1/* malloc() function that is glibc compatible. 2 3 Copyright (C) 1997, 1998, 2006, 2007 Free Software Foundation, Inc. 4 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. 9 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. 14 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. */ 18 19/* written by Jim Meyering and Bruno Haible */ 20 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 27 28/* Specification. */ 29#include <stdlib.h> 30 31#include <errno.h> 32 33/* Call the system's malloc below. */ 34#undef malloc 35 36/* Allocate an N-byte block of memory from the heap. 37 If N is zero, allocate a 1-byte block. */ 38 39void * 40rpl_malloc (size_t n) 41{ 42 void *result; 43 44#ifdef NEED_MALLOC_GNU 45 if (n == 0) 46 n = 1; 47#endif 48 49 result = malloc (n); 50 51#if !HAVE_MALLOC_POSIX 52 if (result == NULL) 53 errno = ENOMEM; 54#endif 55 56 return result; 57} 58