDE_SHOWERR, noexec); + + /* Parent */ + + /* If we are just testing the syntax, only wait. */ + if (noexec) + return (TEMP_FAILURE_RETRY (__waitpid (pid, &status, 0)) == pid + && status != 0) ? WRDE_SYNTAX : 0; + + __close (fildes[1]); + fildes[1] = -1; + + if (!pwordexp) + /* Quoted - no field splitting */ + { + while (1) + { + if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer, + bufsize))) < 1) + { + if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, WNOHANG)) == 0) + continue; + if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer, + bufsize))) < 1) + break; + } + + maxnewlines += buflen; + + *word = w_addmem (*word, word_length, max_length, buffer, buflen); + if (*word == NULL) + goto no_space; + } + } + else + /* Not quoted - split fields */ + { + int copying = 0; + /* 'copying' is: + * 0 when searching for first character in a field not IFS white space + * 1 when copying the text of a field + * 2 when searching for possible non-whitespace IFS + * 3 when searching for non-newline after copying field + */ + + while (1) + { + if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer, + bufsize))) < 1) + { + if (TEMP_FAILURE_RETRY (__waitpid (pid, &status, WNOHANG)) == 0) + continue; + if ((buflen = TEMP_FAILURE_RETRY (__read (fildes[0], buffer, + bufsize))) < 1) + break; + } + + for (i = 0; i < buflen; ++i) + { + if (strchr (ifs, buffer[i]) != NULL) + { + /* Current character is IFS */ + if (strchr (ifs_white, buffer[i]) == NULL) + { + /* Current character is IFS but not whitespace */ + if (copying == 2) + { + /* current character + * | + * V + * eg: text<space><comma><space>moretext + * + * So, strip whitespace IFS (like at the start) + */ + copying = 0; + continue; + } + + copying = 0; + /* fall through and delimit field.. */ + } + else + { + if (buffer[i] == '\n') + { + /* Current character is (IFS) newline */ + + /* If copying a field, this is the end of it, + but maybe all that's left is trailing newlines. + So start searching for a non-newline. */ + if (copying == 1) + copying = 3; + + continue; + } + else + { + /* Current character is IFS white space, but + not a newline */ + + /* If not either copying a field or searching + for non-newline after a field, ignore it */ + if (copying != 1 && copying != 3) + continue; + + /* End of field (search for non-ws IFS afterwards) */ + copying = 2; + } + } + + /* First IFS white space (non-newline), or IFS non-whitespace. + * Delimit the field. Nulls are converted by w_addword. */ + if (w_addword (pwordexp, *word) == WRDE_NOSPACE) + goto no_space; + + *word = w_newword (word_length, max_length); + + maxnewlines = 0; + /* fall back round the loop.. */ + } + else + { + /* Not IFS character */ + + if (copying == 3) + { + /* Nothing but (IFS) newlines since the last field, + so delimit it here before starting new word */ + if (w_addword (pwordexp, *word) == WRDE_NOSPACE) + goto no_space; + + *word = w_newword (word_length, max_length); + } + + copying = 1; + + if (buffer[i] == '\n') /* happens if newline not in IFS */ + maxnewlines++; + else + maxnewlines = 0; + + *word = w_addchar (*word, word_length, max_length, + buffer[i]); + if (*word == NULL) + goto no_space; + } + } + } + } + + /* Chop off trailing newlines (required by POSIX.2) */ + /* Ensure we don't go back further than the beginning of the + substitution (i.e. remove maxnewlines bytes at most) */ + while (maxnewlines-- != 0 && + *word_length > 0 && (*word)[*word_length - 1] == '\n') + { + (*word)[--*word_length] = '\0'; + + /* If the last word was entirely newlines, turn it into a new word + * which can be ignored if there's nothing following it. */ + if (*word_length == 0) + { + free (*word); + *word = w_newword (word_length, max_length); + break; + } + } + + __close (fildes[0]); + fildes[0] = -1; + + /* Check for syntax error (re-execute but with "-n" flag) */ + if (buflen < 1 && status != 0) + { + noexec = 1; + goto again; + } + + return 0; + +no_space: + __kill (pid, SIGKILL); + TEMP_FAILURE_RETRY (__waitpid (pid, NULL, 0)); + __close (fildes[0]); + return WRDE_NOSPACE; +} + +static int +internal_function +parse_comm (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, wordexp_t *pwordexp, + const char *ifs, const char *ifs_white) +{ + /* We are poised just after "$(" */ + int paren_depth = 1; + int error = 0; + int quoted = 0; /* 1 for singly-quoted, 2 for doubly-quoted */ + size_t comm_length; + size_t comm_maxlen; + char *comm = w_newword (&comm_length, &comm_maxlen); + + for (; words[*offset]; ++(*offset)) + { + switch (words[*offset]) + { + case '\'': + if (quoted == 0) + quoted = 1; + else if (quoted == 1) + quoted = 0; + + break; + + case '"': + if (quoted == 0) + quoted = 2; + else if (quoted == 2) + quoted = 0; + + break; + + case ')': + if (!quoted && --paren_depth == 0) + { + /* Go -- give script to the shell */ + if (comm) + { +#ifdef __libc_ptf_call + /* We do not want the exec_comm call to be cut short + by a thread cancellation since cleanup is very + ugly. Therefore disable cancellation for + now. */ + // XXX Ideally we do want the thread being cancelable. + // XXX If demand is there we'll change it. + int state = PTHREAD_CANCEL_ENABLE; + __libc_ptf_call (pthread_setcancelstate, + (PTHREAD_CANCEL_DISABLE, &state), 0); +#endif + + error = exec_comm (comm, word, word_length, max_length, + flags, pwordexp, ifs, ifs_white); + +#ifdef __libc_ptf_call + __libc_ptf_call (pthread_setcancelstate, (state, NULL), 0); +#endif + + free (comm); + } + + return error; + } + + /* This is just part of the script */ + break; + + case '(': + if (!quoted) + ++paren_depth; + } + + comm = w_addchar (comm, &comm_length, &comm_maxlen, words[*offset]); + if (comm == NULL) + return WRDE_NOSPACE; + } + + /* Premature end */ + if (comm) + free (comm); + + return WRDE_SYNTAX; +} + +static int +internal_function +parse_param (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, wordexp_t *pwordexp, + const char *ifs, const char *ifs_white, int quoted) +{ + /* We are poised just after "$" */ + enum action + { + ACT_NONE, + ACT_RP_SHORT_LEFT = '#', + ACT_RP_LONG_LEFT = 'L', + ACT_RP_SHORT_RIGHT = '%', + ACT_RP_LONG_RIGHT = 'R', + ACT_NULL_ERROR = '?', + ACT_NULL_SUBST = '-', + ACT_NONNULL_SUBST = '+', + ACT_NULL_ASSIGN = '=' + }; + size_t env_length; + size_t env_maxlen; + size_t pat_length; + size_t pat_maxlen; + size_t start = *offset; + char *env; + char *pattern; + char *value = NULL; + enum action action = ACT_NONE; + int depth = 0; + int colon_seen = 0; + int seen_hash = 0; + int free_value = 0; + int pattern_is_quoted = 0; /* 1 for singly-quoted, 2 for doubly-quoted */ + int error; + int special = 0; + char buffer[21]; + int brace = words[*offset] == '{'; + + env = w_newword (&env_length, &env_maxlen); + pattern = w_newword (&pat_length, &pat_maxlen); + + if (brace) + ++*offset; + + /* First collect the parameter name. */ + + if (words[*offset] == '#') + { + seen_hash = 1; + if (!brace) + goto envsubst; + ++*offset; + } + + if (isalpha (words[*offset]) || words[*offset] == '_') + { + /* Normal parameter name. */ + do + { + env = w_addchar (env, &env_length, &env_maxlen, + words[*offset]); + if (env == NULL) + goto no_space; + } + while (isalnum (words[++*offset]) || words[*offset] == '_'); + } + else if (isdigit (words[*offset])) + { + /* Numeric parameter name. */ + special = 1; + do + { + env = w_addchar (env, &env_length, &env_maxlen, + words[*offset]); + if (env == NULL) + goto no_space; + if (!brace) + goto envsubst; + } + while (isdigit(words[++*offset])); + } + else if (strchr ("*@$", words[*offset]) != NULL) + { + /* Special parameter. */ + special = 1; + env = w_addchar (env, &env_length, &env_maxlen, + words[*offset]); + if (env == NULL) + goto no_space; + ++*offset; + } + else + { + if (brace) + goto syntax; + } + + if (brace) + { + /* Check for special action to be applied to the value. */ + switch (words[*offset]) + { + case '}': + /* Evaluate. */ + goto envsubst; + + case '#': + action = ACT_RP_SHORT_LEFT; + if (words[1 + *offset] == '#') + { + ++*offset; + action = ACT_RP_LONG_LEFT; + } + break; + + case '%': + action = ACT_RP_SHORT_RIGHT; + if (words[1 + *offset] == '%') + { + ++*offset; + action = ACT_RP_LONG_RIGHT; + } + break; + + case ':': + if (strchr ("-=?+", words[1 + *offset]) == NULL) + goto syntax; + + colon_seen = 1; + action = words[++*offset]; + break; + + case '-': + case '=': + case '?': + case '+': + action = words[*offset]; + break; + + default: + goto syntax; + } + + /* Now collect the pattern, but don't expand it yet. */ + ++*offset; + for (; words[*offset]; ++(*offset)) + { + switch (words[*offset]) + { + case '{': + if (!pattern_is_quoted) + ++depth; + break; + + case '}': + if (!pattern_is_quoted) + { + if (depth == 0) + goto envsubst; + --depth; + } + break; + + case '\\': + if (pattern_is_quoted) + /* Quoted; treat as normal character. */ + break; + + /* Otherwise, it's an escape: next character is literal. */ + if (words[++*offset] == '\0') + goto syntax; + + pattern = w_addchar (pattern, &pat_length, &pat_maxlen, '\\'); + if (pattern == NULL) + goto no_space; + + break; + + case '\'': + if (pattern_is_quoted == 0) + pattern_is_quoted = 1; + else if (pattern_is_quoted == 1) + pattern_is_quoted = 0; + + break; + + case '"': + if (pattern_is_quoted == 0) + pattern_is_quoted = 2; + else if (pattern_is_quoted == 2) + pattern_is_quoted = 0; + + break; + } + + pattern = w_addchar (pattern, &pat_length, &pat_maxlen, + words[*offset]); + if (pattern == NULL) + goto no_space; + } + } + + /* End of input string -- remember to reparse the character that we + * stopped at. */ + --(*offset); + +envsubst: + if (words[start] == '{' && words[*offset] != '}') + goto syntax; + + if (env == NULL) + { + if (seen_hash) + { + /* $# expands to the number of positional parameters */ + buffer[20] = '\0'; + value = _itoa_word (__libc_argc - 1, &buffer[20], 10, 0); + seen_hash = 0; + } + else + { + /* Just $ on its own */ + *offset = start - 1; + *word = w_addchar (*word, word_length, max_length, '$'); + return *word ? 0 : WRDE_NOSPACE; + } + } + /* Is it a numeric parameter? */ + else if (isdigit (env[0])) + { + int n = atoi (env); + + if (n >= __libc_argc) + /* Substitute NULL. */ + value = NULL; + else + /* Replace with appropriate positional parameter. */ + value = __libc_argv[n]; + } + /* Is it a special parameter? */ + else if (special) + { + /* Is it `$$'? */ + if (*env == '$') + { + buffer[20] = '\0'; + value = _itoa_word (__getpid (), &buffer[20], 10, 0); + } + /* Is it `${#*}' or `${#@}'? */ + else if ((*env == '*' || *env == '@') && seen_hash) + { + buffer[20] = '\0'; + value = _itoa_word (__libc_argc > 0 ? __libc_argc - 1 : 0, + &buffer[20], 10, 0); + *word = w_addstr (*word, word_length, max_length, value); + free (env); + if (pattern) + free (pattern); + return *word ? 