Simplfy LOG*() macros and pass valist through to log callback.

1 files changed, 3 insertions, 7 deletions

diff --git a/include/cubeb/cubeb.h b/include/cubeb/cubeb.h
index 50976c9..449b39c 100644
--- a/include/cubeb/cubeb.h
+++ b/include/cubeb/cubeb.h
@@ -346,10 +346,8 @@ typedef void (* cubeb_device_changed_callback)(void * user_ptr);
 typedef void (* cubeb_device_collection_changed_callback)(cubeb * context,
                                                           void * user_ptr);
 
-/**
- * User supplied callback called when a message needs logging.
- * @param msg A c-string that contains the message to log. */
-typedef void (*cubeb_log_callback)(const char * msg);
+/** User supplied callback called when a message needs logging. */
+typedef void (* cubeb_log_callback)(const char * fmt, ...);
 
 /** Initialize an application context.  This will perform any library or
     application scoped initialization.
@@ -568,9 +566,7 @@ CUBEB_EXPORT int cubeb_register_device_collection_changed(cubeb * context,
 /** Set a callback to be called with a message.
     @param log_level CUBEB_LOG_VERBOSE, CUBEB_LOG_NORMAL.
     @param log_callback A function called with a message when there is
-                        something to log. Passing stdout or stderr log to
-                        this fd instead. Passing NULL allows unregistering a
-                        function.
+                        something to log. Pass NULL to unregister.
     @retval CUBEB_OK in case of success.
     @retval CUBEB_ERROR_INVALID_PARAMETER if either context or log_callback are
                                           invalid pointers, or if level is not