41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/* Utilities for reading/writing fstab, mtab, etc.
|
|
Copyright (C) 1995, 1996, 1997, 2000 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <mntent.h>
|
|
#include <stdlib.h>
|
|
#include <bits/libc-lock.h>
|
|
|
|
/* We don't want to allocate the static buffer all the time since it
|
|
is not always used (in fact, rather infrequently). Accept the
|
|
extra cost of a `malloc'. */
|
|
static char *getmntent_buffer;
|
|
|
|
/* This is the size of the buffer. This is really big. */
|
|
#define BUFFER_SIZE 4096
|
|
|
|
|
|
static void
|
|
allocate (void)
|
|
{
|
|
getmntent_buffer = (char *) malloc (BUFFER_SIZE);
|
|
}
|
|
|
|
|
|
struct mntent *
|
|
getmntent (FILE *stream)
|
|
{
|
|
static struct mntent m;
|
|
__libc_once_define (static, once);
|
|
__libc_once (once, allocate);
|
|
|
|
if (getmntent_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, &m, getmntent_buffer, BUFFER_SIZE);
|
|
}
|
|
|
|
|
|
/* Make sure the memory is freed if the programs ends while in
|
|
memory-debugging mode and something actually was allocated. */
|
|
static void
|
|
__attribute__ ((unused))
|
|
free_mem (void)
|
|
{
|
|
free (getmntent_buffer);
|
|
}
|
|
|
|
text_set_element (__libc_subfreeres, free_mem);
|