From: Igor Sysoev <igor@sysoev.ru>
Date: Mon, 17 Nov 2008 08:04:41 +0000 (+0000)
Subject: fix compression pointer for big (>255) DNS responses
X-Git-Tag: release-0.7.22~3
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=b3ac4fb27ce15a813e4a5d5eb3b979a8279c3132;p=nginx.git

fix compression pointer for big (>255) DNS responses
---

diff --git a/src/core/ngx_resolver.c b/src/core/ngx_resolver.c
index f4bbe19d4..05b44c771 100644
--- a/src/core/ngx_resolver.c
+++ b/src/core/ngx_resolver.c
@@ -1866,7 +1866,7 @@ ngx_resolver_copy(ngx_resolver_t *r, ngx_str_t *name, u_char *buf, u_char *src,
         }
 
         if (n & 0xc0) {
-            n = (n & 0x3f << 8) + *p;
+            n = ((n & 0x3f) << 8) + *p;
             p = &buf[n];
 
         } else {
@@ -1916,7 +1916,7 @@ done:
             }
 
         } else {
-            n = (n & 0x3f << 8) + *src;
+            n = ((n & 0x3f) << 8) + *src;
             src = &buf[n];
 
             n = *src++;