117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
/* Copyright (C) 1995, 1996, 1997 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 <fstab.h>
|
|
#include <mntent.h>
|
|
#include <stdio.h>
|
|
|
|
static FILE *fstab;
|
|
static struct mntent mntres;
|
|
static char buffer[8192];
|
|
|
|
|
|
static FILE *
|
|
fstab_stream (void)
|
|
{
|
|
if (! fstab)
|
|
fstab = setmntent (_PATH_FSTAB, "r");
|
|
return fstab;
|
|
}
|
|
|
|
int
|
|
setfsent (void)
|
|
{
|
|
if (fstab)
|
|
{
|
|
rewind (fstab);
|
|
return 1;
|
|
}
|
|
else
|
|
fstab = setmntent (_PATH_FSTAB, "r");
|
|
return fstab ? 0 : 1;
|
|
}
|
|
|
|
static struct fstab *
|
|
internal_function
|
|
mnt2fs (struct mntent *m)
|
|
{
|
|
static struct fstab f;
|
|
|
|
if (m == NULL)
|
|
return NULL;
|
|
|
|
f.fs_spec = m->mnt_fsname;
|
|
f.fs_file = m->mnt_dir;
|
|
f.fs_vfstype = m->mnt_type;
|
|
f.fs_mntops = m->mnt_opts;
|
|
f.fs_type = (hasmntopt (m, FSTAB_RW) ? (char *) FSTAB_RW :
|
|
hasmntopt (m, FSTAB_RQ) ? (char *) FSTAB_RQ :
|
|
hasmntopt (m, FSTAB_RO) ? (char *) FSTAB_RO :
|
|
hasmntopt (m, FSTAB_SW) ? (char *) FSTAB_SW :
|
|
hasmntopt (m, FSTAB_XX) ? (char *) FSTAB_XX :
|
|
(char *) "??");
|
|
f.fs_freq = m->mnt_freq;
|
|
f.fs_passno = m->mnt_passno;
|
|
return &f;
|
|
}
|
|
|
|
struct fstab *
|
|
getfsent (void)
|
|
{
|
|
FILE *s = fstab_stream ();
|
|
|
|
if (! s)
|
|
return NULL;
|
|
|
|
return mnt2fs (__getmntent_r (s, &mntres, buffer, sizeof buffer));
|
|
}
|
|
|
|
struct fstab *
|
|
getfsspec (name)
|
|
register const char *name;
|
|
{
|
|
struct mntent *m;
|
|
if (setfsent ())
|
|
while (m = __getmntent_r (fstab, &mntres, buffer, sizeof buffer))
|
|
if (!strcmp (m->mnt_fsname, name))
|
|
return mnt2fs (m);
|
|
return NULL;
|
|
}
|
|
|
|
struct fstab *
|
|
getfsfile (name)
|
|
register const char *name;
|
|
{
|
|
struct mntent *m;
|
|
if (setfsent ())
|
|
while (m = __getmntent_r (fstab, &mntres, buffer, sizeof buffer))
|
|
if (!strcmp (m->mnt_dir, name))
|
|
return mnt2fs (m);
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
endfsent ()
|
|
{
|
|
if (fstab)
|
|
{
|
|
(void) endmntent (fstab);
|
|
fstab = NULL;
|
|
}
|
|
}
|