1 /* Utilities for reading/writing fstab, mtab, etc.
2 Copyright (C) 1995, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 #include <bits/libc-lock.h>
24 /* We don't want to allocate the static buffer all the time since it
25 is not always used (in fact, rather infrequently). Accept the
26 extra cost of a `malloc'. */
27 libc_freeres_ptr (static char *getmntent_buffer
);
29 /* This is the size of the buffer. This is really big. */
30 #define BUFFER_SIZE 4096
36 getmntent_buffer
= (char *) malloc (BUFFER_SIZE
);
41 getmntent (FILE *stream
)
43 static struct mntent m
;
44 __libc_once_define (static, once
);
45 __libc_once (once
, allocate
);
47 if (getmntent_buffer
== NULL
)
48 /* If no core is available we don't have a chance to run the
49 program successfully and so returning NULL is an acceptable
53 return __getmntent_r (stream
, &m
, getmntent_buffer
, BUFFER_SIZE
);