[Feature][T106]ZXW P56U09 code

Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No

Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/stdio-common/bug23.c b/ap/libc/glibc/glibc-2.23/stdio-common/bug23.c
new file mode 100644
index 0000000..dcc5428
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdio-common/bug23.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <string.h>
+
+static char buf[32768];
+static const char expected[] = "\
+\n\
+a\n\
+abbcd55%%%%%%%%%%%%%%%%%%%%%%%%%%\n";
+
+static int
+do_test (void)
+{
+  snprintf (buf, sizeof (buf),
+	    "\n%1$s\n" "%1$s" "%2$s" "%2$s" "%3$s" "%4$s" "%5$d" "%5$d"
+	    "%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n",
+	    "a", "b", "c", "d", 5);
+  return strcmp (buf, expected) != 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"