X-Git-Url: https://git.saurik.com/apple/libc.git/blobdiff_plain/1f2f436a38f7ae2d39a943ad2898d8fed4ed2e58..refs/heads/master:/string/FreeBSD/swab.c

diff --git a/string/FreeBSD/swab.c b/string/FreeBSD/swab.c
index fae6e56..1d55327 100644
--- a/string/FreeBSD/swab.c
+++ b/string/FreeBSD/swab.c
@@ -45,6 +45,8 @@ swab(const void * __restrict from, void * __restrict to, ssize_t len)
 	int n;
 	char *fp, *tp;
 
+	if (len <= 0)
+		return;
 	n = len >> 1;
 	fp = (char *)from;
 	tp = (char *)to;