2018-01-01 08:32:25 +08:00
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/* Copyright (C) 1995-2018 Free Software Foundation, Inc.
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1997-01-30 12:09:36 +08:00
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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2001-07-06 12:58:11 +08:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1997-01-30 12:09:36 +08:00
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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2001-07-06 12:58:11 +08:00
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Lesser General Public License for more details.
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1997-01-30 12:09:36 +08:00
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2001-07-06 12:58:11 +08:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-10 07:18:22 +08:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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1995-02-18 09:27:10 +08:00
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1995-09-14 17:00:06 +08:00
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#include <fstab.h>
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#include <mntent.h>
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#include <stdio.h>
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1998-02-26 19:20:59 +08:00
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#include <stdlib.h>
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2000-04-22 15:19:25 +08:00
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#include <string.h>
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2015-09-09 05:11:03 +08:00
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#include <libc-lock.h>
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1995-02-18 09:27:10 +08:00
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1998-02-26 19:20:59 +08:00
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#define BUFFER_SIZE 0x1fc0
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update from main archive 960921
Sun Sep 22 03:40:52 1996 Ulrich Drepper <drepper@cygnus.com>
* resolv/resolv.h: Update to bind-4.9.5-T4B.
* resolv/base64.c: Likewise.
* resolv/res_debug.c: Likewise.
* resolv/res_query.c: Likewise.
* resolv/gethnamaddr.c: Likewise.
* nss/nss_dns/dns-host.c: Likewise.
* resolv/res_comp.c: Likewise.
* resolv/res_send.c: Likewise.
* resolv/arpa/nameser.h: Likewise. Attention: MAXDNAME is much
higher now.
* resolv/Banner: New file.
* resolv/Makefile (distribute): Add Banner.
Sat Sep 21 19:15:24 1996 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/stub/getsysstats.c: New file.
* sysdeps/unix/sysv/linux/getsysstats.c: New file.
* misc/Makefile (headers): Add sys/sysinfo.h.
(routines): Add getsysstats.
* sysdeps/unix/sysv/linux/Makefile [$(subdir)==misc]
(sysdep_headers): Remove sys/sysinfo.h.
* sysdeps/generic/sys/sysinfo.h: New file.
* sysdeps/unix/sysv/linux/sys/sysinfo.h: Add prototype for get_nprocs,
get_phys_pages, and get_avphys_pages.
* misc/Makefile (routines): Add mntent_r.
* misc/mntent_r.c: New file.
* misc/mntent.c: Remove all functions but getmntent and use
__getmntent_r.
* misc/mntent.h: Add prototype for __getmntent_r.
* misc/fstab.c: Use __getmntent_r function instead of getmntent.
This will not clobber the state in getmntent.
* sysdeps/generic/confname.h: Add _SC_PROCESSORS_CONF,
_SC_NPROCESSORS_ONLN, _SC_PHYS_PAGES, _SC_AVPHYS_PAGES,
_SC_ATEXIT_MAX, and _SC_PASS_MAX.
* sysdeps/stub/sysconf.c: Add handling _SC_PROCESSORS_CONF and
_SC_NPROCESSORS_ONLN by calling __get_nprocs, _SC_PHYS_PAGES by
calling __get_phys_pages, _SY_AVPHYS_PAGES by calling
__get_avphys_pages, _SC_ATEXIT_MAX and _SC_PASS_MAX.
* sysdeps/posix/sysconf.c: Likewise.
* posix/getconf.c (vars): Add _NPROCESSORS_CONF, _NPROCESSORS_ONLN,
_PHYS_PAGES, _AVPHYS_PAGES, ATEXIT_MAX, and PASS_MAX entries.
Sat Sep 21 05:20:36 1996 Ulrich Drepper <drepper@cygnus.com>
* version.h (VERSION): Bump to 1.95.
* Make-dist (+tsrcs): Don't filter out files in subdirs which
match files in the sysdeps hierachy (welcome back,
sys/syscall.h!).
* resolv/Makefile (libresolv-routines): Remove getnetnamad.
Sat Sep 21 03:00:19 1996 Ulrich Drepper <drepper@cygnus.com>
* locale/loadlocale.c (_nl_free_locale): Remove function.
* locale/localeinfo.h: Remove prototype for _nl_free_locale.
* locale/setlocale.c (setlocale): Don't free locale data of
categories which succeeded to load after a wrong or missing data
file was observed.
* locale/setlocale (setlocale): Initialize NEWNAME correctly so
that it works even when the locale data is not used.
* stdlib/random_r.c: Fix typo in comment.
* stdlib/drand48-iter.c: Likewise.
* stdlib/drand48.c: Likewise.
* stdlib/erand48.c: Likewise.
* stdlib/jrand48.c: Likewise.
* stdlib/lcong48.c: Likewise.
* stdlib/lrand48.c: Likewise.
* stdlib/mrand48.c: Likewise.
* stdlib/nrand48.c: Likewise.
* stdlib/random.c: Likewise.
* stdlib/seed48.c: Likewise.
* stdlib/srand48.c: Likewise.
* misc/search.h: Likewise.
* misc/hsearch.c: Likewise.
* misc/hsearch_r.c: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location):
Thu Sep 19 23:36:19 1996 Thomas Bushnell, n/BSG <thomas@gnu.ai.mit.edu>
* hurd/hurdinit.c (__libc_argv): Provide common decl.
(_hurd_setproc): Don't declare __libc_argv here.
