1 files changed, 23 insertions, 0 deletions

diff --git a/src/regress/lib/libc/vis/vis_test.c b/src/regress/lib/libc/vis/vis_test.c
new file mode 100644
index 0000000000..40e5d9f503
--- /dev/null
+++ b/src/regress/lib/libc/vis/vis_test.c
@@ -0,0 +1,23 @@
+/*      $OpenBSD */
+
+/* Public domain. 2005, Otto Moerbeek */
+
+#include <limits.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <vis.h>
+
+int
+main()
+{
+        char inp[UCHAR_MAX + 1];
+        char out[4 * UCHAR_MAX + 1];
+        int i;
+
+        for (i = 0; i <= UCHAR_MAX; i++) {
+                inp[i] = i;
+        }
+        strvisx(out, inp, UCHAR_MAX + 1, 0);
+        printf("%s\n", out);
+        exit(0);
+}