| 1 | /* malloc() function that is glibc compatible. |
| 2 | |
| 3 | Copyright (C) 1997-1998, 2006-2007, 2009-2016 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 | } |