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diff src/core/ngx_string.c @ 483:3a4102b00f97 NGINX_0_7_49

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nginx 0.7.49 *) Change: a segmentation fault might occur in worker process, if the $arg_... variables were used; the bug had appeared in 0.7.48.
author Igor Sysoev <http://sysoev.ru>
date Mon, 06 Apr 2009 00:00:00 +0400
parents 09f0ef15d544
children 09b45263c817
line wrap: on
line diff
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -703,6 +703,10 @@ ngx_strlcasestrn(u_char *s1, u_char *las
 {
     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;