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434
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1 /* malloc() function that is glibc compatible.
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2
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3 Copyright (C) 1997-1998, 2006-2007, 2009-2010 Free Software Foundation, Inc.
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4
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5 This program is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3, or (at your option)
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8 any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software Foundation,
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17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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18
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19 /* written by Jim Meyering and Bruno Haible */
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20
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21 #include <config.h>
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22 /* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
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23 #ifdef malloc
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24 # define NEED_MALLOC_GNU
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25 # undef malloc
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26 #endif
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27
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28 /* Specification. */
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29 #include <stdlib.h>
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30
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31 #include <errno.h>
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32
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33 /* Call the system's malloc below. */
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34 #undef malloc
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35
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36 /* Allocate an N-byte block of memory from the heap.
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37 If N is zero, allocate a 1-byte block. */
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38
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39 void *
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40 rpl_malloc (size_t n)
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41 {
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42 void *result;
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43
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44 #ifdef NEED_MALLOC_GNU
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45 if (n == 0)
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46 n = 1;
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47 #endif
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48
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49 result = malloc (n);
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50
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51 #if !HAVE_MALLOC_POSIX
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52 if (result == NULL)
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53 errno = ENOMEM;
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54 #endif
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55
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56 return result;
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57 }
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