mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 22:30:07 +00:00
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Utilities for reading/writing fstab, mtab, etc.
|
|
Copyright (C) 1995-2023 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
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <mntent.h>
|
|
#include <stdlib.h>
|
|
#include <allocate_once.h>
|
|
|
|
struct mntent_buffer
|
|
{
|
|
struct mntent m;
|
|
char buffer[4096];
|
|
};
|
|
|
|
/* We don't want to allocate the static buffer all the time since it
|
|
is not always used (in fact, rather infrequently). */
|
|
libc_freeres_ptr (static void *mntent_buffer);
|
|
|
|
static void *
|
|
allocate (void *closure)
|
|
{
|
|
return malloc (sizeof (struct mntent_buffer));
|
|
}
|
|
|
|
static void
|
|
deallocate (void *closure, void *ptr)
|
|
{
|
|
free (ptr);
|
|
}
|
|
|
|
struct mntent *
|
|
getmntent (FILE *stream)
|
|
{
|
|
struct mntent_buffer *buffer = allocate_once (&mntent_buffer,
|
|
allocate, deallocate, NULL);
|
|
if (buffer == NULL)
|
|
/* If no core is available we don't have a chance to run the
|
|
program successfully and so returning NULL is an acceptable
|
|
result. */
|
|
return NULL;
|
|
|
|
return __getmntent_r (stream, &buffer->m,
|
|
buffer->buffer, sizeof (buffer->buffer));
|
|
}
|