commit f3aed53c9d6d2cd3a54d3c5c66ae0f8e0deecc5e
author Igor Sysoev <igor@sysoev.ru> Mon Apr 06 10:38:40 2009 +0000
committer Igor Sysoev <igor@sysoev.ru> Mon Apr 06 10:38:40 2009 +0000
tree cc878f723ee5b29953e8e2277949a2231d4a19ff
parent e94b22b1432842d1b1ee0785f49e349398d90b5c

fix ngx_strlcasestrn()

src/core/ngx_string.c

diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
index fbde1c2..8f2a171 100644
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -703,6 +703,10 @@
 {
     ngx_uint_t  c1, c2;
 
+    if (s1 <= last) {
+        return NULL;
+    }
+
     c2 = (ngx_uint_t) *s2++;
     c2  = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
     last -= n;