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/* Duplicate a bounded initial segment of a string, with out-of-memory
checking.
Copyright (C) 2003, 2006-2007, 2009-2013 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include "xstrndup.h"
#include <string.h>
#include <stdlib.h>
#include "xalloc.h"
#if defined(_MSC_VER)
static char *
strndup(char const *s, size_t n)
{
size_t len = strnlen(s, n);
char *new = malloc(len + 1);
if (new == NULL)
return NULL;
new[len] = '\0';
return memcpy(new, s, len);
}
#endif
/* Return a newly allocated copy of at most N bytes of STRING.
In other words, return a copy of the initial segment of length N of
STRING. */
char *
xstrndup (const char *string, size_t n)
{
char *s = strndup (string, n);
if (! s)
xalloc_die ();
return s;
}
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