1996-09-22 11:06:42 +08:00
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1998-02-26 19:20:59 +08:00
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struct fstab_state
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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FILE *fs_fp;
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char *fs_buffer;
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struct mntent fs_mntres;
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struct fstab fs_ret;
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};
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static struct fstab_state *fstab_init (int opt_rewind);
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static struct mntent *fstab_fetch (struct fstab_state *state);
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static struct fstab *fstab_convert (struct fstab_state *state);
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static struct fstab_state fstab_state;
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1995-02-18 09:27:10 +08:00
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1995-09-14 17:00:06 +08:00
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int
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setfsent (void)
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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return fstab_init (1) != NULL;
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1995-02-18 09:27:10 +08:00
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}
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struct fstab *
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1995-09-14 17:00:06 +08:00
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getfsent (void)
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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struct fstab_state *state;
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1995-09-14 17:00:06 +08:00
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1998-02-26 19:20:59 +08:00
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state = fstab_init (0);
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if (state == NULL)
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1995-09-14 17:00:06 +08:00
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return NULL;
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1998-02-26 19:20:59 +08:00
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if (fstab_fetch (state) == NULL)
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return NULL;
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return fstab_convert (state);
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1995-02-18 09:27:10 +08:00
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}
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1998-02-26 19:20:59 +08:00
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1995-09-14 17:00:06 +08:00
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struct fstab *
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2015-10-17 04:21:49 +08:00
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getfsspec (const char *name)
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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struct fstab_state *state;
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1995-09-14 17:00:06 +08:00
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struct mntent *m;
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1998-02-26 19:20:59 +08:00
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state = fstab_init (1);
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if (state == NULL)
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return NULL;
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while ((m = fstab_fetch (state)) != NULL)
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if (strcmp (m->mnt_fsname, name) == 0)
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return fstab_convert (state);
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1995-09-14 17:00:06 +08:00
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return NULL;
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1995-02-18 09:27:10 +08:00
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}
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1998-02-26 19:20:59 +08:00
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1995-09-14 17:00:06 +08:00
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struct fstab *
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2015-10-17 04:21:49 +08:00
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getfsfile (const char *name)
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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struct fstab_state *state;
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1995-09-14 17:00:06 +08:00
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struct mntent *m;
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1998-02-26 19:20:59 +08:00
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state = fstab_init (1);
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if (state == NULL)
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return NULL;
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while ((m = fstab_fetch (state)) != NULL)
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if (strcmp (m->mnt_dir, name) == 0)
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return fstab_convert (state);
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1995-09-14 17:00:06 +08:00
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return NULL;
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1995-02-18 09:27:10 +08:00
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}
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1998-02-26 19:20:59 +08:00
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1995-09-14 17:00:06 +08:00
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void
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2013-06-08 08:22:23 +08:00
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endfsent (void)
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1995-02-18 09:27:10 +08:00
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{
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1998-02-26 19:20:59 +08:00
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struct fstab_state *state;
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state = &fstab_state;
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if (state->fs_fp != NULL)
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1995-09-14 17:00:06 +08:00
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{
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1998-07-16 19:44:36 +08:00
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(void) __endmntent (state->fs_fp);
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1998-02-26 19:20:59 +08:00
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state->fs_fp = NULL;
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1995-09-14 17:00:06 +08:00
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}
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1995-02-18 09:27:10 +08:00
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}
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1998-02-26 19:20:59 +08:00
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static struct fstab_state *
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fstab_init (int opt_rewind)
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{
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struct fstab_state *state;
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char *buffer;
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FILE *fp;
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state = &fstab_state;
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buffer = state->fs_buffer;
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if (buffer == NULL)
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{
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buffer = (char *) malloc (BUFFER_SIZE);
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if (buffer == NULL)
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return NULL;
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state->fs_buffer = buffer;
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}
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fp = state->fs_fp;
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if (fp != NULL)
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{
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if (opt_rewind)
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rewind (fp);
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}
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else
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{
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1998-07-16 19:44:36 +08:00
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fp = __setmntent (_PATH_FSTAB, "r");
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1998-02-26 19:20:59 +08:00
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if (fp == NULL)
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return NULL;
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state->fs_fp = fp;
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}
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return state;
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}
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static struct mntent *
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fstab_fetch (struct fstab_state *state)
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{
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return __getmntent_r (state->fs_fp, &state->fs_mntres,
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state->fs_buffer, BUFFER_SIZE);
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}
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static struct fstab *
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fstab_convert (struct fstab_state *state)
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{
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struct mntent *m;
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struct fstab *f;
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m = &state->fs_mntres;
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f = &state->fs_ret;
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f->fs_spec = m->mnt_fsname;
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f->fs_file = m->mnt_dir;
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f->fs_vfstype = m->mnt_type;
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f->fs_mntops = m->mnt_opts;
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1998-07-16 19:44:36 +08:00
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f->fs_type = (__hasmntopt (m, FSTAB_RW) ? FSTAB_RW :
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__hasmntopt (m, FSTAB_RQ) ? FSTAB_RQ :
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__hasmntopt (m, FSTAB_RO) ? FSTAB_RO :
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__hasmntopt (m, FSTAB_SW) ? FSTAB_SW :
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__hasmntopt (m, FSTAB_XX) ? FSTAB_XX :
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"??");
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f->fs_freq = m->mnt_freq;
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f->fs_passno = m->mnt_passno;
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return f;
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}
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/* Make sure the memory is freed if the programs ends while in
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memory-debugging mode and something actually was allocated. */
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2002-11-02 04:44:15 +08:00
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libc_freeres_fn (fstab_free)
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1998-02-26 19:20:59 +08:00
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{
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char *buffer;
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buffer = fstab_state.fs_buffer;
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2008-05-27 14:04:07 +08:00
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free ((void *) buffer);
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1998-02-26 19:20:59 +08:00
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}
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