annotate lib/strndup.c @ 627:27b627bebea0

copied from id-utils-3.0k
author Jim Meyering <jim@meyering.net>
date Sun, 23 Jun 1996 17:58:15 +0000
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children 73d1aa5e8298
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1 /* Copyright (C) 1996 Free Software Foundation, Inc.
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2
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3 The GNU C Library is free software; you can redistribute it and/or
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4 modify it under the terms of the GNU Library General Public License as
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5 published by the Free Software Foundation; either version 2 of the
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6 License, or (at your option) any later version.
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7
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8 The GNU C Library is distributed in the hope that it will be useful,
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9 but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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11 Library General Public License for more details.
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12
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13 You should have received a copy of the GNU Library General Public
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14 License along with the GNU C Library; see the file COPYING.LIB. If
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15 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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16 Cambridge, MA 02139, USA. */
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17
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18 #include <config.h>
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19 #include <ansidecl.h>
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20 #include "xstring.h"
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21 #include "xmalloc.h"
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22
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23
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24 /* Duplicate S, returning an identical malloc'd string. */
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25 char *
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26 DEFUN(strndup, (s, n), const char *s AND size_t n)
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27 {
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28 char *new = malloc(n + 1);
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29
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30 if (new == NULL)
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31 return NULL;
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32
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33 memcpy (new, s, n);
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34 new[n] = '\0';
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35
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36 return new;
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37 }