|
Packit |
6c4009 |
#include <dirent.h>
|
|
Packit |
6c4009 |
#include <fcntl.h>
|
|
Packit |
6c4009 |
#include <stdbool.h>
|
|
Packit |
6c4009 |
#include <stdio.h>
|
|
Packit |
6c4009 |
#include <stdlib.h>
|
|
Packit |
6c4009 |
#include <string.h>
|
|
Packit |
6c4009 |
#include <unistd.h>
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static void prepare (void);
|
|
Packit |
6c4009 |
#define PREPARE(argc, argv) prepare ()
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static int do_test (void);
|
|
Packit |
6c4009 |
#define TEST_FUNCTION do_test ()
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
#include "../test-skeleton.c"
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static int dir_fd;
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static void
|
|
Packit |
6c4009 |
prepare (void)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
size_t test_dir_len = strlen (test_dir);
|
|
Packit |
6c4009 |
static const char dir_name[] = "/tst-unlinkat.XXXXXX";
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
size_t dirbuflen = test_dir_len + sizeof (dir_name);
|
|
Packit |
6c4009 |
char *dirbuf = malloc (dirbuflen);
|
|
Packit |
6c4009 |
if (dirbuf == NULL)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("out of memory");
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
|
|
Packit |
6c4009 |
if (mkdtemp (dirbuf) == NULL)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("cannot create temporary directory");
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
add_temp_file (dirbuf);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
|
|
Packit |
6c4009 |
if (dir_fd == -1)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("cannot open directory");
|
|
Packit |
6c4009 |
exit (1);
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
static int
|
|
Packit |
6c4009 |
do_test (void)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
/* fdopendir takes over the descriptor, make a copy. */
|
|
Packit |
6c4009 |
int dupfd = dup (dir_fd);
|
|
Packit |
6c4009 |
if (dupfd == -1)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("dup failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (lseek (dupfd, 0, SEEK_SET) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("1st lseek failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* The directory should be empty safe the . and .. files. */
|
|
Packit |
6c4009 |
DIR *dir = fdopendir (dupfd);
|
|
Packit |
6c4009 |
if (dir == NULL)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("fdopendir failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
struct dirent64 *d;
|
|
Packit |
6c4009 |
while ((d = readdir64 (dir)) != NULL)
|
|
Packit |
6c4009 |
if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("temp directory contains file \"%s\"\n", d->d_name);
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
closedir (dir);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Try to create a file. */
|
|
Packit |
6c4009 |
int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
|
|
Packit |
6c4009 |
if (fd == -1)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (errno == ENOSYS)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("*at functions not supported");
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
puts ("file creation failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
write (fd, "hello", 5);
|
|
Packit |
6c4009 |
close (fd);
|
|
Packit |
6c4009 |
puts ("file created");
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* fdopendir takes over the descriptor, make a copy. */
|
|
Packit |
6c4009 |
dupfd = dup (dir_fd);
|
|
Packit |
6c4009 |
if (dupfd == -1)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("2nd dup failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
if (lseek (dupfd, 0, SEEK_SET) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("2nd lseek failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* The directory should be empty safe the . and .. files. */
|
|
Packit |
6c4009 |
dir = fdopendir (dupfd);
|
|
Packit |
6c4009 |
if (dir == NULL)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("2nd fdopendir failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
bool seen_file = false;
|
|
Packit |
6c4009 |
while ((d = readdir64 (dir)) != NULL)
|
|
Packit |
6c4009 |
if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (strcmp (d->d_name, "some-file") != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("temp directory contains file \"%s\"\n", d->d_name);
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
seen_file = true;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
closedir (dir);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
if (!seen_file)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("file not created in correct directory");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* Remove the file now. */
|
|
Packit |
6c4009 |
if (unlinkat (dir_fd, "some-file", 0) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("unlinkat failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* We won't need dir_fd anymore after this, so use it. */
|
|
Packit |
6c4009 |
if (lseek (dir_fd, 0, SEEK_SET) != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("3rd lseek failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
/* The directory should be empty safe the . and .. files. */
|
|
Packit |
6c4009 |
dir = fdopendir (dir_fd);
|
|
Packit |
6c4009 |
if (dir == NULL)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("3rd fdopendir failed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
while ((d = readdir64 (dir)) != NULL)
|
|
Packit |
6c4009 |
if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
if (strcmp (d->d_name, "some-file") == 0)
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
puts ("some-file not removed");
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
else
|
|
Packit |
6c4009 |
{
|
|
Packit |
6c4009 |
printf ("temp directory contains file \"%s\"\n", d->d_name);
|
|
Packit |
6c4009 |
return 1;
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
}
|
|
Packit |
6c4009 |
closedir (dir);
|
|
Packit |
6c4009 |
|
|
Packit |
6c4009 |
return 0;
|
|
Packit |
6c4009 |
}
|