mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 04:01:10 +00:00
600927014b
* locale/locale.c: Include errno.h. * locale/localedef.c: Likewise. Tue Sep 19 00:02:06 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu> * Makefile (distclean-1): Remove config.cache, config.log, config.h. (parent-mostlyclean): Remove all flavors of the parent library. * misc/mntent.c (getmntent): Skip multiple whitespace chars between fields. * hurd/hurdstartup.c (_hurd_startup): If RPC returns EXEC_STACK_ARGS flag, get args from stack. If args on stack but have info from RPC, relocate args on stack to make space for struct hurd_startup_data. * elf/dl-object.c: Include errno.h. * posix/execvp.c: Likewise. * dirent/scandir.c: Likewise. * sysdeps/posix/system.c: Likewise. * sysdeps/generic/setenv.c: Likewise. * stdlib/msort.c: Likewise. * stdio/memstream.c: Likewise. * stdio/fclose.c: Likewise. * stdio/getdelim.c: Likewise. * stdio/setvbuf.c: Likewise. * sysdeps/ieee754/ldexp.c: Likewise. * locale/locfile-parse.c: Likewise. * stdlib/lcong48_r.c: Don't check for null argument; let it fault. * stdlib/seed48_r.c: Likewise. * stdlib/srand48_r.c: Likewise. * stdlib/jrand48_r.c: Likewise. * stdlib/nrand48_r.c: Likewise. * misc/search.h: Many decls for hsearch functions.
118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/* Utilities for reading/writing fstab, mtab, etc.
|
|
Copyright (C) 1995 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., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
#include <mntent.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
/* Prepare to begin reading and/or writing mount table entries from the
|
|
beginning of FILE. MODE is as for `fopen'. */
|
|
FILE *
|
|
setmntent (const char *file, const char *mode)
|
|
{
|
|
return fopen (file, mode);
|
|
}
|
|
|
|
/* Close a stream opened with `setmntent'. */
|
|
int
|
|
endmntent (FILE *stream)
|
|
{
|
|
return fclose (stream);
|
|
}
|
|
|
|
|
|
/* Read one mount table entry from STREAM. Returns a pointer to storage
|
|
reused on the next call, or null for EOF or error (use feof/ferror to
|
|
check). */
|
|
struct mntent *
|
|
getmntent (FILE *stream)
|
|
{
|
|
static char *buf;
|
|
static size_t bufsiz;
|
|
static struct mntent m;
|
|
char *head;
|
|
|
|
do
|
|
{
|
|
if (getline (&buf, &bufsiz, stream) < 0)
|
|
return NULL;
|
|
|
|
head = buf + strspn (buf, " \t");
|
|
} while (head[0] == '#'); /* Skip comment lines. */
|
|
|
|
m.mnt_fsname = strsep (&head, " \t") ?: (char *) "";
|
|
if (head)
|
|
head += strspn (head, " \t");
|
|
m.mnt_dir = strsep (&head, " \t") ?: (char *) "";
|
|
if (head)
|
|
head += strspn (head, " \t");
|
|
m.mnt_type = strsep (&head, " \t") ?: (char *) "";
|
|
if (head)
|
|
head += strspn (head, " \t");
|
|
m.mnt_opts = strsep (&head, " \t") ?: (char *) "";
|
|
switch (head ? sscanf (head, " %d %d\n", &m.mnt_freq, &m.mnt_passno) : 0)
|
|
{
|
|
case 0:
|
|
m.mnt_freq = 0;
|
|
case 1:
|
|
m.mnt_passno = 0;
|
|
case 2:
|
|
}
|
|
|
|
return &m;
|
|
}
|
|
|
|
/* Write the mount table entry described by MNT to STREAM.
|
|
Return zero on success, nonzero on failure. */
|
|
int
|
|
addmntent (FILE *stream, const struct mntent *mnt)
|
|
{
|
|
return (fprintf (stream, "%s %s %s %s %d %d\n",
|
|
mnt->mnt_fsname,
|
|
mnt->mnt_dir,
|
|
mnt->mnt_type,
|
|
mnt->mnt_opts,
|
|
mnt->mnt_freq,
|
|
mnt->mnt_passno)
|
|
< 0 ? -1 : 0);
|
|
}
|
|
|
|
/* Search MNT->mnt_opts for an option matching OPT.
|
|
Returns the address of the substring, or null if none found. */
|
|
char *
|
|
hasmntopt (const struct mntent *mnt, const char *opt)
|
|
{
|
|
const size_t optlen = strlen (opt);
|
|
char *rest = mnt->mnt_opts, *p;
|
|
|
|
while ((p = strstr (rest, opt)) != NULL)
|
|
{
|
|
if (p == rest || p[-1] == ',' &&
|
|
(p[optlen] == '\0' ||
|
|
p[optlen] == '=' ||
|
|
p[optlen] == ','))
|
|
return p;
|
|
|
|
rest = strchr (rest, ',');
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|