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author | Ulrich Drepper <drepper@redhat.com> | 1998-01-30 11:44:34 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1998-01-30 11:44:34 +0000 |
commit | 6591c3356242ba48627beb29345e4e44242c7068 (patch) | |
tree | 402220c75072909733e8d383ea5b999f30f1f527 /sysdeps/unix/sysv/linux/ptsname.c | |
parent | 7f0ff1b04ad67b1a4f624a8ad54e7533d1c8aab3 (diff) | |
download | glibc-6591c3356242ba48627beb29345e4e44242c7068.tar.gz glibc-6591c3356242ba48627beb29345e4e44242c7068.tar.xz glibc-6591c3356242ba48627beb29345e4e44242c7068.zip |
Update.
1998-01-30 19:58 Ulrich Drepper <drepper@cygnus.com> * include/cpio.h: Move to ... * posix/cpio.h: ...here. * locale/programs/ld-collate.c: Fix typo. * signal/signal.h: Declare _sys_siglist with NSIG+1 elements. * stdio-common/tiformat.c: Add checks for %#.0o and friends. * login/utmp_file.c (pututline_file): Don't always report success if similar entry is found. Patch by Mark M. Kettenis. 1998-01-30 16:06 Philip Blundell <pb@nexus.co.uk> * manual/Makefile: Don't try to install the info files if makeinfo is not available. 1998-01-30 12:05 Philip Blundell <pb@nexus.co.uk> * sysdeps/unix/sysv/linux/bits/ioctls.h: Include a copy of the kernel's network ioctls, rather than using <linux/sockios.h> to get them. This way we are sure of maintaining compatibility if the kernel interface should change. 1998-01-30 15:52 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/Dist: Add netrose/rose.h. 1998-01-25 19:54 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/unix/sysv/linux/netrose/rose.h: New file. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Install it. 1998-01-27 22:29 Zack Weinberg <zack@rabi.phys.columbia.edu> Implement System V pseudoterminal handling. * login/Makefile (routines): Add getpt, grantpt, unlockpt, ptsname. (libutil-routines): Remove pty. Add openpty, forkpty. (distribute): New internal header pty-internal.h. (others): Add the helper program, pt_chown. (install-others): Install it, in $(libexecdir), mode 4755. * login/pty-internal.h: New file. * login/openpty.c: New file. * login/forkpty.c: New file. * login/programs/pt_chown.c: New file. * libc.map: Add getpt, grantpt, unlockpt, ptsname, ptsname_r. * stdlib/stdlib.h: Prototype them. * config.make.in: Define $(libexecdir). * Makeconfig: Define $(inst_libexecdir). * sysdeps/generic/pty.c: Removed. * sysdeps/unix/sysv/linux/pty.c: Removed. * sysdeps/generic/getpt.c: Stub out. * sysdeps/generic/grantpt.c: Likewise. * sysdeps/generic/ptsname.c: Likewise. * sysdeps/generic/unlockpt.c: Likewise. * sysdeps/unix/grantpt.c: New file. * sysdeps/unix/bsd/getpt.c: New file. * sysdeps/unix/bsd/unlockpt.c: New file. * sysdeps/unix/sysv/linux/getpt.c: New file. * sysdeps/unix/sysv/linux/ptsname.c: New file. * sysdeps/unix/sysv/linux/unlockpt.c: New file. 1998-01-29 23:56 Ulrich Drepper <drepper@cygnus.com> * localedata/locales/ru_RU: Fix YESEXPR. Patch by lav@yars.free.net. 1998-01-29 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nss/Makefile (tests): Add rule for test-netdb.c. * nss/test-netdb.c: New file. 1998-01-29 02:38 Ulrich Drepper <drepper@cygnus.com> * elf/dl-open.c (_dl_open): Make sure the variable `reloc' is really kept as a variable. Patch by Richard Henderson, reported by Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>. * elf/rtld.c (dl_main): Call _dl_init_paths before handling preloading. * elf/genrtldtbl.awk: Mark machine dependent directory of generated entries as not existing. 1998-01-26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdio-common/vfprintf.c (process_arg): Fix printing of octal zero in alternate form with precision of zero, which must produce "0". Add braces to avoid ambiguous `else'. 1998-01-26 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-grp.c: Fix memory leak and trailing null problem with strncpy. * nis/nss_compat/compat-pwd.c: Likewise. * nis/nss_compat/comapt-spwd.c: Likewise. 1998-01-28 Andreas Jaeger <aj@arthur.rhein-neckar.de> * assert/assert.h (assert_perror): Correct test for errnum. Patch by uch@nop.or.jp. [PR libc/437] 1997-12-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locales/pl_PL: Fix int_curr_symbol. 