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/*-
* Copyright (c) 2007 Dag-Erling Coïdan Smørgrav
* 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
* in this position and unchanged.
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <sys/fcntl.h>
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libutil.h>
/*
* Test that flopen() can create a file.
*/
const char *
test_flopen_create(void)
{
const char *fn = "test_flopen_create";
const char *result = NULL;
int fd;
unlink(fn);
fd = flopen(fn, O_RDWR|O_CREAT, 0640);
if (fd < 0) {
result = strerror(errno);
} else {
close(fd);
}
unlink(fn);
return (result);
}
/*
* Test that flopen() can open an existing file.
*/
const char *
test_flopen_open(void)
{
const char *fn = "test_flopen_open";
const char *result = NULL;
int fd;
fd = open(fn, O_RDWR|O_CREAT, 0640);
if (fd < 0) {
result = strerror(errno);
} else {
close(fd);
fd = flopen(fn, O_RDWR);
if (fd < 0) {
result = strerror(errno);
} else {
close(fd);
}
}
unlink(fn);
return (result);
}
/*
* Test that flopen() can lock against itself
*/
const char *
test_flopen_lock_self(void)
{
const char *fn = "test_flopen_lock";
const char *result = NULL;
int fd1, fd2;
unlink(fn);
fd1 = flopen(fn, O_RDWR|O_CREAT, 0640);
if (fd1 < 0) {
result = strerror(errno);
} else {
fd2 = flopen(fn, O_RDWR|O_NONBLOCK);
if (fd2 >= 0) {
result = "second open succeeded";
close(fd2);
}
close(fd1);
}
unlink(fn);
return (result);
}
/*
* Test that flopen() can lock against other processes
*/
const char *
test_flopen_lock_other(void)
{
const char *fn = "test_flopen_lock";
const char *result = NULL;
volatile int fd1, fd2;
unlink(fn);
fd1 = flopen(fn, O_RDWR|O_CREAT, 0640);
if (fd1 < 0) {
result = strerror(errno);
} else {
fd2 = -42;
if (vfork() == 0) {
fd2 = flopen(fn, O_RDWR|O_NONBLOCK);
close(fd2);
_exit(0);
}
if (fd2 == -42)
result = "vfork() doesn't work as expected";
if (fd2 >= 0)
result = "second open succeeded";
close(fd1);
}
unlink(fn);
return (result);
}
static struct test {
const char *name;
const char *(*func)(void);
} t[] = {
{ "flopen_create", test_flopen_create },
{ "flopen_open", test_flopen_open },
{ "flopen_lock_self", test_flopen_lock_self },
{ "flopen_lock_other", test_flopen_lock_other },
};
int
main(void)
{
const char *result;
int i, nt;
nt = sizeof(t) / sizeof(*t);
printf("1..%d\n", nt);
for (i = 0; i < nt; ++i) {
if ((result = t[i].func()) != NULL)
printf("not ok %d - %s # %s\n", i + 1,
t[i].name, result);
else
printf("ok %d - %s\n", i + 1,
t[i].name);
}
exit(0);
}
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