whitespace regression test from Andy Shevchenko

regress/lib/libc/stdio/Makefile

@@ -1,5 +1,5 @@
-# $NetBSD: Makefile,v 1.2 2006/02/28 19:30:45 kleink Exp $
+# $NetBSD: Makefile,v 1.3 2008/08/28 16:40:05 christos Exp $
 
-SUBDIR+= printf scanf
+SUBDIR+= printf scanf sscanf
 
 .include <bsd.subdir.mk>

regress/lib/libc/stdio/sscanf/Makefile

@@ -0,0 +1,11 @@
+#	$NetBSD: Makefile,v 1.1 2008/08/28 16:40:05 christos Exp $
+
+NOMAN=		# defined
+
+PROG=		sscanf
+WARNS?=		1
+
+regress: ${PROG}
+	./${PROG}
+
+.include <bsd.prog.mk>

regress/lib/libc/stdio/sscanf/sscanf.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <err.h>
+
+static const char str[] = "\f\n\r\t\v%z";
+int
+main(void)
+{
+        /* set of "white space" symbols from isspace(3) */
+        char c = 0;
+        (void)sscanf(str, "%%%c", &c);
+	if (c != 'z')
+		errx(1, "expected `%c', got `%c'", 'z', c);
+        return 0;
+}