1 /* Duplicate a bounded initial segment of a string, with out-of-memory 2 checking. 3 Copyright (C) 2003, 2006-2007, 2009-2012 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 of the License, or 8 (at your option) 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 #include <config.h> 19 20 /* Specification. */ 21 #include "xstrndup.h" 22 23 #include <string.h> 24 #include "xalloc.h" 25 26 /* Return a newly allocated copy of at most N bytes of STRING. 27 In other words, return a copy of the initial segment of length N of 28 STRING. */ 29 char * 30 xstrndup (const char *string, size_t n) 31 { 32 char *s = strndup (string, n); 33 if (! s) 34 xalloc_die (); 35 return s; 36 } 37