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* misc/mntent.c: New file. * misc/mntent.h: New file. * misc/Makefile (headers): Added mntent.h. (routines): Added mntent. * misc/fstab.c: Rewritten using mntent functions. Mon Sep 11 14:00:14 1995 Roland McGrath <roland@whiz-bang.gnu.ai.mit.edu> * posix/glob.c (glob): Comment fix.
110 lines
2.3 KiB
C
110 lines
2.3 KiB
C
/*
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Copyright (C) 1995 Free Software Foundation, Inc.
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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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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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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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static FILE *fstab;
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static FILE *
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fstab_stream (void)
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{
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if (! fstab)
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fstab = setmntent (_PATH_FSTAB, "r");
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return fstab;
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}
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int
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setfsent (void)
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{
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if (fstab)
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{
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rewind (fstab);
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return 1;
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}
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else
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fstab = setmntent (_PATH_FSTAB, "r");
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return fstab ? 0 : 1;
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}
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static struct fstab *
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mnt2fs (struct mntent *m)
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{
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static struct fstab f;
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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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f.fs_type = (hasmntopt (m, FSTAB_RW) ? (char *) FSTAB_RW :
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hasmntopt (m, FSTAB_RQ) ? (char *) FSTAB_RQ :
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hasmntopt (m, FSTAB_RO) ? (char *) FSTAB_RO :
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hasmntopt (m, FSTAB_SW) ? (char *) FSTAB_SW :
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hasmntopt (m, FSTAB_XX) ? (char *) FSTAB_XX :
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(char *) "??");
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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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struct fstab *
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getfsent (void)
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{
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FILE *s = fstab_stream ();
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if (! s)
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return NULL;
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return mnt2fs (getmntent (s));
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}
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struct fstab *
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getfsspec (name)
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register const char *name;
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{
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struct mntent *m;
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if (setfsent ())
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while (m = getmntent (fstab))
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if (!strcmp (m->mnt_fsname, name))
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return mnt2fs (m);
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return NULL;
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}
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struct fstab *
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getfsfile (name)
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register const char *name;
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{
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struct mntent *m;
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if (setfsent ())
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while (m = getmntent (fstab))
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if (!strcmp (m->mnt_dir, name))
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return mnt2fs (m);
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return NULL;
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}
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void
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endfsent ()
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{
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if (fstab)
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{
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(void) endmntent (fstab);
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fstab = NULL;
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}
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}
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