constification for switch_core_hash_find and switch_event_create_subclass

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4251 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_core.h

@@ -886,7 +886,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_hash_delete(switch_hash_t *hash, cha
   \param key the key to retrieve
   \return a pointer to the data held in the key
 */
-SWITCH_DECLARE(void *) switch_core_hash_find(switch_hash_t *hash, char *key);
+SWITCH_DECLARE(void *) switch_core_hash_find(switch_hash_t *hash, const char *key);
 ///\}
 
 ///\defgroup timer Timer Functions

src/include/switch_event.h

@@ -139,7 +139,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_shutdown(void);
   \param subclass_name the subclass name for custom event (only valid when event_id is SWITCH_EVENT_CUSTOM)
   \return SWITCH_STATUS_SUCCESS on success
 */
-SWITCH_DECLARE(switch_status_t) switch_event_create_subclass(switch_event_t **event, switch_event_types_t event_id, char *subclass_name);
+SWITCH_DECLARE(switch_status_t) switch_event_create_subclass(switch_event_t **event, switch_event_types_t event_id, const char *subclass_name);
 
 /*!
   \brief Set the priority of an event

src/switch_core.c

@@ -3504,7 +3504,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_hash_delete(switch_hash_t *hash, cha
 	return SWITCH_STATUS_SUCCESS;
 }
 
-SWITCH_DECLARE(void *) switch_core_hash_find(switch_hash_t *hash, char *key)
+SWITCH_DECLARE(void *) switch_core_hash_find(switch_hash_t *hash, const char *key)
 {
 	return apr_hash_get(hash, key, APR_HASH_KEY_STRING);
 }

src/switch_event.c

@@ -423,7 +423,7 @@ SWITCH_DECLARE(switch_status_t) switch_event_init(switch_memory_pool_t *pool)
 
 SWITCH_DECLARE(switch_status_t) switch_event_create_subclass(switch_event_t **event,
 														   switch_event_types_t event_id,
-														   char *subclass_name)
+														   const char *subclass_name)
 {
 
 	if (event_id != SWITCH_EVENT_CUSTOM && subclass_name) {