0 : WRDE_NOSPACE; + } + /* Is it `$*' or `$@' (unquoted) ? */ + else if (*env == '*' || (*env == '@' && !quoted)) + { + size_t plist_len = 0; + int p; + char *end; + + /* Build up value parameter by parameter (copy them) */ + for (p = 1; __libc_argv[p]; ++p) + plist_len += strlen (__libc_argv[p]) + 1; /* for space */ + value = malloc (plist_len); + if (value == NULL) + goto no_space; + end = value; + *end = 0; + for (p = 1; __libc_argv[p]; ++p) + { + if (p > 1) + *end++ = ' '; + end = __stpcpy (end, __libc_argv[p]); + } + + free_value = 1; + } + else + { + /* Must be a quoted `$@' */ + assert (*env == '@' && quoted); + + /* Each parameter is a separate word ("$@") */ + if (__libc_argc == 2) + value = __libc_argv[1]; + else if (__libc_argc > 2) + { + int p; + + /* Append first parameter to current word. */ + value = w_addstr (*word, word_length, max_length, + __libc_argv[1]); + if (value == NULL || w_addword (pwordexp, value)) + goto no_space; + + for (p = 2; __libc_argv[p + 1]; p++) + { + char *newword = __strdup (__libc_argv[p]); + if (newword == NULL || w_addword (pwordexp, newword)) + goto no_space; + } + + /* Start a new word with the last parameter. */ + *word = w_newword (word_length, max_length); + value = __libc_argv[p]; + } + else + { + free (env); + free (pattern); + return 0; + } + } + } + else + value = getenv (env); + + if (value == NULL && (flags & WRDE_UNDEF)) + { + /* Variable not defined. */ + error = WRDE_BADVAL; + goto do_error; + } + + if (action != ACT_NONE) + { + int expand_pattern = 0; + + /* First, find out if we need to expand pattern (i.e. if we will + * use it). */ + switch (action) + { + case ACT_RP_SHORT_LEFT: + case ACT_RP_LONG_LEFT: + case ACT_RP_SHORT_RIGHT: + case ACT_RP_LONG_RIGHT: + /* Always expand for these. */ + expand_pattern = 1; + break; + + case ACT_NULL_ERROR: + case ACT_NULL_SUBST: + case ACT_NULL_ASSIGN: + if (!value || (!*value && colon_seen)) + /* If param is unset, or set but null and a colon has been seen, + the expansion of the pattern will be needed. */ + expand_pattern = 1; + + break; + + case ACT_NONNULL_SUBST: + /* Expansion of word will be needed if parameter is set and not null, + or set null but no colon has been seen. */ + if (value && (*value || !colon_seen)) + expand_pattern = 1; + + break; + + default: + assert (! "Unrecognised action!"); + } + + if (expand_pattern) + { + /* We need to perform tilde expansion, parameter expansion, + command substitution, and arithmetic expansion. We also + have to be a bit careful with wildcard characters, as + pattern might be given to fnmatch soon. To do this, we + convert quotes to escapes. */ + + char *expanded; + size_t exp_len; + size_t exp_maxl; + char *p; + int quoted = 0; /* 1: single quotes; 2: double */ + + expanded = w_newword (&exp_len, &exp_maxl); + for (p = pattern; p && *p; p++) + { + size_t offset; + + switch (*p) + { + case '"': + if (quoted == 2) + quoted = 0; + else if (quoted == 0) + quoted = 2; + else break; + + continue; + + case '\'': + if (quoted == 1) + quoted = 0; + else if (quoted == 0) + quoted = 1; + else break; + + continue; + + case '*': + case '?': + if (quoted) + { + /* Convert quoted wildchar to escaped wildchar. */ + expanded = w_addchar (expanded, &exp_len, + &exp_maxl, '\\'); + + if (expanded == NULL) + goto no_space; + } + break; + + case '$': + offset = 0; + error = parse_dollars (&expanded, &exp_len, &exp_maxl, p, + &offset, flags, NULL, NULL, NULL, 1); + if (error) + { + if (free_value) + free (value); + + if (expanded) + free (expanded); + + goto do_error; + } + + p += offset; + continue; + + case '~': + if (quoted || exp_len) + break; + + offset = 0; + error = parse_tilde (&expanded, &exp_len, &exp_maxl, p, + &offset, 0); + if (error) + { + if (free_value) + free (value); + + if (expanded) + free (expanded); + + goto do_error; + } + + p += offset; + continue; + + case '\\': + expanded = w_addchar (expanded, &exp_len, &exp_maxl, '\\'); + ++p; + assert (*p); /* checked when extracted initially */ + if (expanded == NULL) + goto no_space; + } + + expanded = w_addchar (expanded, &exp_len, &exp_maxl, *p); + + if (expanded == NULL) + goto no_space; + } + + if (pattern) + free (pattern); + + pattern = expanded; + } + + switch (action) + { + case ACT_RP_SHORT_LEFT: + case ACT_RP_LONG_LEFT: + case ACT_RP_SHORT_RIGHT: + case ACT_RP_LONG_RIGHT: + { + char *p; + char c; + char *end; + + if (value == NULL || pattern == NULL || *pattern == '\0') + break; + + end = value + strlen (value); + + switch (action) + { + case ACT_RP_SHORT_LEFT: + for (p = value; p <= end; ++p) + { + c = *p; + *p = '\0'; + if (fnmatch (pattern, value, 0) != FNM_NOMATCH) + { + *p = c; + if (free_value) + { + char *newval = __strdup (p); + if (newval == NULL) + { + free (value); + goto no_space; + } + free (value); + value = newval; + } + else + value = p; + break; + } + *p = c; + } + + break; + + case ACT_RP_LONG_LEFT: + for (p = end; p >= value; --p) + { + c = *p; + *p = '\0'; + if (fnmatch (pattern, value, 0) != FNM_NOMATCH) + { + *p = c; + if (free_value) + { + char *newval = __strdup (p); + if (newval == NULL) + { + free (value); + goto no_space; + } + free (value); + value = newval; + } + else + value = p; + break; + } + *p = c; + } + + break; + + case ACT_RP_SHORT_RIGHT: + for (p = end; p >= value; --p) + { + if (fnmatch (pattern, p, 0) != FNM_NOMATCH) + { + char *newval; + newval = malloc (p - value + 1); + + if (newval == NULL) + { + if (free_value) + free (value); + goto no_space; + } + + *(char *) __mempcpy (newval, value, p - value) = '\0'; + if (free_value) + free (value); + value = newval; + free_value = 1; + break; + } + } + + break; + + case ACT_RP_LONG_RIGHT: + for (p = value; p <= end; ++p) + { + if (fnmatch (pattern, p, 0) != FNM_NOMATCH) + { + char *newval; + newval = malloc (p - value + 1); + + if (newval == NULL) + { + if (free_value) + free (value); + goto no_space; + } + + *(char *) __mempcpy (newval, value, p - value) = '\0'; + if (free_value) + free (value); + value = newval; + free_value = 1; + break; + } + } + + break; + + default: + break; + } + + break; + } + + case ACT_NULL_ERROR: + if (value && *value) + /* Substitute parameter */ + break; + + error = 0; + if (!colon_seen && value) + /* Substitute NULL */ + ; + else + { + const char *str = pattern; + + if (str[0] == '\0') + str = _("parameter null or not set"); + + __fxprintf (NULL, "%s: %s\n", env, str); + } + + if (free_value) + free (value); + goto do_error; + + case ACT_NULL_SUBST: + if (value && *value) + /* Substitute parameter */ + break; + + if (free_value && value) + free (value); + + if (!colon_seen && value) + /* Substitute NULL */ + goto success; + + value = pattern ? __strdup (pattern) : pattern; + free_value = 1; + + if (pattern && !value) + goto no_space; + + break; + + case ACT_NONNULL_SUBST: + if (value && (*value || !colon_seen)) + { + if (free_value && value) + free (value); + + value = pattern ? __strdup (pattern) : pattern; + free_value = 1; + + if (pattern && !value) + goto no_space; + + break; + } + + /* Substitute NULL */ + if (free_value) + free (value); + goto success; + + case ACT_NULL_ASSIGN: + if (value && *value) + /* Substitute parameter */ + break; + + if (!colon_seen && value) + { + /* Substitute NULL */ + if (free_value) + free (value); + goto success; + } + + if (free_value && value) + free (value); + + value = pattern ? __strdup (pattern) : pattern; + free_value = 1; + + if (pattern && !value) + goto no_space; + + __setenv (env, value, 1); + break; + + default: + assert (! "Unrecognised action!"); + } + } + + free (env); env = NULL; + free (pattern); pattern = NULL; + + if (seen_hash) + { + char param_length[21]; + param_length[20] = '\0'; + *word = w_addstr (*word, word_length, max_length, + _itoa_word (value ? strlen (value) : 0, + ¶m_length[20], 10, 0)); + if (free_value) + { + assert (value != NULL); + free (value); + } + + return *word ? 