add isl_pw_qpolynomial_upper_bound
[barvinok.git] / lib / malloc.c
blobeba131d1f273049bbc0f3137ff48f193dee686e1
1 /* malloc() function that is glibc compatible.
3 Copyright (C) 1997, 1998, 2006, 2007 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 any later version.
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19 /* written by Jim Meyering and Bruno Haible */
21 #include <config.h>
22 /* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
23 #ifdef malloc
24 # define NEED_MALLOC_GNU
25 # undef malloc
26 #endif
28 /* Specification. */
29 #include <stdlib.h>
31 #include <errno.h>
33 /* Call the system's malloc below. */
34 #undef malloc
36 /* Allocate an N-byte block of memory from the heap.
37 If N is zero, allocate a 1-byte block. */
39 void *
40 rpl_malloc (size_t n)
42 void *result;
44 #ifdef NEED_MALLOC_GNU
45 if (n == 0)
46 n = 1;
47 #endif
49 result = malloc (n);
51 #if !HAVE_MALLOC_POSIX
52 if (result == NULL)
53 errno = ENOMEM;
54 #endif
56 return result;