+++ /dev/null
-/* realloc() function that is glibc compatible.
-
- Copyright (C) 1997, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* written by Jim Meyering and Bruno Haible */
-
-#include <config.h>
-
-/* Only the AC_FUNC_REALLOC macro defines 'realloc' already in config.h. */
-#ifdef realloc
-# define NEED_REALLOC_GNU 1
-#endif
-
-/* Infer the properties of the system's malloc function.
- Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
-#if GNULIB_MALLOC_GNU && !defined malloc
-# define SYSTEM_MALLOC_GLIBC_COMPATIBLE 1
-#endif
-
-/* Below we want to call the system's malloc and realloc.
- Undefine the symbols here so that including <stdlib.h> provides a
- declaration of malloc(), not of rpl_malloc(), and likewise for realloc. */
-#undef malloc
-#undef realloc
-
-/* Specification. */
-#include <stdlib.h>
-
-#include <errno.h>
-
-/* Below we want to call the system's malloc and realloc.
- Undefine the symbols, if they were defined by gnulib's <stdlib.h>
- replacement. */
-#undef malloc
-#undef realloc
-
-/* Change the size of an allocated block of memory P to N bytes,
- with error checking. If N is zero, change it to 1. If P is NULL,
- use malloc. */
-
-void *
-rpl_realloc (void *p, size_t n)
-{
- void *result;
-
-#if NEED_REALLOC_GNU
- if (n == 0)
- {
- n = 1;
-
- /* In theory realloc might fail, so don't rely on it to free. */
- free (p);
- p = NULL;
- }
-#endif
-
- if (p == NULL)
- {
-#if GNULIB_REALLOC_GNU && !NEED_REALLOC_GNU && !SYSTEM_MALLOC_GLIBC_COMPATIBLE
- if (n == 0)
- n = 1;
-#endif
- result = malloc (n);
- }
- else
- result = realloc (p, n);
-
-#if !HAVE_REALLOC_POSIX
- if (result == NULL)
- errno = ENOMEM;
-#endif
-
- return result;
-}