X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=extras%2Fvolume_id%2Flibvolume_id%2Flibvolume_id.h;h=7faf8d8af3d20e05140ea2e987fecc7188c6178e;hp=b08a650dc80ac051de8cb0eff5275e76648dc147;hb=b5e694267142042228a6cac99ecad6c4b4ef8759;hpb=2d82e6f0532295798adec25a52a7d70c85ba4bba

diff --git a/extras/volume_id/libvolume_id/libvolume_id.h b/extras/volume_id/libvolume_id/libvolume_id.h
index b08a650dc..7faf8d8af 100644
--- a/extras/volume_id/libvolume_id/libvolume_id.h
+++ b/extras/volume_id/libvolume_id/libvolume_id.h
@@ -18,6 +18,12 @@
 #define PACKED				__attribute__((packed))
 #endif
 
+
+typedef void (*volume_id_log_fn)(int priority, const char *file, int line, const char *format, ...)
+	     __attribute__ ((format(printf, 4, 5)));
+
+extern volume_id_log_fn volume_id_log;
+
 #define VOLUME_ID_LABEL_SIZE		64
 #define VOLUME_ID_UUID_SIZE		36
 #define VOLUME_ID_FORMAT_SIZE		32