tests: Replace various function calls with their x variant

With fortification enabled, few function calls return result need to be
checked, has they get the __wur macro enabled.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/misc/tst-error1.c b/misc/tst-error1.c
index 9c4a62fbd0..75d4edf476 100644
--- a/misc/tst-error1.c
+++ b/misc/tst-error1.c
@@ -5,11 +5,13 @@
 #include <wchar.h>
 #include <libc-diag.h>
 
+#include <support/xstdio.h>
+
 static int
 do_test (int argc, char *argv[])
 {
   mtrace ();
-  (void) freopen (argc == 1 ? "/dev/stdout" : argv[1], "a", stderr);
+  xfreopen (argc == 1 ? "/dev/stdout" : argv[1], "a", stderr);
   /* Orient the stream.  */
   fwprintf (stderr, L"hello world\n");
   char buf[20000];