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398
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1 /* A replacement function, for systems that lack strndup.
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2
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3 Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2005, 2006, 2007, 2009,
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4 2010 Free Software Foundation, Inc.
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5
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6 This program is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 3, or (at your option) any
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9 later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software Foundation,
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18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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19
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20 #include <config.h>
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21
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22 #include <string.h>
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23
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24 #include <stdlib.h>
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25
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26 char *
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27 strndup (char const *s, size_t n)
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28 {
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29 size_t len = strnlen (s, n);
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30 char *new = malloc (len + 1);
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31
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32 if (new == NULL)
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33 return NULL;
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34
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35 new[len] = '\0';
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36 return memcpy (new, s, len);
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37 }
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