From: Amos Jeffries <amosjeffries@squid-cache.org>
Date: Sat, 20 Mar 2010 11:04:40 +0000 (-0600)
Subject: Correct buffer calculation for snprintf
X-Git-Tag: SQUID_3_2_0_1~346
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cc63048221c467b6a70d969092dceb63ee1dff27;p=thirdparty%2Fsquid.git

Correct buffer calculation for snprintf
---

diff --git a/lib/rfc1738.c b/lib/rfc1738.c
index f76da407fe..6158375686 100644
--- a/lib/rfc1738.c
+++ b/lib/rfc1738.c
@@ -133,7 +133,7 @@ rfc1738_do_escape(const char *url, int flags)
          * allocated - KA */
 
         if (do_escape == 1) {
-            (void) snprintf(q, 3, "%%%02X", (unsigned char) *p);
+            (void) snprintf(q, (bufsize-(p-buf)), "%%%02X", (unsigned char) *p);
             q += sizeof(char) * 2;
         } else {
             *q = *p;