Merged revisions 183386 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r183386 | dvossel | 2009-03-19 14:40:07 -0500 (Thu, 19 Mar 2009) | 6 lines
  
  Cleaning up a few things in detect disconnect patch
  
  Initialized ast_call_feature in detect_disconnect to avoid accessing uninitialized memory.  Cleaned up /param tags in features.h.  No longer send dynamic features in ast_feature_detect. 
  
  issue #11583
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@183436 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_dial.c

@@ -1107,7 +1107,7 @@ static struct ast_channel *wait_for_answer(struct ast_channel *in,
 static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode)
 {
 	struct ast_flags features = { AST_FEATURE_DISCONNECT }; /* only concerned with disconnect feature */
-	struct ast_call_feature feature;
+	struct ast_call_feature feature = { 0, };
 	int res;
 
 	ast_str_append(&featurecode, 1, "%c", code);

include/asterisk/features.h

@@ -131,7 +131,11 @@ void ast_register_feature(struct ast_call_feature *feature);
 void ast_unregister_feature(struct ast_call_feature *feature);
 
 /*! \brief detect a feature before bridging 
-    \para chan, ast_flags ptr, code, ast_call_feature ptr to be set if found */
+    \param chan
+    \param ast_flags ptr
+    \param char ptr of input code
+    \retval ast_call_feature ptr to be set if found 
+    \return result, was feature found or not */
 int ast_feature_detect(struct ast_channel *chan, struct ast_flags *features, char *code, struct ast_call_feature *feature);
 
 /*! \brief look for a call feature entry by its sname

main/features.c

@@ -2110,12 +2110,7 @@ static int feature_interpret(struct ast_channel *chan, struct ast_channel *peer,
 
 int ast_feature_detect(struct ast_channel *chan, struct ast_flags *features, char *code, struct ast_call_feature *feature) {
 
-	char *dynamic_features;
+	return feature_interpret_helper(chan, NULL, NULL, code, 0, NULL, features, 0, feature);
-	ast_channel_lock(chan);
-	dynamic_features = ast_strdupa(S_OR(pbx_builtin_getvar_helper(chan, "DYNAMIC_FEATURES"),""));
-	ast_channel_unlock(chan);
-
-	return feature_interpret_helper(chan, NULL, NULL, code, 0, dynamic_features, features, 0, feature);
 }
 
 static void set_config_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config)