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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /io/tst-openat.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'io/tst-openat.c')
-rw-r--r--io/tst-openat.c209
1 files changed, 0 insertions, 209 deletions
diff --git a/io/tst-openat.c b/io/tst-openat.c
deleted file mode 100644
index 0ceb745..0000000
--- a/io/tst-openat.c
+++ /dev/null
@@ -1,209 +0,0 @@
-#include <dirent.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-
-static void prepare (void);
-#define PREPARE(argc, argv) prepare ()
-
-static int do_test (void);
-#define TEST_FUNCTION do_test ()
-
-#include "../test-skeleton.c"
-
-static int dir_fd;
-
-static void
-prepare (void)
-{
- size_t test_dir_len = strlen (test_dir);
- static const char dir_name[] = "/tst-openat.XXXXXX";
-
- size_t dirbuflen = test_dir_len + sizeof (dir_name);
- char *dirbuf = malloc (dirbuflen);
- if (dirbuf == NULL)
- {
- puts ("out of memory");
- exit (1);
- }
-
- snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name);
- if (mkdtemp (dirbuf) == NULL)
- {
- puts ("cannot create temporary directory");
- exit (1);
- }
-
- add_temp_file (dirbuf);
-
- dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY);
- if (dir_fd == -1)
- {
- puts ("cannot open directory");
- exit (1);
- }
-}
-
-
-static int
-do_test (void)
-{
- /* fdopendir takes over the descriptor, make a copy. */
- int dupfd = dup (dir_fd);
- if (dupfd == -1)
- {
- puts ("dup failed");
- return 1;
- }
- if (lseek (dupfd, 0, SEEK_SET) != 0)
- {
- puts ("1st lseek failed");
- return 1;
- }
-
- /* The directory should be empty safe the . and .. files. */
- DIR *dir = fdopendir (dupfd);
- if (dir == NULL)
- {
- puts ("fdopendir failed");
- return 1;
- }
- struct dirent64 *d;
- while ((d = readdir64 (dir)) != NULL)
- if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
- {
- printf ("temp directory contains file \"%s\"\n", d->d_name);
- return 1;
- }
- closedir (dir);
-
- /* Try to create a file. */
- int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
- if (fd == -1)
- {
- if (errno == ENOSYS)
- {
- puts ("*at functions not supported");
- return 0;
- }
-
- puts ("file creation failed");
- return 1;
- }
- write (fd, "hello", 5);
-
- /* Before closing the file, try using this file descriptor to open
- another file. This must fail. */
- int fd2 = openat (fd, "should-not-work", O_CREAT|O_RDWR, 0666);
- if (fd2 != -1)
- {
- puts ("openat using descriptor for normal file worked");
- return 1;
- }
- if (errno != ENOTDIR)
- {
- puts ("error for openat using descriptor for normal file not ENOTDIR ");
- return 1;
- }
-
- close (fd);
- puts ("file created");
-
- /* fdopendir takes over the descriptor, make a copy. */
- dupfd = dup (dir_fd);
- if (dupfd == -1)
- {
- puts ("dup failed");
- return 1;
- }
- if (lseek (dupfd, 0, SEEK_SET) != 0)
- {
- puts ("2nd lseek failed");
- return 1;
- }
-
- /* The directory should be empty safe the . and .. files. */
- dir = fdopendir (dupfd);
- if (dir == NULL)
- {
- puts ("fdopendir failed");
- return 1;
- }
- bool seen_file = false;
- while ((d = readdir64 (dir)) != NULL)
- if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0)
- {
- if (strcmp (d->d_name, "some-file") != 0)
- {
- printf ("temp directory contains file \"%s\"\n", d->d_name);
- return 1;
- }
-
- seen_file = true;
- }
- closedir (dir);
-
- if (!seen_file)
- {
- puts ("file not created in correct directory");
- return 1;
- }
-
- int cwdfd = open (".", O_RDONLY | O_DIRECTORY);
- if (cwdfd == -1)
- {
- puts ("cannot get descriptor for cwd");
- return 1;
- }
-
- if (fchdir (dir_fd) != 0)
- {
- puts ("1st fchdir failed");
- return 1;
- }
-
- if (unlink ("some-file") != 0)
- {
- puts ("unlink failed");
- return 1;
- }
-
- if (fchdir (cwdfd) != 0)
- {
- puts ("2nd fchdir failed");
- return 1;
- }
-
- close (dir_fd);
- close (cwdfd);
-
- /* With the file descriptor closed the next call must fail. */
- fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
- if (fd != -1)
- {
- puts ("openat using closed descriptor succeeded");
- return 1;
- }
- if (errno != EBADF)
- {
- puts ("openat using closed descriptor did not set EBADF");
- return 1;
- }
-
- fd = openat (-1, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666);
- if (fd != -1)
- {
- puts ("openat using -1 descriptor succeeded");
- return 1;
- }
- if (errno != EBADF)
- {
- puts ("openat using -1 descriptor did not set EBADF");
- return 1;
- }
-
- return 0;
-}