diff options
Diffstat (limited to 'newlib/libc/sys/linux/mntent.c')
-rw-r--r-- | newlib/libc/sys/linux/mntent.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/newlib/libc/sys/linux/mntent.c b/newlib/libc/sys/linux/mntent.c deleted file mode 100644 index ecd223f50..000000000 --- a/newlib/libc/sys/linux/mntent.c +++ /dev/null @@ -1,76 +0,0 @@ -/* 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 <libc-symbols.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; - static int once; - - do { - if (__pthread_once != NULL) - __pthread_once (&once, allocate); - else if (once == 0) { - allocate (); - once = !(0); - } - } while (0); - - - 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); |