import ipfilter 4.1.8 into the vendor branch

1 files changed, 32 insertions, 0 deletions

diff --git a/contrib/ipfilter/lib/printbuf.c b/contrib/ipfilter/lib/printbuf.c
new file mode 100644
index 0000000..f2b7faa
--- /dev/null
+++ b/contrib/ipfilter/lib/printbuf.c
@@ -0,0 +1,32 @@
+/*	$NetBSD$	*/
+
+/*
+ * Copyright (C) 1993-2001 by Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ * Id: printbuf.c,v 1.5.4.1 2004/12/09 19:41:22 darrenr Exp
+ */
+
+#include <ctype.h>
+
+#include "ipf.h"
+
+
+void printbuf(buf, len, zend)
+char *buf;
+int len, zend;
+{
+	char *s, c;
+	int i;
+
+	for (s = buf, i = len; i; i--) {
+		c = *s++;
+		if (ISPRINT(c))
+			putchar(c);
+		else
+			printf("\\%03o", c);
+		if ((c == '\0') && zend)
+			break;
+	}
+}