*/
VLC_EXPORT( int, osd_ShowTextRelative, ( spu_t *, int, char *, text_style_t *, int, int, int, mtime_t ) );
VLC_EXPORT( int, osd_ShowTextAbsolute, ( spu_t *, int, char *, text_style_t *, int, int, int, mtime_t, mtime_t ) );
-VLC_EXPORT( void,osd_Message, ( spu_t *, int, char *, ... ) );
+VLC_EXPORT( void,osd_Message, ( spu_t *, int, char *, ... ) ATTRIBUTE_FORMAT( 3, 4 ) );
/**
* Default feedback images
* \param i_channel Subpicture channel
* \param psz_format printf style formatting
**/
-VLC_EXPORT( void, __vout_OSDMessage, ( vlc_object_t *, int, const char *, ... ) );
+VLC_EXPORT( void, __vout_OSDMessage, ( vlc_object_t *, int, const char *, ... ) ATTRIBUTE_FORMAT( 3, 4 ) );
/**
* Same as __vlc_OSDMessage() but with automatic casting