From 61d38d61e269dbfdb47fb97870f8f88b473cb571 Mon Sep 17 00:00:00 2001
From: Ed Schouten <ed@FreeBSD.org>
Date: Tue, 2 Feb 2010 19:02:08 +0000
Subject: [PATCH] Implement strndup(3) using strnlen(3).

This makes the implementation a bit more consistent with strdup(3),
which uses strlen(3).
---
 lib/libc/string/strndup.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/libc/string/strndup.c b/lib/libc/string/strndup.c
index 56aa6a83a2e..abb1e030eee 100644
--- a/lib/libc/string/strndup.c
+++ b/lib/libc/string/strndup.c
@@ -42,9 +42,7 @@ strndup(const char *str, size_t n)
 	size_t len;
 	char *copy;
 
-	for (len = 0; len < n && str[len]; len++)
-		continue;
-
+	len = strnlen(str, n);
 	if ((copy = malloc(len + 1)) == NULL)
 		return (NULL);
 	memcpy(copy, str, len);