freebsd-dev/lib/libc/tests/stdio/mkostemp_test.c

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/*-
* Copyright (c) 2013 Jilles Tjoelker
* 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 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.
*/
/*
* Test program for mkostemp().
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
static const char template[] = "mkostemp.XXXXXXXX";
static int testnum;
#define MISCFLAGS (O_APPEND | O_DIRECT | O_SHLOCK | O_EXLOCK | O_SYNC)
static void
test_one(int oflags)
{
char tmpf[sizeof(template)];
struct stat st1, st2;
int fd;
memcpy(tmpf, template, sizeof(tmpf));
fd = mkostemp(tmpf, oflags);
if (fd < 0) {
printf("not ok %d - oflags=%#x "
"mkostemp() reported failure: %s\n",
testnum++, oflags, strerror(errno));
return;
}
if (memcmp(tmpf, template, sizeof(tmpf) - 8 - 1) != 0) {
printf("not ok %d - oflags=%#x "
"returned pathname does not match template: %s\n",
testnum++, oflags, tmpf);
return;
}
do {
if (fcntl(fd, F_GETFD) !=
(oflags & O_CLOEXEC ? FD_CLOEXEC : 0)) {
printf("not ok %d - oflags=%#x "
"close-on-exec flag incorrect\n",
testnum++, oflags);
break;
}
if ((fcntl(fd, F_GETFL) & MISCFLAGS) != (oflags & MISCFLAGS)) {
printf("not ok %d - oflags=%#x "
"open flags incorrect\n",
testnum++, oflags);
break;
}
if (stat(tmpf, &st1) == -1) {
printf("not ok %d - oflags=%#x "
"cannot stat returned pathname %s: %s\n",
testnum++, oflags, tmpf, strerror(errno));
break;
}
if (fstat(fd, &st2) == -1) {
printf("not ok %d - oflags=%#x "
"cannot fstat returned fd %d: %s\n",
testnum++, oflags, fd, strerror(errno));
break;
}
if (!S_ISREG(st1.st_mode) || (st1.st_mode & 0777) != 0600 ||
st1.st_nlink != 1 || st1.st_size != 0) {
printf("not ok %d - oflags=%#x "
"named file attributes incorrect\n",
testnum++, oflags);
break;
}
if (!S_ISREG(st2.st_mode) || (st2.st_mode & 0777) != 0600 ||
st2.st_nlink != 1 || st2.st_size != 0) {
printf("not ok %d - oflags=%#x "
"opened file attributes incorrect\n",
testnum++, oflags);
break;
}
if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) {
printf("not ok %d - oflags=%#x "
"named and opened file do not match\n",
testnum++, oflags);
break;
}
(void)unlink(tmpf);
if (fstat(fd, &st2) == -1)
printf("not ok %d - oflags=%#x "
"cannot fstat returned fd %d again: %s\n",
testnum++, oflags, fd, strerror(errno));
else if (st2.st_nlink != 0)
printf("not ok %d - oflags=%#x "
"st_nlink is not 0 after unlink\n",
testnum++, oflags);
else
printf("ok %d - oflags=%#x\n", testnum++, oflags);
(void)close(fd);
return;
} while (0);
(void)close(fd);
(void)unlink(tmpf);
}
ATF_TC_WITHOUT_HEAD(zero);
ATF_TC_BODY(zero, tc)
{
test_one(0);
}
ATF_TC_WITHOUT_HEAD(O_CLOEXEC);
ATF_TC_BODY(O_CLOEXEC, tc)
{
test_one(O_CLOEXEC);
}
ATF_TC_WITHOUT_HEAD(O_APPEND);
ATF_TC_BODY(O_APPEND, tc)
{
test_one(O_APPEND);
}
ATF_TC_WITHOUT_HEAD(O_APPEND__O_CLOEXEC);
ATF_TC_BODY(O_APPEND__O_CLOEXEC, tc)
{
test_one(O_APPEND|O_CLOEXEC);
}
ATF_TC_WITHOUT_HEAD(bad_flags);
ATF_TC_BODY(bad_flags, tc)
{
char tmpf[sizeof(template)];
memcpy(tmpf, template, sizeof(tmpf));
ATF_REQUIRE_MSG(mkostemp(tmpf, O_CREAT) == -1,
"mkostemp(O_CREAT) succeeded unexpectedly");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, zero);
ATF_TP_ADD_TC(tp, O_CLOEXEC);
ATF_TP_ADD_TC(tp, O_APPEND);
ATF_TP_ADD_TC(tp, O_APPEND__O_CLOEXEC);
ATF_TP_ADD_TC(tp, bad_flags);
return (atf_no_error());
}