glibc/string/strerror.c

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1995-02-18 02:27:10 +01:00
/* Copyright (C) 1991, 1993, 1994 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 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. */
#include <ansidecl.h>
#include <stdio.h>
#include <string.h>
extern char *_strerror_internal __P ((int, char buf[1024]));
/* Return a string descibing 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)
{
static char buf[1024];
return _strerror_internal (errnum, buf);
}