diff options
Diffstat (limited to 'io/tst-linkat.c')
-rw-r--r-- | io/tst-linkat.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/io/tst-linkat.c b/io/tst-linkat.c deleted file mode 100644 index d63c982..0000000 --- a/io/tst-linkat.c +++ /dev/null @@ -1,171 +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-linkat.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); - puts ("file created"); - - struct stat64 st1; - if (fstat64 (fd, &st1) != 0) - { - puts ("fstat64 failed"); - return 1; - } - - close (fd); - - if (linkat (dir_fd, "some-file", dir_fd, "another-file", 0) != 0) - { - puts ("symlinkat failed"); - return 1; - } - - struct stat64 st2; - if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0) - { - puts ("fstatat64 failed"); - return 1; - } - if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) - { - puts ("file changed after symlinkat"); - return 1; - } - - if (fstatat64 (dir_fd, "another-file", &st2, AT_SYMLINK_NOFOLLOW) != 0) - { - puts ("2nd fstatat64 failed"); - return 1; - } - if (S_ISLNK (st2.st_mode)) - { - puts ("2nd fstatat64 shows file is a symlink"); - return 1; - } - if (st1.st_dev != st2.st_dev - || st1.st_ino != st2.st_ino - || st1.st_size != st2.st_size) - { - puts ("stat results for linked file do not match"); - return 1; - } - - if (fstatat64 (dir_fd, "another-file", &st2, 0) != 0) - { - puts ("3rd fstatat64 failed"); - return 1; - } - if (st1.st_dev != st2.st_dev - || st1.st_ino != st2.st_ino - || st1.st_size != st2.st_size) - { - puts ("stat results do not match"); - return 1; - } - - if (unlinkat (dir_fd, "another-file", 0) != 0) - { - puts ("unlinkat failed"); - return 1; - } - if (unlinkat (dir_fd, "some-file", 0) != 0) - { - puts ("2nd unlinkat failed"); - return 1; - } - - close (dir_fd); - - return 0; -} |