diff options
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/tst-wfile-sync.c | 27 | ||||
| -rw-r--r-- | libio/tst-wfile-sync.input | 1 |
2 files changed, 24 insertions, 4 deletions
diff --git a/libio/tst-wfile-sync.c b/libio/tst-wfile-sync.c index d279019349..f2415dbfca 100644 --- a/libio/tst-wfile-sync.c +++ b/libio/tst-wfile-sync.c @@ -16,22 +16,43 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +#include <fcntl.h> #include <locale.h> #include <stdio.h> +#include <stdlib.h> +#include <string.h> #include <wchar.h> #include <support/check.h> +#include <support/xstdio.h> #include <support/xunistd.h> +#include <support/temp_file.h> + +static const char test_data[] = "This is a test of _IO_wfile_sync."; static int do_test (void) { + static char *infile; + int infd; + FILE *infp; + + infd = create_temp_file ("tst-wfile-sync-in-", &infile); + xwrite (infd, test_data, strlen (test_data)); + xclose (infd); + + infd = xopen (infile, O_RDONLY, 0); + infp = fdopen (infd, "r"); + TEST_VERIFY_EXIT (setlocale (LC_ALL, "de_DE.UTF-8") != NULL); /* Fill the stdio buffer and advance the read pointer. */ - TEST_VERIFY_EXIT (fgetwc (stdin) != WEOF); + TEST_VERIFY_EXIT (fgetwc (infp) != WEOF); /* This calls _IO_wfile_sync, it should not crash. */ - TEST_VERIFY_EXIT (setvbuf (stdin, NULL, _IONBF, 0) == 0); + TEST_VERIFY_EXIT (setvbuf (infp, NULL, _IONBF, 0) == 0); /* Verify that the external file offset has been synchronized. */ - TEST_COMPARE (xlseek (0, 0, SEEK_CUR), 1); + TEST_COMPARE (xlseek (infd, 0, SEEK_CUR), 1); + + fclose (infp); + free (infile); return 0; } diff --git a/libio/tst-wfile-sync.input b/libio/tst-wfile-sync.input deleted file mode 100644 index 12d0958f7a..0000000000 --- a/libio/tst-wfile-sync.input +++ /dev/null @@ -1 +0,0 @@ -This is a test of _IO_wfile_sync. |