1 /* malloc() function that is glibc compatible. 2 3 Copyright (C) 1997-1998, 2006-2007, 2009-2012 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 3, 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, see <http://www.gnu.org/licenses/>. */ 17 18 /* written by Jim Meyering and Bruno Haible */ 19 20 #define _GL_USE_STDLIB_ALLOC 1 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 1 25 # undef malloc 26 /* Whereas the gnulib module 'malloc-gnu' defines HAVE_MALLOC_GNU. */ 27 #elif GNULIB_MALLOC_GNU && !HAVE_MALLOC_GNU 28 # define NEED_MALLOC_GNU 1 29 #endif 30 31 #include <stdlib.h> 32 33 #include <errno.h> 34 35 /* Allocate an N-byte block of memory from the heap. 36 If N is zero, allocate a 1-byte block. */ 37 38 void * 39 rpl_malloc (size_t n) 40 { 41 void *result; 42 43 #if NEED_MALLOC_GNU 44 if (n == 0) 45 n = 1; 46 #endif 47 48 result = malloc (n); 49 50 #if !HAVE_MALLOC_POSIX 51 if (result == NULL) 52 errno = ENOMEM; 53 #endif 54 55 return result; 56 } 57
