1 files changed, 83 insertions, 0 deletions
diff --git a/REORG.TODO/libio/bug-rewind.c b/REORG.TODO/libio/bug-rewind.c
new file mode 100644
index 0000000000..1734de285f
--- /dev/null
+++ b/REORG.TODO/libio/bug-rewind.c
@@ -0,0 +1,83 @@
+#include <stdio.h>
+#include <wchar.h>
+
+#define PASSED  0
+#define	FAILED  3
+
+
+static int fd;
+
+static void prepare (void);
+#define PREPARE(argc, argv) prepare ()
+
+
+#define TEST_FUNCTION do_test ()
+static int do_test (void);
+#include "../test-skeleton.c"
+
+
+static void
+prepare (void)
+{
+  fd = create_temp_file ("wrewind.", NULL);
+  if (fd == -1)
+    exit (3);
+}
+
+
+static int
+do_test (void)
+{
+  FILE *fptr;
+  char arg1;
+  char arg2;
+  int ret1, ret2, result, num;
+
+  ret1 = 0;
+  ret2 = 0;
+
+  fptr = fdopen (fd, "w+");
+  if (fptr == NULL)
+    {
+      printf ("Unable to open file.\n");
+      return 1;
+    }
+
+  if (fwprintf (fptr, L"cderf") <= 0)
+    {
+      printf ("Unable to write to file with fwprintf().\n");
+      fclose (fptr);
+      return 2;
+    }
+
+  rewind (fptr);
+  ret1 = fwscanf (fptr, L"%c%c", &arg1, &arg2);
+  if (ret1 != 2)
+    {
+      printf ("first fwscanf returned %d, expected 2\n", ret1);
+      return 3;
+    }
+
+  rewind (fptr);
+  ret2 = fwscanf (fptr, L"%c%n%c", &arg1, &num, &arg2);
+  if (ret2 != 2)
+    {
+      printf ("second fwscanf returned %d, expected 2\n", ret2);
+      return 4;
+    }
+
+  if (arg2 != 'd')
+    {
+      result = FAILED;
+      printf ("rewind after first fwscanf failed\n");
+    }
+  else
+    {
+      printf ("Passed\n");
+      result = PASSED;
+    }
+
+
+  fclose (fptr);
+  return result;
+}