commit 4c56d2cd8df737a053cedbd5bb098746ca15cf42
Author: Kirill A. Korinskiy <catap@catap.ru>
Date:   Fri Jul 17 17:34:39 2009 +0400

    Fix a md5 result string

diff --git a/src/http/ngx_http_variables.c b/src/http/ngx_http_variables.c
index bd64108..4218e3b 100644
--- a/src/http/ngx_http_variables.c
+++ b/src/http/ngx_http_variables.c
@@ -1002,9 +1002,9 @@ ngx_http_variable_md5(ngx_http_request_t *r, ngx_http_variable_value_t *v,
     ngx_str_t *name = (ngx_str_t *) data;
 
     ngx_str_t  sub_name;
-    ngx_uint_t key;
+    ngx_uint_t key, i;
     ngx_md5_t  md5;
-    uint32_t   hash[4];
+    u_char     hash[16], *p;
 
     ngx_http_variable_value_t *vv;
 
@@ -1036,7 +1036,11 @@ ngx_http_variable_md5(ngx_http_request_t *r, ngx_http_variable_value_t *v,
     ngx_md5_update(&md5, vv->data, vv->len);
     ngx_md5_final((u_char*)hash, &md5);
 
-    ngx_sprintf(v->data, "%08XD%08XD%08XD%08XD", hash[0], hash[1], hash[2], hash[3]);
+    p = v->data;
+
+    for (i = 0; i < 16; i++) {
+	p = ngx_sprintf(p, "%01XD", hash[i]);
+    }
 
     v->valid = 1;
     v->not_found = 0;