/* Implement the strndup function.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2017 Free Software Foundation, Inc.
Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
This file is part of the libiberty library.
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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA. */
/*
*/
#include "ansidecl.h"
-#ifdef ANSI_PROTOTYPES
#include <stddef.h>
-#else
-#define size_t unsigned long
-#endif
-extern size_t strlen PARAMS ((const char*));
-extern PTR malloc PARAMS ((size_t));
-extern PTR memcpy PARAMS ((PTR, const PTR, size_t));
+extern size_t strnlen (const char *s, size_t maxlen);
+extern PTR malloc (size_t);
+extern PTR memcpy (PTR, const PTR, size_t);
char *
-strndup(s, n)
- const char *s;
- size_t n;
+strndup (const char *s, size_t n)
{
char *result;
- size_t len = strlen (s);
+ size_t len = strnlen (s, n);
- if (n < len)
- len = n;
-
- result = malloc (len + 1);
+ result = (char *) malloc (len + 1);
if (!result)
return 0;
result[len] = '\0';
- return memcpy (result, s, len);
+ return (char *) memcpy (result, s, len);
}