diff options
Diffstat (limited to 'libio/bug-fclose1.c')
-rw-r--r-- | libio/bug-fclose1.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/libio/bug-fclose1.c b/libio/bug-fclose1.c deleted file mode 100644 index f1e09f5d47..0000000000 --- a/libio/bug-fclose1.c +++ /dev/null @@ -1,132 +0,0 @@ -// BZ #12724 - -static void do_prepare (void); -#define PREPARE(argc, argv) do_prepare () -static int do_test (void); -#define TEST_FUNCTION do_test() -#include "../test-skeleton.c" - - -static int fd; - - -static void -do_prepare (void) -{ - fd = create_temp_file ("bug-fclose1.", NULL); - if (fd == -1) - { - printf ("cannot create temporary file: %m\n"); - exit (1); - } -} - - -static int -do_test (void) -{ - static const char pattern[] = "hello world"; - - /* Prepare a seekable file. */ - if (write (fd, pattern, sizeof pattern) != sizeof pattern) - { - printf ("cannot write pattern: %m\n"); - return 1; - } - if (lseek (fd, 1, SEEK_SET) != 1) - { - printf ("cannot seek after write: %m\n"); - return 1; - } - - /* Create an output stream visiting the file; when it is closed, all - other file descriptors visiting the file must see the new file - position. */ - int fd2 = dup (fd); - if (fd2 < 0) - { - printf ("cannot duplicate descriptor for writing: %m\n"); - return 1; - } - FILE *f = fdopen (fd2, "w"); - if (f == NULL) - { - printf ("first fdopen failed: %m\n"); - return 1; - } - if (fputc (pattern[1], f) != pattern[1]) - { - printf ("fputc failed: %m\n"); - return 1; - } - if (fclose (f) != 0) - { - printf ("first fclose failed: %m\n"); - return 1; - } - errno = 0; - if (lseek (fd2, 0, SEEK_CUR) != -1) - { - printf ("lseek after fclose after write did not fail\n"); - return 1; - } - if (errno != EBADF) - { - printf ("lseek after fclose after write did not fail with EBADF: %m\n"); - return 1; - } - off_t o = lseek (fd, 0, SEEK_CUR); - if (o != 2) - { - printf ("\ -lseek on original descriptor after first fclose returned %ld, expected 2\n", - (long int) o); - return 1; - } - - /* Likewise for an input stream. */ - fd2 = dup (fd); - if (fd2 < 0) - { - printf ("cannot duplicate descriptor for reading: %m\n"); - return 1; - } - f = fdopen (fd2, "r"); - if (f == NULL) - { - printf ("second fdopen failed: %m\n"); - return 1; - } - char c = fgetc (f); - if (c != pattern[2]) - { - printf ("getc returned %c, expected %c\n", c, pattern[2]); - return 1; - } - if (fclose (f) != 0) - { - printf ("second fclose failed: %m\n"); - return 1; - } - errno = 0; - if (lseek (fd2, 0, SEEK_CUR) != -1) - { - printf ("lseek after fclose after read did not fail\n"); - return 1; - } - if (errno != EBADF) - { - printf ("lseek after fclose after read did not fail with EBADF: %m\n"); - return 1; - } - o = lseek (fd, 0, SEEK_CUR); - if (o != 3) - { - printf ("\ -lseek on original descriptor after second fclose returned %ld, expected 3\n", - (long int) o); - return 1; - } - - return 0; -} |