msg_parser_util.c: fixed msg_header_find_item().

darcs-hash:20061031200332-65a35-9e4fcf0cc7c0ffd5f6a6945328948984feb775f3.gz

libsofia-sip-ua/msg/msg_parser_util.c

@@ -1104,14 +1104,16 @@ int msg_header_update_params(msg_common_t *h, int clear)
 char const *msg_header_find_item(msg_common_t const *h, char const *item)
 {
   if (h && h->h_class->hc_params) {
-    msg_param_t const **params = (msg_param_t const **)
+    char const * const * items = 
+      *(char const * const * const *)
       ((char *)h + h->h_class->hc_params);
 
-    for (; *params; params++) {
-      if (strcmp(item, *params) == 0) {
-	return *params;
+    if (items)
+      for (; *items; items++) {
+	if (strcmp(item, *items) == 0) {
+	  return *items;
+	}
       }
-    }
   }
 
   return NULL;

libsofia-sip-ua/msg/test_msg.c

@@ -468,6 +468,7 @@ int test_header_parsing(void)
     ce = msg_content_encoding_make(home, "zip, zap, zup, lz, zl, zz, ll");
     TEST_1(ce);
     TEST_S(msg_header_find_param(ce->k_common, "zz"), "");
+    TEST_S(msg_header_find_item(ce->k_common, "zz"), "zz");
     TEST(msg_header_find_param(ce->k_common, "k"), NULL);
     TEST(msg_header_add_param(home, ce->k_common, "zip"), 0);
     TEST(msg_header_remove_param(ce->k_common, "zip"), 1);