1998-01-26 Andreas Jaeger <aj@arthur.rhein-neckar.de> * nis/nis_cache.c: Include <unistd.h> for declaration of close. 1998-01-06 Andreas Jaeger <aj@arthur.rhein-neckar.de> * stdio-common/test-popen.c: Include <errno.h>. * sysdeps/unix/sysv/linux/if_index.c: Include <unistd.h> for close. * inet/getnetgrent_r.c: Include <errno.h>. * db2/db/db_conv.c: Include <string.h> for memcpy. * gmon/bb_exit_func.c: Include <string.h> instead of <strings.h> so that memcpy is declared. * iconv/iconv_open.c: Include <stdlib.h> for alloca. * misc/init-misc.c: Remove unneeded inclusion of <errno.h>. 1998-01-26 Andreas Jaeger <aj@arthur.rhein-neckar.de> * pwd/fgetpwent_r.c (__fgetpwent_r): Correctly handle buffer overflow while reading line with fgets. * grp/fgetgrent_r.c (__fgetgrent_r): Likewise. 1998-01-27 00:46 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/bits/types.h (__ipc_pid_t): Change to unsigned short, not short. Reported by Andreas Jaeger. 1998-01-06 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/mips/syscalls.list: Correct typo (ccept->accept). * sysdeps/generic/inttypes.h: Fix spelling. 1998-01-04 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/arm/Dist: Add bits/mman.h. * sysdeps/unix/sysv/linux/alpha/Dist: Add net/route.h. 1998-01-27 00:30 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf.h (struct print_info): Add new bitfield is_char. * stdio-common/printf-parse.h (parse_one_spec): Fill in is_char field for hh modifier. * stdio-common/vfprint.c: Use is_char field and do not depend in is_short having the value 2. Bug reported by Andreas Jaeger. 1998-01-05 Andreas Jaeger <aj@arthur.rhein-neckar.de> * libio/freopen.c (freopen): Call _IO_old_freopen only if defined PIC && DO_VERSIONING. 1998-01-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Rules: Add rules for $(common-objpfx)dummy$o.
Diffstat (limited to 'sysdeps/unix/sysv/linux/ptsname.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/ptsname.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ptsname.c b/sysdeps/unix/sysv/linux/ptsname.c new file mode 100644 index 0000000000..04feadd436 --- /dev/null +++ b/sysdeps/unix/sysv/linux/ptsname.c @@ -0,0 +1,108 @@ +/* Copyright (C) 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Zack Weinberg <zack@rabi.phys.columbia.edu>, 1998. + + 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/types.h> +#include <sys/ioctl.h> +#include <sys/stat.h> +#include <termios.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +#include "pty-internal.h" + +#include <stdio-common/_itoa.h> +#include <sys/sysmacros.h> + +/* Given the file descriptor of a master pty, return the pathname + of the associated slave. */ + +static char namebuf[PTYNAMELEN]; +extern const char __ptyname1[], __ptyname2[]; /* defined in getpt.c */ + +char * +ptsname (fd) + int fd; +{ + return __ptsname_r (fd, namebuf, PTYNAMELEN); +} + +char * +__ptsname_r (fd, buf, len) + int fd; + char *buf; + unsigned int len; +{ + char nbuf[PTYNAMELEN], idbuf[6]; + int ptyno; + struct stat st; + +#ifdef TIOCGPTN + static int tiocgptn_works = 1; + if (tiocgptn_works) + { + if (!ioctl (fd, TIOCGPTN, &ptyno)) + goto gotit; + else + { + if(errno != EINVAL) + return 0; + else + tiocgptn_works = 0; + } + } +#endif + /* /dev/ptmx will make it into the kernel before 32 bit dev_t, so + this should be safe. */ + if (fstat (fd, &st)) + return 0; + + ptyno = minor (st.st_rdev); + +#ifdef TIOCGPTN +gotit: +#endif + /* Two different possible naming schemes for pty slaves: + the SVr4 way. */ + + idbuf[5] = '\0'; + stpcpy (stpcpy (nbuf, "/dev/pts/"), + _itoa_word (ptyno, &idbuf[4], 10, 0)); + if (!stat (nbuf, &st)) + { + strncpy (buf, nbuf, len); + return buf; + } + else + if (errno != ENOENT) + return NULL; + + /* ...and the BSD way. */ + nbuf[7] = 'y'; + nbuf[8] = __ptyname1[ptyno / 16]; + nbuf[9] = __ptyname2[ptyno % 16]; + nbuf[10] = '\0'; + + if (stat (nbuf, &st)) + return NULL; + + strncpy (buf, nbuf, len); + return buf; +} +weak_alias (__ptsname_r, ptsname_r) |