-/* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-The GNU C Library 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.
+ The GNU C Library 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.
-The GNU C Library 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.
+ The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
#include <stdio.h>
#include <string.h>
-#ifndef HAVE_GNU_LD
-#define _sys_errlist sys_errlist
-#define _sys_nerr sys_nerr
-#endif
+extern char *_strerror_internal __P ((int, char *, size_t));
-/* Return a string descibing the errno code in ERRNUM.
+/* Return a string describing the errno code in ERRNUM.
The storage is good only until the next call to strerror.
Writing to the storage causes undefined behavior. */
char *
-DEFUN(strerror, (errnum), int errnum)
+strerror (errnum)
+ int errnum;
{
- if (errnum < 0 || errnum > _sys_nerr)
- {
- static char unknown_error[] = "Unknown error 000000000000000000";
- static char fmt[] = "Unknown error %d";
- size_t len = sprintf(unknown_error, fmt, errnum);
- if (len < sizeof(fmt) - 2)
- return NULL;
- unknown_error[len - 1] = '\0';
- return unknown_error;
- }
-
- return (char *) _sys_errlist[errnum];
+ static char buf[1024];
+ return _strerror_internal (errnum, buf, sizeof buf);
}