diff options
Diffstat (limited to 'misc/fstab.c')
-rw-r--r-- | misc/fstab.c | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/misc/fstab.c b/misc/fstab.c deleted file mode 100644 index 7da7e2b62b..0000000000 --- a/misc/fstab.c +++ /dev/null @@ -1,186 +0,0 @@ -/* Copyright (C) 1995-2017 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <fstab.h> -#include <mntent.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <libc-lock.h> - -#define BUFFER_SIZE 0x1fc0 - -struct fstab_state -{ - FILE *fs_fp; - char *fs_buffer; - struct mntent fs_mntres; - struct fstab fs_ret; -}; - -static struct fstab_state *fstab_init (int opt_rewind); -static struct mntent *fstab_fetch (struct fstab_state *state); -static struct fstab *fstab_convert (struct fstab_state *state); - -static struct fstab_state fstab_state; - - -int -setfsent (void) -{ - return fstab_init (1) != NULL; -} - - -struct fstab * -getfsent (void) -{ - struct fstab_state *state; - - state = fstab_init (0); - if (state == NULL) - return NULL; - if (fstab_fetch (state) == NULL) - return NULL; - return fstab_convert (state); -} - - -struct fstab * -getfsspec (const char *name) -{ - struct fstab_state *state; - struct mntent *m; - - state = fstab_init (1); - if (state == NULL) - return NULL; - while ((m = fstab_fetch (state)) != NULL) - if (strcmp (m->mnt_fsname, name) == 0) - return fstab_convert (state); - return NULL; -} - - -struct fstab * -getfsfile (const char *name) -{ - struct fstab_state *state; - struct mntent *m; - - state = fstab_init (1); - if (state == NULL) - return NULL; - while ((m = fstab_fetch (state)) != NULL) - if (strcmp (m->mnt_dir, name) == 0) - return fstab_convert (state); - return NULL; -} - - -void -endfsent (void) -{ - struct fstab_state *state; - - state = &fstab_state; - if (state->fs_fp != NULL) - { - (void) __endmntent (state->fs_fp); - state->fs_fp = NULL; - } -} - - -static struct fstab_state * -fstab_init (int opt_rewind) -{ - struct fstab_state *state; - char *buffer; - FILE *fp; - - state = &fstab_state; - - buffer = state->fs_buffer; - if (buffer == NULL) - { - buffer = (char *) malloc (BUFFER_SIZE); - if (buffer == NULL) - return NULL; - state->fs_buffer = buffer; - } - - fp = state->fs_fp; - if (fp != NULL) - { - if (opt_rewind) - rewind (fp); - } - else - { - fp = __setmntent (_PATH_FSTAB, "r"); - if (fp == NULL) - return NULL; - state->fs_fp = fp; - } - - return state; -} - - -static struct mntent * -fstab_fetch (struct fstab_state *state) -{ - return __getmntent_r (state->fs_fp, &state->fs_mntres, - state->fs_buffer, BUFFER_SIZE); -} - - -static struct fstab * -fstab_convert (struct fstab_state *state) -{ - struct mntent *m; - struct fstab *f; - - m = &state->fs_mntres; - f = &state->fs_ret; - - 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) ? FSTAB_RW : - __hasmntopt (m, FSTAB_RQ) ? FSTAB_RQ : - __hasmntopt (m, FSTAB_RO) ? FSTAB_RO : - __hasmntopt (m, FSTAB_SW) ? FSTAB_SW : - __hasmntopt (m, FSTAB_XX) ? FSTAB_XX : - "??"); - f->fs_freq = m->mnt_freq; - f->fs_passno = m->mnt_passno; - return f; -} - - -/* Make sure the memory is freed if the programs ends while in - memory-debugging mode and something actually was allocated. */ -libc_freeres_fn (fstab_free) -{ - char *buffer; - - buffer = fstab_state.fs_buffer; - free ((void *) buffer); -} |