curl: convert to generic object payload

src/ccurl_thread.c

@@ -184,6 +184,11 @@ void *ccurl_thread(void *arg)
  * This is where the $curl section begins.
  */
 
+struct curl_data {
+	char uri[128];
+	float interval;
+};
+
 /* internal location pointer for use by $curl, no touchy */
 static ccurl_location_t *ccurl_locations_head = 0;
 
@@ -221,24 +226,37 @@ void ccurl_process_info(char *p, int p_max_size, char *uri, int interval)
 void curl_parse_arg(struct text_object *obj, const char *arg)
 {
 	int argc;
+	struct curl_data *cd;
 	float interval = 0;
-	char *uri = (char *) malloc(128 * sizeof(char));
 
-	argc = sscanf(arg, "%127s %f", uri, &interval);
+	cd = malloc(sizeof(struct curl_data));
+	memset(cd, 0, sizeof(struct curl_data));
+
+	argc = sscanf(arg, "%127s %f", cd->uri, &interval);
 	if (argc < 1) {
-		free(uri);
+		free(cd);
 		NORM_ERR("wrong number of arguments for $curl");
 		return;
 	}
-	obj->data.curl.uri = uri;
-	obj->data.curl.interval = interval > 0 ? interval * 60 : 15*60;
+	cd->interval = interval > 0 ? interval * 60 : 15*60;
+	obj->data.opaque = cd;
 }
 
 void curl_print(struct text_object *obj, char *p, int p_max_size)
 {
-	if (!obj->data.curl.uri) {
+	struct curl_data *cd = obj->data.opaque;
+
+	if (!cd || !cd->uri) {
 		NORM_ERR("error processing Curl data");
 		return;
 	}
-	ccurl_process_info(p, p_max_size, obj->data.curl.uri, obj->data.curl.interval);
+	ccurl_process_info(p, p_max_size, cd->uri, cd->interval);
+}
+
+void curl_obj_free(struct text_object *obj)
+{
+	if (obj->data.opaque) {
+		free(obj->data.opaque);
+		obj->data.opaque = NULL;
+	}
 }

src/ccurl_thread.h

@@ -68,6 +68,7 @@ void ccurl_process_info(char *p, int p_max_size, char *uri, int interval);
 
 void curl_parse_arg(struct text_object *, const char *);
 void curl_print(struct text_object *, char *, int);
+void curl_obj_free(struct text_object *);
 
 /* $curl exports end */
 

src/core.c

@@ -1549,7 +1549,7 @@ void free_text_objects(struct text_object *root, int internal)
 #endif
 #ifdef HAVE_CURL
 			case OBJ_curl:
-				free(data.curl.uri);
+				curl_obj_free(obj);
 				break;
 #endif
 #ifdef RSS

src/text_object.h

@@ -487,12 +487,6 @@ struct text_object {
 		struct {
 			int a, b;
 		} pair;			/* 2 */
-#ifdef HAVE_CURL
-		struct {
-			char *uri;
-			float interval;
-		} curl;
-#endif
 		struct {
 			char *text;
 			unsigned int show;