From 3c80491daa7bdbcc0070e0c03f4d4b8ae75113a1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Storsj=C3=B6?= <martin@martin.st>
Date: Thu, 3 Jun 2010 20:31:29 +0000
Subject: [PATCH] httpauth: Fix the length passed to av_strlcat

Since the buffer always was large enough, this bug didn't have any
effect in practice.

Originally committed as revision 23447 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/httpauth.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/httpauth.c b/libavformat/httpauth.c
index abdee81dec..799f84d17a 100644
--- a/libavformat/httpauth.c
+++ b/libavformat/httpauth.c
@@ -303,7 +303,7 @@ char *ff_http_auth_create_response(HTTPAuthState *state, const char *auth,
         snprintf(authstr, len, "Authorization: Basic ");
         ptr = authstr + strlen(authstr);
         av_base64_encode(ptr, auth_b64_len, auth, strlen(auth));
-        av_strlcat(ptr, "\r\n", len);
+        av_strlcat(ptr, "\r\n", len - (ptr - authstr));
     } else if (state->auth_type == HTTP_AUTH_DIGEST) {
         char *username = av_strdup(auth), *password;