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-rw-r--r--libio/tst-wfile-sync.c27
-rw-r--r--libio/tst-wfile-sync.input1
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.