forked from KolibriOS/kolibrios
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
|
/* Implement the xstrndup function.
|
||
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
||
|
|
Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
|
||
|
|
|
||
|
|
This file is part of the libiberty library.
|
||
|
|
Libiberty is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
Libiberty 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
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with libiberty; see the file COPYING.LIB. If
|
||
|
|
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
|
||
|
|
Boston, MA 02110-1301, USA. */
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
@deftypefn Replacement char* xstrndup (const char *@var{s}, size_t @var{n})
|
||
|
|
|
||
|
|
Returns a pointer to a copy of @var{s} with at most @var{n} characters
|
||
|
|
without fail, using @code{xmalloc} to obtain memory. The result is
|
||
|
|
always NUL terminated.
|
||
|
|
|
||
|
|
@end deftypefn
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef HAVE_CONFIG_H
|
||
|
|
#include "config.h"
|
||
|
|
#endif
|
||
|
|
#include <sys/types.h>
|
||
|
|
#ifdef HAVE_STRING_H
|
||
|
|
#include <string.h>
|
||
|
|
#else
|
||
|
|
# ifdef HAVE_STRINGS_H
|
||
|
|
# include <strings.h>
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
#include "ansidecl.h"
|
||
|
|
#include "libiberty.h"
|
||
|
|
|
||
|
|
char *
|
||
|
|
xstrndup (const char *s, size_t n)
|
||
|
|
{
|
||
|
|
char *result;
|
||
|
|
size_t len = strlen (s);
|
||
|
|
|
||
|
|
if (n < len)
|
||
|
|
len = n;
|
||
|
|
|
||
|
|
result = XNEWVEC (char, len + 1);
|
||
|
|
|
||
|
|
result[len] = '\0';
|
||
|
|
return (char *) memcpy (result, s, len);
|
||
|
|
}
|