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annotate lib/realloc.c @ 7292:17785d5bede0

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Fix docstrings
author Sergey Poznyakoff <gray@gnu.org.ua>
date Sun, 10 Sep 2006 11:52:44 +0000
parents 96c32553b4c6
children 8a1a9361108c
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1 /* realloc() function that is glibc compatible.
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2 Copyright (C) 1997, 2003, 2004 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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17
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18 /* written by Jim Meyering */
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19
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20 #ifdef HAVE_CONFIG_H
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21 # include <config.h>
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22 #endif
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23 #undef realloc
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24
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25 #include <stdlib.h>
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27 /* Change the size of an allocated block of memory P to N bytes,
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28 with error checking. If N is zero, change it to 1. If P is NULL,
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29 use malloc. */
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30
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31 void *
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32 rpl_realloc (void *p, size_t n)
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33 {
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34 if (n == 0)
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35 {
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36 n = 1;
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37
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38 /* In theory realloc might fail, so don't rely on it to free. */
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39 free (p);
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40 p = NULL;
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41 }
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42
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43 if (p == NULL)
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44 return malloc (n);
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45 return realloc (p, n);
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46 }