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Diffstat (limited to 'REORG.TODO/posix/bits/unistd.h')
| -rw-r--r-- | REORG.TODO/posix/bits/unistd.h | 385 |
1 files changed, 385 insertions, 0 deletions
diff --git a/REORG.TODO/posix/bits/unistd.h b/REORG.TODO/posix/bits/unistd.h new file mode 100644 index 0000000000..4e4153c94f --- /dev/null +++ b/REORG.TODO/posix/bits/unistd.h @@ -0,0 +1,385 @@ +/* Checking macros for unistd functions. + Copyright (C) 2005-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _UNISTD_H +# error "Never include <bits/unistd.h> directly; use <unistd.h> instead." +#endif + +extern ssize_t __read_chk (int __fd, void *__buf, size_t __nbytes, + size_t __buflen) __wur; +extern ssize_t __REDIRECT (__read_alias, (int __fd, void *__buf, + size_t __nbytes), read) __wur; +extern ssize_t __REDIRECT (__read_chk_warn, + (int __fd, void *__buf, size_t __nbytes, + size_t __buflen), __read_chk) + __wur __warnattr ("read called with bigger length than size of " + "the destination buffer"); + +__fortify_function __wur ssize_t +read (int __fd, void *__buf, size_t __nbytes) +{ + if (__bos0 (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__nbytes)) + return __read_chk (__fd, __buf, __nbytes, __bos0 (__buf)); + + if (__nbytes > __bos0 (__buf)) + return __read_chk_warn (__fd, __buf, __nbytes, __bos0 (__buf)); + } + return __read_alias (__fd, __buf, __nbytes); +} + +#ifdef __USE_UNIX98 +extern ssize_t __pread_chk (int __fd, void *__buf, size_t __nbytes, + __off_t __offset, size_t __bufsize) __wur; +extern ssize_t __pread64_chk (int __fd, void *__buf, size_t __nbytes, + __off64_t __offset, size_t __bufsize) __wur; +extern ssize_t __REDIRECT (__pread_alias, + (int __fd, void *__buf, size_t __nbytes, + __off_t __offset), pread) __wur; +extern ssize_t __REDIRECT (__pread64_alias, + (int __fd, void *__buf, size_t __nbytes, + __off64_t __offset), pread64) __wur; +extern ssize_t __REDIRECT (__pread_chk_warn, + (int __fd, void *__buf, size_t __nbytes, + __off_t __offset, size_t __bufsize), __pread_chk) + __wur __warnattr ("pread called with bigger length than size of " + "the destination buffer"); +extern ssize_t __REDIRECT (__pread64_chk_warn, + (int __fd, void *__buf, size_t __nbytes, + __off64_t __offset, size_t __bufsize), + __pread64_chk) + __wur __warnattr ("pread64 called with bigger length than size of " + "the destination buffer"); + +# ifndef __USE_FILE_OFFSET64 +__fortify_function __wur ssize_t +pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__nbytes)) + return __pread_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + + if ( __nbytes > __bos0 (__buf)) + return __pread_chk_warn (__fd, __buf, __nbytes, __offset, + __bos0 (__buf)); + } + return __pread_alias (__fd, __buf, __nbytes, __offset); +} +# else +__fortify_function __wur ssize_t +pread (int __fd, void *__buf, size_t __nbytes, __off64_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__nbytes)) + return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + + if ( __nbytes > __bos0 (__buf)) + return __pread64_chk_warn (__fd, __buf, __nbytes, __offset, + __bos0 (__buf)); + } + + return __pread64_alias (__fd, __buf, __nbytes, __offset); +} +# endif + +# ifdef __USE_LARGEFILE64 +__fortify_function __wur ssize_t +pread64 (int __fd, void *__buf, size_t __nbytes, __off64_t __offset) +{ + if (__bos0 (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__nbytes)) + return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf)); + + if ( __nbytes > __bos0 (__buf)) + return __pread64_chk_warn (__fd, __buf, __nbytes, __offset, + __bos0 (__buf)); + } + + return __pread64_alias (__fd, __buf, __nbytes, __offset); +} +# endif +#endif + +#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K +extern ssize_t __readlink_chk (const char *__restrict __path, + char *__restrict __buf, size_t __len, + size_t __buflen) + __THROW __nonnull ((1, 2)) __wur; +extern ssize_t __REDIRECT_NTH (__readlink_alias, + (const char *__restrict __path, + char *__restrict __buf, size_t __len), readlink) + __nonnull ((1, 2)) __wur; +extern ssize_t __REDIRECT_NTH (__readlink_chk_warn, + (const char *__restrict __path, + char *__restrict __buf, size_t __len, + size_t __buflen), __readlink_chk) + __nonnull ((1, 2)) __wur __warnattr ("readlink called with bigger length " + "than size of destination buffer"); + +__fortify_function __nonnull ((1, 2)) __wur ssize_t +__NTH (readlink (const char *__restrict __path, char *__restrict __buf, + size_t __len)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__len)) + return __readlink_chk (__path, __buf, __len, __bos (__buf)); + + if ( __len > __bos (__buf)) + return __readlink_chk_warn (__path, __buf, __len, __bos (__buf)); + } + return __readlink_alias (__path, __buf, __len); +} +#endif + +#ifdef __USE_ATFILE +extern ssize_t __readlinkat_chk (int __fd, const char *__restrict __path, + char *__restrict __buf, size_t __len, + size_t __buflen) + __THROW __nonnull ((2, 3)) __wur; +extern ssize_t __REDIRECT_NTH (__readlinkat_alias, + (int __fd, const char *__restrict __path, + char *__restrict __buf, size_t __len), + readlinkat) + __nonnull ((2, 3)) __wur; +extern ssize_t __REDIRECT_NTH (__readlinkat_chk_warn, + (int __fd, const char *__restrict __path, + char *__restrict __buf, size_t __len, + size_t __buflen), __readlinkat_chk) + __nonnull ((2, 3)) __wur __warnattr ("readlinkat called with bigger " + "length than size of destination " + "buffer"); + +__fortify_function __nonnull ((2, 3)) __wur ssize_t +__NTH (readlinkat (int __fd, const char *__restrict __path, + char *__restrict __buf, size_t __len)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__len)) + return __readlinkat_chk (__fd, __path, __buf, __len, __bos (__buf)); + + if (__len > __bos (__buf)) + return __readlinkat_chk_warn (__fd, __path, __buf, __len, + __bos (__buf)); + } + return __readlinkat_alias (__fd, __path, __buf, __len); +} +#endif + +extern char *__getcwd_chk (char *__buf, size_t __size, size_t __buflen) + __THROW __wur; +extern char *__REDIRECT_NTH (__getcwd_alias, + (char *__buf, size_t __size), getcwd) __wur; +extern char *__REDIRECT_NTH (__getcwd_chk_warn, + (char *__buf, size_t __size, size_t __buflen), + __getcwd_chk) + __wur __warnattr ("getcwd caller with bigger length than size of " + "destination buffer"); + +__fortify_function __wur char * +__NTH (getcwd (char *__buf, size_t __size)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__size)) + return __getcwd_chk (__buf, __size, __bos (__buf)); + + if (__size > __bos (__buf)) + return __getcwd_chk_warn (__buf, __size, __bos (__buf)); + } + return __getcwd_alias (__buf, __size); +} + +#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED +extern char *__getwd_chk (char *__buf, size_t buflen) + __THROW __nonnull ((1)) __wur; +extern char *__REDIRECT_NTH (__getwd_warn, (char *__buf), getwd) + __nonnull ((1)) __wur __warnattr ("please use getcwd instead, as getwd " + "doesn't specify buffer size"); + +__fortify_function __nonnull ((1)) __attribute_deprecated__ __wur char * +__NTH (getwd (char *__buf)) +{ + if (__bos (__buf) != (size_t) -1) + return __getwd_chk (__buf, __bos (__buf)); + return __getwd_warn (__buf); +} +#endif + +extern size_t __confstr_chk (int __name, char *__buf, size_t __len, + size_t __buflen) __THROW; +extern size_t __REDIRECT_NTH (__confstr_alias, (int __name, char *__buf, + size_t __len), confstr); +extern size_t __REDIRECT_NTH (__confstr_chk_warn, + (int __name, char *__buf, size_t __len, + size_t __buflen), __confstr_chk) + __warnattr ("confstr called with bigger length than size of destination " + "buffer"); + +__fortify_function size_t +__NTH (confstr (int __name, char *__buf, size_t __len)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__len)) + return __confstr_chk (__name, __buf, __len, __bos (__buf)); + + if (__bos (__buf) < __len) + return __confstr_chk_warn (__name, __buf, __len, __bos (__buf)); + } + return __confstr_alias (__name, __buf, __len); +} + + +extern int __getgroups_chk (int __size, __gid_t __list[], size_t __listlen) + __THROW __wur; +extern int __REDIRECT_NTH (__getgroups_alias, (int __size, __gid_t __list[]), + getgroups) __wur; +extern int __REDIRECT_NTH (__getgroups_chk_warn, + (int __size, __gid_t __list[], size_t __listlen), + __getgroups_chk) + __wur __warnattr ("getgroups called with bigger group count than what " + "can fit into destination buffer"); + +__fortify_function int +__NTH (getgroups (int __size, __gid_t __list[])) +{ + if (__bos (__list) != (size_t) -1) + { + if (!