0 : WRDE_NOSPACE; + } + + if (value == NULL) + return 0; + + if (quoted || !pwordexp) + { + /* Quoted - no field split */ + *word = w_addstr (*word, word_length, max_length, value); + if (free_value) + free (value); + + return *word ? 0 : WRDE_NOSPACE; + } + else + { + /* Need to field-split */ + char *value_copy = __strdup (value); /* Don't modify value */ + char *field_begin = value_copy; + int seen_nonws_ifs = 0; + + if (free_value) + free (value); + + if (value_copy == NULL) + goto no_space; + + do + { + char *field_end = field_begin; + char *next_field; + + /* If this isn't the first field, start a new word */ + if (field_begin != value_copy) + { + if (w_addword (pwordexp, *word) == WRDE_NOSPACE) + { + free (value_copy); + goto no_space; + } + + *word = w_newword (word_length, max_length); + } + + /* Skip IFS whitespace before the field */ + field_begin += strspn (field_begin, ifs_white); + + if (!seen_nonws_ifs && *field_begin == 0) + /* Nothing but whitespace */ + break; + + /* Search for the end of the field */ + field_end = field_begin + strcspn (field_begin, ifs); + + /* Set up pointer to the character after end of field and + skip whitespace IFS after it. */ + next_field = field_end + strspn (field_end, ifs_white); + + /* Skip at most one non-whitespace IFS character after the field */ + seen_nonws_ifs = 0; + if (*next_field && strchr (ifs, *next_field)) + { + seen_nonws_ifs = 1; + next_field++; + } + + /* Null-terminate it */ + *field_end = 0; + + /* Tag a copy onto the current word */ + *word = w_addstr (*word, word_length, max_length, field_begin); + + if (*word == NULL && *field_begin != '\0') + { + free (value_copy); + goto no_space; + } + + field_begin = next_field; + } + while (seen_nonws_ifs || *field_begin); + + free (value_copy); + } + + return 0; + +success: + error = 0; + goto do_error; + +no_space: + error = WRDE_NOSPACE; + goto do_error; + +syntax: + error = WRDE_SYNTAX; + +do_error: + if (env) + free (env); + + if (pattern) + free (pattern); + + return error; +} + +static int +internal_function +parse_dollars (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char *ifs, const char *ifs_white, + int quoted) +{ + /* We are poised _at_ "$" */ + switch (words[1 + *offset]) + { + case '"': + case '\'': + case 0: + *word = w_addchar (*word, word_length, max_length, '$'); + return *word ? 0 : WRDE_NOSPACE; + + case '(': + if (words[2 + *offset] == '(') + { + /* Differentiate between $((1+3)) and $((echo);(ls)) */ + int i = 3 + *offset; + int depth = 0; + while (words[i] && !(depth == 0 && words[i] == ')')) + { + if (words[i] == '(') + ++depth; + else if (words[i] == ')') + --depth; + + ++i; + } + + if (words[i] == ')' && words[i + 1] == ')') + { + (*offset) += 3; + /* Call parse_arith -- 0 is for "no brackets" */ + return parse_arith (word, word_length, max_length, words, offset, + flags, 0); + } + } + + if (flags & WRDE_NOCMD) + return WRDE_CMDSUB; + + (*offset) += 2; + return parse_comm (word, word_length, max_length, words, offset, flags, + quoted? NULL : pwordexp, ifs, ifs_white); + + case '[': + (*offset) += 2; + /* Call parse_arith -- 1 is for "brackets" */ + return parse_arith (word, word_length, max_length, words, offset, flags, + 1); + + case '{': + default: + ++(*offset); /* parse_param needs to know if "{" is there */ + return parse_param (word, word_length, max_length, words, offset, flags, + pwordexp, ifs, ifs_white, quoted); + } +} + +static int +internal_function +parse_backtick (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char *ifs, const char *ifs_white) +{ + /* We are poised just after "`" */ + int error; + int squoting = 0; + size_t comm_length; + size_t comm_maxlen; + char *comm = w_newword (&comm_length, &comm_maxlen); + + for (; words[*offset]; ++(*offset)) + { + switch (words[*offset]) + { + case '`': + /* Go -- give the script to the shell */ + error = exec_comm (comm, word, word_length, max_length, flags, + pwordexp, ifs, ifs_white); + free (comm); + return error; + + case '\\': + if (squoting) + { + error = parse_qtd_backslash (&comm, &comm_length, &comm_maxlen, + words, offset); + + if (error) + { + free (comm); + return error; + } + + break; + } + + ++(*offset); + error = parse_backslash (&comm, &comm_length, &comm_maxlen, words, + offset); + + if (error) + { + free (comm); + return error; + } + + break; + + case '\'': + squoting = 1 - squoting; + default: + comm = w_addchar (comm, &comm_length, &comm_maxlen, words[*offset]); + if (comm == NULL) + return WRDE_NOSPACE; + } + } + + /* Premature end */ + free (comm); + return WRDE_SYNTAX; +} + +static int +internal_function +parse_dquote (char **word, size_t *word_length, size_t *max_length, + const char *words, size_t *offset, int flags, + wordexp_t *pwordexp, const char * ifs, const char * ifs_white) +{ + /* We are poised just after a double-quote */ + int error; + + for (; words[*offset]; ++(*offset)) + { + switch (words[*offset]) + { + case '"': + return 0; + + case '$': + error = parse_dollars (word, word_length, max_length, words, offset, + flags, pwordexp, ifs, ifs_white, 1); + /* The ``1'' here is to tell parse_dollars not to + * split the fields. It may need to, however ("$@"). + */ + if (error) + return error; + + break; + + case '`': + if (flags & WRDE_NOCMD) + return WRDE_CMDSUB; + + ++(*offset); + error = parse_backtick (word, word_length, max_length, words, + offset, flags, NULL, NULL, NULL); + /* The first NULL here is to tell parse_backtick not to + * split the fields. + */ + if (error) + return error; + + break; + + case '\\': + error = parse_qtd_backslash (word, word_length, max_length, words, + offset); + + if (error) + return error; + + break; + + default: + *word = w_addchar (*word, word_length, max_length, words[*offset]); + if (*word == NULL) + return WRDE_NOSPACE; + } + } + + /* Unterminated string */ + return WRDE_SYNTAX; +} + +/* + * wordfree() is to be called after pwordexp is finished with. + */ + +void +wordfree (wordexp_t *pwordexp) +{ + + /* wordexp can set pwordexp to NULL */ + if (pwordexp && pwordexp->we_wordv) + { + char **wordv = pwordexp->we_wordv; + + for (wordv += pwordexp->we_offs; *wordv; ++wordv) + free (*wordv); + + free (pwordexp->we_wordv); + pwordexp->we_wordv = NULL; + } +} +libc_hidden_def (wordfree) + +/* + * wordexp() + */ + +int +wordexp (const char *words, wordexp_t *pwordexp, int flags) +{ + size_t words_offset; + size_t word_length; + size_t max_length; + char *word = w_newword (&word_length, &max_length); + int error; + char *ifs; + char ifs_white[4]; + wordexp_t old_word = *pwordexp; + + if (flags & WRDE_REUSE) + { + /* Minimal implementation of WRDE_REUSE for now */ + wordfree (pwordexp); + old_word.we_wordv = NULL; + } + + if ((flags & WRDE_APPEND) == 0) + { + pwordexp->we_wordc = 0; + + if (flags & WRDE_DOOFFS) + { + pwordexp->we_wordv = calloc (1 + pwordexp->we_offs, sizeof (char *)); + if (pwordexp->we_wordv == NULL) + { + error = WRDE_NOSPACE; + goto do_error; + } + } + else + { + pwordexp->we_wordv = calloc (1, sizeof (char *)); + if (pwordexp->we_wordv == NULL) + { + error = WRDE_NOSPACE; + goto do_error; + } + + pwordexp->we_offs = 0; + } + } + + /* Find out what the field separators are. + * There are two types: whitespace and non-whitespace. + */ + ifs = getenv ("IFS"); + + if (!ifs) + /* IFS unset - use <space><tab><newline>. */ + ifs = strcpy (ifs_white, " \t\n"); + else + { + char *ifsch = ifs; + char *whch = ifs_white; + + /* Start off with no whitespace IFS characters */ + ifs_white[0] = '\0'; + + while (*ifsch != '\0') + { + if ((*ifsch == ' ') || (*ifsch == '\t') || (*ifsch == '\n')) + { + /* Whitespace IFS. See first whether it is already in our + collection. */ + char *runp = ifs_white; + + while (runp < whch && *runp != '\0' && *runp != *ifsch) + ++runp; + + if (runp == whch) + *whch++ = *ifsch; + } + + ++ifsch; + } + *whch = '\0'; + } + + for (words_offset = 0 ; words[words_offset] ; ++words_offset) + switch (words[words_offset]) + { + case '\\': + error = parse_backslash (&word, &word_length, &max_length, words, + &words_offset); + + if (error) + goto do_error; + + break; + + case '$': + error = parse_dollars (&word, &word_length, &max_length, words, + &words_offset, flags, pwordexp, ifs, ifs_white, + 0); + + if (error) + goto do_error; + + break; + + case '`': + if (flags & WRDE_NOCMD) + { + error = WRDE_CMDSUB; + goto do_error; + } + + ++words_offset; + error = parse_backtick (&word, &word_length, &max_length, words, + &words_offset, flags, pwordexp, ifs, + ifs_white); + + if (error) + goto do_error; + + break; + + case '"': + ++words_offset; + error = parse_dquote (&word, &word_length, &max_length, words, + &words_offset, flags, pwordexp, ifs, ifs_white); + + if (error) + goto do_error; + + if (!word_length) + { + error = w_addword (pwordexp, NULL); + + if (error) + return error; + } + + break; + + case '\'': + ++words_offset; + error = parse_squote (&word, &word_length, &max_length, words, + &words_offset); + + if (error) + goto do_error; + + if (!word_length) + { + error = w_addword (pwordexp, NULL); + + if (error) + return error; + } + + break; + + case '~': + error = parse_tilde (&word, &word_length, &max_length, words, + &words_offset, pwordexp->we_wordc); + + if (error) + goto do_error; + + break; + + case '*': + case '[': + case '?': + error = parse_glob (&word, &word_length, &max_length, words, + &words_offset, flags, pwordexp, ifs, ifs_white); + + if (error) + goto do_error; + + break; + + default: + /* Is it a word separator? */ + if (strchr (" \t", words[words_offset]) == NULL) + { + char ch = words[words_offset]; + + /* Not a word separator -- but is it a valid word char? */ + if (strchr ("\n|&;<>(){}", ch)) + { + /* Fail */ + error = WRDE_BADCHAR; + goto do_error; + } + + /* "Ordinary" character -- add it to word */ + word = w_addchar (word, &word_length, &max_length, + ch); + if (word == NULL) + { + error = WRDE_NOSPACE; + goto do_error; + } + + break; + } + + /* If a word has been delimited, add it to the list. */ + if (word != NULL) + { + error = w_addword (pwordexp, word); + if (error) + goto do_error; + } + + word = w_newword (&word_length, &max_length); + } + + /* End of string */ + + /* There was a word separator at the end */ + if (word == NULL) /* i.e. w_newword */ + return 0; + + /* There was no field separator at the end */ + return w_addword (pwordexp, word); + +do_error: + /* Error: + * free memory used (unless error is WRDE_NOSPACE), and + * set pwordexp members back to what they were. + */ + + if (word != NULL) + free (word); + + if (error == WRDE_NOSPACE) + return WRDE_NOSPACE; + + if ((flags & WRDE_APPEND) == 0) + wordfree (pwordexp); + + *pwordexp = old_word; + return error; +} |