Dmitry V. Levin
74769e99cd
* tests/getdents.c: Use SKIP_MAIN_UNDEFINED. (main): Use perror_msg_and_skip.
138 lines
4.3 KiB
C
138 lines
4.3 KiB
C
/*
|
|
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
|
|
* 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. 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.
|
|
*/
|
|
|
|
#include "tests.h"
|
|
#include <sys/syscall.h>
|
|
|
|
#ifdef __NR_getdents
|
|
|
|
# include <assert.h>
|
|
# include <dirent.h>
|
|
# include <fcntl.h>
|
|
# include <stddef.h>
|
|
# include <stdio.h>
|
|
# include <sys/stat.h>
|
|
# include <unistd.h>
|
|
# include "kernel_types.h"
|
|
|
|
static const char fname[] =
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\n"
|
|
"A\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nA\nZ";
|
|
static const char qname[] =
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\n"
|
|
"A\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nA\\nZ";
|
|
|
|
static char buf[8192];
|
|
|
|
static const char *
|
|
str_d_type(const unsigned char d_type)
|
|
{
|
|
switch (d_type) {
|
|
case DT_DIR:
|
|
return "DT_DIR";
|
|
case DT_REG:
|
|
return "DT_REG";
|
|
default:
|
|
return "DT_UNKNOWN";
|
|
}
|
|
}
|
|
static void
|
|
print_dirent(const kernel_dirent *d)
|
|
{
|
|
const unsigned int d_name_offset = offsetof(kernel_dirent, d_name);
|
|
int d_name_len = d->d_reclen - d_name_offset - 1;
|
|
assert(d_name_len > 0);
|
|
|
|
printf("{d_ino=%llu, d_off=%llu, d_reclen=%u, d_name=",
|
|
(unsigned long long) d->d_ino,
|
|
(unsigned long long) d->d_off, d->d_reclen);
|
|
|
|
if (d->d_name[0] == '.')
|
|
printf("\"%.*s\"", d_name_len, d->d_name);
|
|
else
|
|
printf("\"%s\"", qname);
|
|
|
|
printf(", d_type=%s}",
|
|
str_d_type(*((const char *) d + d->d_reclen - 1)));
|
|
}
|
|
|
|
int
|
|
main(int ac, const char **av)
|
|
{
|
|
char *dname;
|
|
int rc;
|
|
|
|
assert(ac == 1);
|
|
assert(asprintf(&dname, "%s.test.tmp.dir", av[0]) > 0);
|
|
assert(!mkdir(dname, 0700));
|
|
assert(!chdir(dname));
|
|
(void) close(0);
|
|
assert(!creat(fname, 0600));
|
|
assert(!close(0));
|
|
assert(!open(".", O_RDONLY | O_DIRECTORY));
|
|
while ((rc = syscall(__NR_getdents, 0, buf, sizeof(buf)))) {
|
|
kernel_dirent *d;
|
|
int i;
|
|
|
|
if (rc < 0)
|
|
perror_msg_and_skip("getdents");
|
|
printf("getdents(0, [");
|
|
for (i = 0; i < rc; i += d->d_reclen) {
|
|
d = (kernel_dirent *) &buf[i];
|
|
if (i)
|
|
printf(", ");
|
|
print_dirent(d);
|
|
}
|
|
printf("], %zu) = %d\n", sizeof(buf), rc);
|
|
}
|
|
printf("getdents(0, [], %zu) = 0\n", sizeof(buf));
|
|
puts("+++ exited with 0 +++");
|
|
assert(!unlink(fname));
|
|
assert(!chdir(".."));
|
|
assert(!rmdir(dname));
|
|
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
SKIP_MAIN_UNDEFINED("__NR_getdents")
|
|
|
|
#endif
|