__builtin_constant_p (__size) || __size < 0) + return __getgroups_chk (__size, __list, __bos (__list)); + + if (__size * sizeof (__gid_t) > __bos (__list)) + return __getgroups_chk_warn (__size, __list, __bos (__list)); + } + return __getgroups_alias (__size, __list); +} + + +extern int __ttyname_r_chk (int __fd, char *__buf, size_t __buflen, + size_t __nreal) __THROW __nonnull ((2)); +extern int __REDIRECT_NTH (__ttyname_r_alias, (int __fd, char *__buf, + size_t __buflen), ttyname_r) + __nonnull ((2)); +extern int __REDIRECT_NTH (__ttyname_r_chk_warn, + (int __fd, char *__buf, size_t __buflen, + size_t __nreal), __ttyname_r_chk) + __nonnull ((2)) __warnattr ("ttyname_r called with bigger buflen than " + "size of destination buffer"); + +__fortify_function int +__NTH (ttyname_r (int __fd, char *__buf, size_t __buflen)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__buflen)) + return __ttyname_r_chk (__fd, __buf, __buflen, __bos (__buf)); + + if (__buflen > __bos (__buf)) + return __ttyname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf)); + } + return __ttyname_r_alias (__fd, __buf, __buflen); +} + + +#ifdef __USE_POSIX199506 +extern int __getlogin_r_chk (char *__buf, size_t __buflen, size_t __nreal) + __nonnull ((1)); +extern int __REDIRECT (__getlogin_r_alias, (char *__buf, size_t __buflen), + getlogin_r) __nonnull ((1)); +extern int __REDIRECT (__getlogin_r_chk_warn, + (char *__buf, size_t __buflen, size_t __nreal), + __getlogin_r_chk) + __nonnull ((1)) __warnattr ("getlogin_r called with bigger buflen than " + "size of destination buffer"); + +__fortify_function int +getlogin_r (char *__buf, size_t __buflen) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__buflen)) + return __getlogin_r_chk (__buf, __buflen, __bos (__buf)); + + if (__buflen > __bos (__buf)) + return __getlogin_r_chk_warn (__buf, __buflen, __bos (__buf)); + } + return __getlogin_r_alias (__buf, __buflen); +} +#endif + + +#if defined __USE_MISC || defined __USE_UNIX98 +extern int __gethostname_chk (char *__buf, size_t __buflen, size_t __nreal) + __THROW __nonnull ((1)); +extern int __REDIRECT_NTH (__gethostname_alias, (char *__buf, size_t __buflen), + gethostname) __nonnull ((1)); +extern int __REDIRECT_NTH (__gethostname_chk_warn, + (char *__buf, size_t __buflen, size_t __nreal), + __gethostname_chk) + __nonnull ((1)) __warnattr ("gethostname called with bigger buflen than " + "size of destination buffer"); + +__fortify_function int +__NTH (gethostname (char *__buf, size_t __buflen)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__buflen)) + return __gethostname_chk (__buf, __buflen, __bos (__buf)); + + if (__buflen > __bos (__buf)) + return __gethostname_chk_warn (__buf, __buflen, __bos (__buf)); + } + return __gethostname_alias (__buf, __buflen); +} +#endif + + +#if defined __USE_MISC || (defined __USE_XOPEN && !defined __USE_UNIX98) +extern int __getdomainname_chk (char *__buf, size_t __buflen, size_t __nreal) + __THROW __nonnull ((1)) __wur; +extern int __REDIRECT_NTH (__getdomainname_alias, (char *__buf, + size_t __buflen), + getdomainname) __nonnull ((1)) __wur; +extern int __REDIRECT_NTH (__getdomainname_chk_warn, + (char *__buf, size_t __buflen, size_t __nreal), + __getdomainname_chk) + __nonnull ((1)) __wur __warnattr ("getdomainname called with bigger " + "buflen than size of destination " + "buffer"); + +__fortify_function int +__NTH (getdomainname (char *__buf, size_t __buflen)) +{ + if (__bos (__buf) != (size_t) -1) + { + if (!__builtin_constant_p (__buflen)) + return __getdomainname_chk (__buf, __buflen, __bos (__buf)); + + if (__buflen > __bos (__buf)) + return __getdomainname_chk_warn (__buf, __buflen, __bos (__buf)); + } + return __getdomainname_alias (__buf, __buflen); +} +#endif |