add switch_caller_extension_add_application_printf()

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15688 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/include/switch_caller.h

@@ -161,6 +161,17 @@ SWITCH_DECLARE(void) switch_caller_extension_add_application(_In_ switch_core_se
 															 _In_ switch_caller_extension_t *caller_extension,
 															 _In_z_ const char *application_name, _In_z_ const char *extra_data);
 
+/*!
+  \brief Add an application (instruction) to the given extension
+  \param session session associated with the extension (bound by scope)
+  \param caller_extension extension to add the application to
+  \param application_name the name of the application
+  \param fmt optional argument to the application (printf format string)
+*/
+SWITCH_DECLARE(void) switch_caller_extension_add_application_printf(_In_ switch_core_session_t *session,
+															 _In_ switch_caller_extension_t *caller_extension,
+															 _In_z_ const char *application_name, _In_z_ const char *fmt, ...);
+
 
 /*!
   \brief Get the value of a field in a caller profile based on it's name

src/switch_caller.c

@@ -394,6 +394,25 @@ SWITCH_DECLARE(switch_caller_extension_t *) switch_caller_extension_new(switch_c
 	return caller_extension;
 }
 
+
+SWITCH_DECLARE(void) switch_caller_extension_add_application_printf(switch_core_session_t *session,
+															 switch_caller_extension_t *caller_extension, const char *application_name,
+															 const char *fmt, ...)
+{
+	va_list ap;
+	char *data = NULL;
+	
+	va_start(ap, fmt);
+	switch_vasprintf(&data, fmt, ap);
+	va_end(ap);
+	
+	if (data) {
+		switch_caller_extension_add_application(session, caller_extension, application_name, data);	
+		free(data);
+	}
+}
+
+
 SWITCH_DECLARE(void) switch_caller_extension_add_application(switch_core_session_t *session,
 															 switch_caller_extension_t *caller_extension, const char *application_name,
 															 const char *application_data)