xref: /onnv-gate/usr/src/lib/libparted/common/lib/xstrndup.c (revision 9663:ace9a2ac3683)
1*9663SMark.Logan@Sun.COM /* Duplicate a bounded initial segment of a string, with out-of-memory
2*9663SMark.Logan@Sun.COM    checking.
3*9663SMark.Logan@Sun.COM    Copyright (C) 2003, 2006, 2007 Free Software Foundation, Inc.
4*9663SMark.Logan@Sun.COM 
5*9663SMark.Logan@Sun.COM    This program is free software; you can redistribute it and/or modify
6*9663SMark.Logan@Sun.COM    it under the terms of the GNU General Public License as published by
7*9663SMark.Logan@Sun.COM    the Free Software Foundation; either version 2, or (at your option)
8*9663SMark.Logan@Sun.COM    any later version.
9*9663SMark.Logan@Sun.COM 
10*9663SMark.Logan@Sun.COM    This program is distributed in the hope that it will be useful,
11*9663SMark.Logan@Sun.COM    but WITHOUT ANY WARRANTY; without even the implied warranty of
12*9663SMark.Logan@Sun.COM    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13*9663SMark.Logan@Sun.COM    GNU General Public License for more details.
14*9663SMark.Logan@Sun.COM 
15*9663SMark.Logan@Sun.COM    You should have received a copy of the GNU General Public License
16*9663SMark.Logan@Sun.COM    along with this program; if not, write to the Free Software Foundation,
17*9663SMark.Logan@Sun.COM    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18*9663SMark.Logan@Sun.COM 
19*9663SMark.Logan@Sun.COM #include <config.h>
20*9663SMark.Logan@Sun.COM 
21*9663SMark.Logan@Sun.COM /* Specification.  */
22*9663SMark.Logan@Sun.COM #include "xstrndup.h"
23*9663SMark.Logan@Sun.COM 
24*9663SMark.Logan@Sun.COM #include <string.h>
25*9663SMark.Logan@Sun.COM #include "xalloc.h"
26*9663SMark.Logan@Sun.COM 
27*9663SMark.Logan@Sun.COM /* Return a newly allocated copy of at most N bytes of STRING.
28*9663SMark.Logan@Sun.COM    In other words, return a copy of the initial segment of length N of
29*9663SMark.Logan@Sun.COM    STRING.  */
30*9663SMark.Logan@Sun.COM char *
xstrndup(const char * string,size_t n)31*9663SMark.Logan@Sun.COM xstrndup (const char *string, size_t n)
32*9663SMark.Logan@Sun.COM {
33*9663SMark.Logan@Sun.COM   char *s = strndup (string, n);
34*9663SMark.Logan@Sun.COM   if (! s)
35*9663SMark.Logan@Sun.COM     xalloc_die ();
36*9663SMark.Logan@Sun.COM   return s;
37*9663SMark.Logan@Sun.COM }
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