NetBSD/regress/lib/libposix/prename.c

101 lines
2.8 KiB
C

/* $NetBSD: prename.c,v 1.3 2008/04/28 20:23:05 martin Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
int main(void)
{
int errors = 0;
struct stat sb;
(void)unlink("t1");
(void)unlink("t2");
if (creat("t1", 0600) < 0) {
perror("create t1");
exit(1);
}
if (link("t1", "t2")) {
perror("link t1 t2");
exit(1);
}
/* Check if rename to same name works as expected */
if (rename("t1", "t1")) {
perror("rename t1 t1");
errors++;
}
if (stat("t1", &sb)) {
perror("rename removed file? stat t1");
exit(1);
}
if (rename("t1", "t2")) {
perror("rename t1 t2");
errors++;
}
#if BSD_RENAME
/* check if rename of hardlinked file works the BSD way */
if (stat("t1", &sb)) {
if (errno != ENOENT) {
perror("BSD rename should remove file! stat t1");
errors++;
}
} else {
fprintf(stderr, "BSD rename should remove file!");
errors++;
}
#else
/* check if rename of hardlinked file works as the standard says */
if (stat("t1", &sb)) {
perror("Posix rename should not remove file! stat t1");
errors++;
}
#endif
/* check if we get the expected error */
/* this also exercises icky shared libraries goo */
if (rename("no/such/file/or/dir", "no/such/file/or/dir")) {
if (errno != ENOENT) {
perror("rename no/such/file/or/dir");
errors++;
}
} else {
fprintf(stderr, "No error renaming no/such/file/or/dir\n");
errors++;
}
exit(errors ? 1 : 0);
}