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diff src/core/ngx_string.c @ 504:706fef7f4dcc NGINX_0_7_64

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nginx 0.7.64 *) Security: now SSL/TLS renegotiation is disabled. Thanks to Maxim Dounin. *) Bugfix: nginx sent gzipped responses to clients those do not support gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared in 0.7.63. *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld were defined, then the name .sub.domain.tld was matched by .domain.tld. *) Bugfix: segmentation fault and infinite looping in resolver. *) Bugfix: in resolver. Thanks to Artem Bokhan. *) Bugfix: resolver cache poisoning. Thanks to Matthew Dempsky. *) Bugfix: memory leak in resolver. Thanks to Matthew Dempsky.
author Igor Sysoev <http://sysoev.ru>
date Mon, 16 Nov 2009 00:00:00 +0300
parents 89dc5654117c
children b9fdcaf2062b
line wrap: on
line diff
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -820,6 +820,37 @@ ngx_memn2cmp(u_char *s1, u_char *s2, siz
 
 
 ngx_int_t
+ngx_dns_strcmp(u_char *s1, u_char *s2)
+{
+    ngx_uint_t  c1, c2;
+
+    for ( ;; ) {
+        c1 = (ngx_uint_t) *s1++;
+        c2 = (ngx_uint_t) *s2++;
+
+        c1 = (c1 >= 'A' && c1 <= 'Z') ? (c1 | 0x20) : c1;
+        c2 = (c2 >= 'A' && c2 <= 'Z') ? (c2 | 0x20) : c2;
+
+        if (c1 == c2) {
+
+            if (c1) {
+                continue;
+            }
+
+            return 0;
+        }
+
+        /* in ASCII '.' > '-', but we need '.' to be the lowest character */
+
+        c1 = (c1 == '.') ? ' ' : c1;
+        c2 = (c2 == '.') ? ' ' : c2;
+
+        return c1 - c2;
+    }
+}
+
+
+ngx_int_t
 ngx_atoi(u_char *line, size_t n)
 {
     ngx_int_t  value;