add belle_sip_message_assign_body()

include/belle-sip/message.h

@@ -106,9 +106,10 @@ BELLESIP_EXPORT void belle_sip_message_remove_header(belle_sip_message_t *msg, c
 
 BELLESIP_EXPORT char *belle_sip_message_to_string(belle_sip_message_t *msg);
 BELLESIP_EXPORT const char* belle_sip_message_get_body(belle_sip_message_t *msg);
+
 BELLESIP_EXPORT void belle_sip_message_set_body(belle_sip_message_t *msg,const char* body,unsigned int size);
-/*message keep ownership of the null terminated body buffer
-void belle_sip_message_assign_body(belle_sip_message_t *msg,char* body);*/
+
+BELLESIP_EXPORT void belle_sip_message_assign_body(belle_sip_message_t *msg, char* body, unsigned int size);
 
 BELLESIP_EXPORT int belle_sip_response_get_status_code(const belle_sip_response_t *response);
 BELLESIP_EXPORT void belle_sip_response_set_status_code(belle_sip_response_t *response,int status);

src/message.c

@@ -372,16 +372,18 @@ void belle_sip_message_set_body(belle_sip_message_t *msg, const char* body, unsi
 	}
 	if (body){
 		msg->body = belle_sip_malloc(size+1);
+		msg->body_length=size;
 		memcpy(msg->body,body,size);
 		msg->body[size]='\0';
 	}
 }
 
-void belle_sip_message_assign_body(belle_sip_message_t *msg, char* body) {
+void belle_sip_message_assign_body(belle_sip_message_t *msg, char* body, unsigned int size) {
 	if (msg->body) {
-		belle_sip_free((void*)body);
+		belle_sip_free(body);
 	}
 	msg->body = body;
+	msg->body_length = size;
 }
 
 struct _belle_sip_response{