NetBSD/regress/lib/libc/sys/cerror/cerror.c

85 lines
3.0 KiB
C

/* $NetBSD: cerror.c,v 1.2 2003/07/26 19:38:47 salo Exp $ */
/*
* Copyright (c) 2003 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the
* NetBSD Project. See http://www.NetBSD.org/ for
* information about NetBSD.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
*/
/*
* Test program to make sure that libc's cerror (error handler) is doing
* approximately the right thing for both 32-bit and 64-bit error returns.
*/
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: cerror.c,v 1.2 2003/07/26 19:38:47 salo Exp $");
__COPYRIGHT(
"@(#) Copyright (c) 2003 Christopher G. Demetriou. All rights reserved.\n");
#endif /* not lint */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#define ERROR(x) do { fprintf(stderr, "%s\n", x); errs++; } while (0)
int
main(int argc, char *argv[])
{
int rv_int;
off_t rv_off;
int errs = 0;
/* Make sure file desc 4 is closed. */
(void)close(4);
/* Check error and 32-bit return code. */
errno = 0;
rv_int = close(4);
if (errno != EBADF)
ERROR("close() on closed FD didn't set errno to EBADF");
if (rv_int != -1)
ERROR("close() on closed FD didn't return -1");
/* Check error and 64-bit return code. */
errno = 0;
rv_off = lseek(4, (off_t)0, SEEK_SET);
if (errno != EBADF)
ERROR("lseek() on closed FD didn't set errno to EBADF");
if (rv_off != (off_t)-1)
ERROR("lseek() on closed FD didn't return -1");
exit(errs == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
}