diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/arm/profil-counter.h | 51 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/socket.h | 7 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/sockunion.h | 46 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/if_index.c | 44 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/bits/socket.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/ptsname.c | 84 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sa_len.c | 46 |
9 files changed, 223 insertions, 60 deletions
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist index 181ac53d5e..b938504627 100644 --- a/sysdeps/unix/sysv/linux/Dist +++ b/sysdeps/unix/sysv/linux/Dist @@ -46,6 +46,7 @@ rt_sigqueueinfo.c rt_sigreturn.c rt_sigsuspend.c rt_sigtimedwait.c +sa_len.c scsi/sg.h scsi/scsi.h sys/acct.h diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 2bc194384a..9abab1e1ce 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -58,7 +58,7 @@ ifeq ($(subdir),socket) sysdep_headers += net/if.h net/if_ppp.h net/ppp-comp.h \ net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \ net/if_slip.h net/if_packet.h -sysdep_routines += cmsg_nxthdr +sysdep_routines += cmsg_nxthdr sa_len endif ifeq ($(subdir),sunrpc) diff --git a/sysdeps/unix/sysv/linux/arm/profil-counter.h b/sysdeps/unix/sysv/linux/arm/profil-counter.h index d84e70e7ff..0d5024fa47 100644 --- a/sysdeps/unix/sysv/linux/arm/profil-counter.h +++ b/sysdeps/unix/sysv/linux/arm/profil-counter.h @@ -1,5 +1,5 @@ /* Low-level statistical profiling support function. Linux/ARM version. - Copyright (C) 1996, 1997 Free Software Foundation, Inc. + 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 @@ -18,9 +18,54 @@ Boston, MA 02111-1307, USA. */ #include <signal.h> +#include <asm/ptrace.h> + +union k_sigcontext + { + struct + { + unsigned long int trap_no; + unsigned long int error_code; + unsigned long int oldmask; + unsigned long int arm_r0; + unsigned long int arm_r1; + unsigned long int arm_r2; + unsigned long int arm_r3; + unsigned long int arm_r4; + unsigned long int arm_r5; + unsigned long int arm_r6; + unsigned long int arm_r7; + unsigned long int arm_r8; + unsigned long int arm_r9; + unsigned long int arm_r10; + unsigned long int arm_fp; + unsigned long int arm_ip; + unsigned long int arm_sp; + unsigned long int arm_lr; + unsigned long int arm_pc; + unsigned long int arm_cpsr; + } v21; + struct + { + unsigned long int magic; + struct pt_regs reg; + unsigned long int trap_no; + unsigned long int error_code; + unsigned long int oldmask; + } v20; +}; void -profil_counter (int signo, struct sigcontext sc) +profil_counter (int signo, int _a2, int _a3, int _a4, union k_sigcontext sc) { - profil_count ((void *) sc.reg.ARM_pc); + /* The format of struct sigcontext changed between 2.0 and 2.1 kernels. + Fortunately 2.0 puts a magic number in the first word and this is not + a legal value for `trap_no', so we can tell them apart. */ + + void *pc; + if (sc.v20.magic == 0x4B534154) + pc = (void *) sc.v20.reg.ARM_pc; + else + pc = (void *) sc.v21.arm_pc; + profil_count (pc); } diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h index 0938a17a81..e74b011c1d 100644 --- a/sysdeps/unix/sysv/linux/bits/socket.h +++ b/sysdeps/unix/sysv/linux/bits/socket.h @@ -17,7 +17,10 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef _SYS_SOCKET_H +#ifndef __BITS_SOCKET_H +#define __BITS_SOCKET_H + +#if !defined _SYS_SOCKET_H && !defined _NETINET_IN_H # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." #endif @@ -230,3 +233,5 @@ struct linger int l_onoff; /* Nonzero to linger on close. */ int l_linger; /* Time to linger. */ }; + +#endif /* bits/socket.h */ diff --git a/sysdeps/unix/sysv/linux/bits/sockunion.h b/sysdeps/unix/sysv/linux/bits/sockunion.h new file mode 100644 index 0000000000..b66ac41f23 --- /dev/null +++ b/sysdeps/unix/sysv/linux/bits/sockunion.h @@ -0,0 +1,46 @@ +/* Definition of `sockaddr_union'. Linux version. + Copyright (C) 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYS_SOCKET_H +# error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." +#endif + +#include <netash/ash.h> +#include <netatalk/at.h> +#include <netax25/ax25.h> +#include <netinet/in.h> +#include <netipx/ipx.h> +#include <netrose/rose.h> +#include <sys/un.h> + +/* Union of all sockaddr types (required by IPv6 Basic API). This is + somewhat evil. */ +union sockaddr_union + { + struct sockaddr sa; + struct sockaddr_ash sash; + struct sockaddr_at sat; + struct sockaddr_ax25 sax25; + struct sockaddr_in sin; + struct sockaddr_in6 sin6; + struct sockaddr_ipx sipx; + struct sockaddr_rose rose; + struct sockaddr_un sun; + char __maxsize[128]; + }; diff --git a/sysdeps/unix/sysv/linux/if_index.c b/sysdeps/unix/sysv/linux/if_index.c index 9d9bf0e0b2..de66b5cb21 100644 --- a/sysdeps/unix/sysv/linux/if_index.c +++ b/sysdeps/unix/sysv/linux/if_index.c @@ -117,52 +117,46 @@ if_nameindex (void) #else int fd = opensock (); struct ifconf ifc; - unsigned int rq_ifs = 4, nifs, i; + unsigned int nifs, i; int rq_len; struct if_nameindex *idx = NULL; -#ifdef SIOCGIFCOUNT - static int siocgifcount_works = 1; -#endif + static int new_siocgifconf = 1; +#define RQ_IFS 4 if (fd < 0) return NULL; -#ifdef SIOCGIFCOUNT - /* We may be able to find out how many interfaces really exist, rather - than guessing. This ioctl is not present in kernels before version - 2.1.50. */ - if (siocgifcount_works) - { - int serrno = errno; + ifc.ifc_buf = NULL; - if (ioctl (fd, SIOCGIFCOUNT, &nifs) < 0) + /* We may be able to get the needed buffer size directly, rather than + guessing. */ + if (new_siocgifconf) + { + ifc.ifc_buf = NULL; + ifc.ifc_len = 0; + if (ioctl (fd, SIOCGIFCONF, &ifc) < 0 || ifc.ifc_len == 0) { - if (errno == EINVAL) - { - siocgifcount_works = 0; - __set_errno (serrno); - } + new_siocgifconf = 0; + rq_len = RQ_IFS * sizeof (struct ifreq); } else - rq_ifs = nifs + 1; + rq_len = ifc.ifc_len; } -#endif - - ifc.ifc_buf = NULL; + else + rq_len = RQ_IFS * sizeof (struct ifreq); /* Read all the interfaces out of the kernel. */ do { - rq_len = ifc.ifc_len = rq_ifs * sizeof (struct ifreq); - ifc.ifc_buf = alloca (ifc.ifc_len); + ifc.ifc_buf = alloca (ifc.ifc_len = rq_len); if ((ifc.ifc_buf == NULL) || (ioctl (fd, SIOCGIFCONF, &ifc) < 0)) { close (fd); return NULL; } - rq_ifs *= 2; + rq_len *= 2; } - while (ifc.ifc_len == rq_len); + while (ifc.ifc_len == rq_len && new_siocgifconf == 0); nifs = ifc.ifc_len / sizeof (struct ifreq); diff --git a/sysdeps/unix/sysv/linux/mips/bits/socket.h b/sysdeps/unix/sysv/linux/mips/bits/socket.h index f481a478b2..75ed54fc56 100644 --- a/sysdeps/unix/sysv/linux/mips/bits/socket.h +++ b/sysdeps/unix/sysv/linux/mips/bits/socket.h @@ -17,7 +17,7 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef _SYS_STAT_H +#if !defined _SYS_STAT_H && !defined _NETINET_IN_H # error "Never include <bits/socket.h> directly; use <sys/socket.h> instead." #endif diff --git a/sysdeps/unix/sysv/linux/ptsname.c b/sysdeps/unix/sysv/linux/ptsname.c index 77b6d80ac8..c81f23504c 100644 --- a/sysdeps/unix/sysv/linux/ptsname.c +++ b/sysdeps/unix/sysv/linux/ptsname.c @@ -24,6 +24,7 @@ #include <string.h> #include <errno.h> #include <stdlib.h> +#include <unistd.h> #include "pty-internal.h" @@ -40,21 +41,38 @@ char * ptsname (fd) int fd; { - return __ptsname_r (fd, namebuf, PTYNAMELEN); + return __ptsname_r (fd, namebuf, PTYNAMELEN) != 0 ? NULL : namebuf; } -char * -__ptsname_r (fd, buf, len) +int +__ptsname_r (fd, buf, buflen) int fd; char *buf; - unsigned int len; + size_t buflen; { - char nbuf[PTYNAMELEN], idbuf[6]; - int ptyno; struct stat st; + int save = errno; + int ptyno; + char nbuf[PTYNAMELEN], idbuf[6]; + char *cp; #ifdef TIOCGPTN static int tiocgptn_works = 1; +#endif + + if (!buf) + { + __set_errno (EINVAL); + return EINVAL; + } + + if (!__isatty (fd)) + { + __set_errno (ENOTTY); + return ENOTTY; + } + +#ifdef TIOCGPTN if (tiocgptn_works) { if (ioctl (fd, TIOCGPTN, &ptyno) == 0) @@ -62,23 +80,21 @@ __ptsname_r (fd, buf, len) else { if(errno != EINVAL) - return 0; + return errno; else tiocgptn_works = 0; } } #endif - /* /dev/ptmx will make it into the kernel before 32 bit dev_t, so - this should be safe. */ - if (__fxstat (_STAT_VER, fd, &st)) - return 0; + if (__fxstat (_STAT_VER, fd, &st) < 0) + return errno; ptyno = minor (st.st_rdev); if (major (st.st_rdev) == 4) ptyno -= 128; #ifdef TIOCGPTN -gotit: + gotit: #endif /* Two different possible naming schemes for pty slaves: the SVr4 way. */ @@ -86,22 +102,32 @@ gotit: idbuf[5] = '\0'; __stpcpy (__stpcpy (nbuf, "/dev/pts/"), _itoa_word (ptyno, &idbuf[4], 10, 0)); - if (!__xstat (_STAT_VER, nbuf, &st)) - return strncpy (buf, nbuf, len); - else - if (errno != ENOENT) - return NULL; - - /* ...and the BSD way. */ - nbuf[5] = 't'; - nbuf[7] = 'y'; - nbuf[8] = __ptyname1[ptyno / 16]; - nbuf[9] = __ptyname2[ptyno % 16]; - nbuf[10] = '\0'; - - if (__xstat (_STAT_VER, nbuf, &st)) - return NULL; - - return strncpy (buf, nbuf, len); + if (__xstat (_STAT_VER, nbuf, &st) < 0) + { + if (errno != ENOENT) + return errno; + + /* ...and the BSD way. */ + nbuf[5] = 't'; + nbuf[7] = 'y'; + nbuf[8] = __ptyname1[ptyno / 16]; + nbuf[9] = __ptyname2[ptyno % 16]; + nbuf[10] = '\0'; + + if (__xstat (_STAT_VER, nbuf, &st) < 0) + return errno; + } + + if (buflen < strlen (nbuf) + 1) + { + __set_errno (ERANGE); + return ERANGE; + } + + cp = __stpncpy (buf, nbuf, buflen); + cp[0] = '\0'; + + __set_errno (save); + return 0; } weak_alias (__ptsname_r, ptsname_r) diff --git a/sysdeps/unix/sysv/linux/sa_len.c b/sysdeps/unix/sysv/linux/sa_len.c new file mode 100644 index 0000000000..3c66040238 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sa_len.c @@ -0,0 +1,46 @@ +/* Copyright (C) 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <sys/socket.h> + +#include <netatalk/at.h> +#include <netax25/ax25.h> +#include <netinet/in.h> +#include <netipx/ipx.h> +#include <netrose/rose.h> + +int +__libc_sa_len (sa_family_t af) +{ + switch (af) + { + case AF_APPLETALK: + return sizeof (struct sockaddr_at); + case AF_AX25: + return sizeof (struct sockaddr_ax25); + case AF_INET: + return sizeof (struct sockaddr_in); + case AF_INET6: + return sizeof (struct sockaddr_in6); + case AF_IPX: + return sizeof (struct sockaddr_ipx); + case AF_ROSE: + return sizeof (struct sockaddr_rose); + } + return 0; +} |