swab.c.patch   [plain text]

--- swab.c.orig	2004-08-03 14:33:13.000000000 -0700
+++ swab.c	2004-08-03 15:05:03.000000000 -0700
@@ -43,12 +43,14 @@
 #include <string.h>
 
 void
-swab(const void * __restrict from, void * __restrict to, size_t len)
+swab(const void * __restrict from, void * __restrict to, ssize_t len)
 {
 	unsigned long temp;
 	int n;
 	char *fp, *tp;
 
+	if (len <= 0)
+		return;
 	n = len >> 1;
 	fp = (char *)from;
 	tp = (char *)to;