volume_id: add dbg() as noop to check for compile errors

[elogind.git] / extras / volume_id / lib / libvolume_id-private.h

diff --git a/extras/volume_id/lib/libvolume_id-private.h b/extras/volume_id/lib/libvolume_id-private.h
index 2ce46502c42b4d7824f584f594b3c4432aa27659..3326bf371289d16b39f6720374b6689f1d2071e8 100644 (file)
--- a/extras/volume_id/lib/libvolume_id-private.h
+++ b/extras/volume_id/lib/libvolume_id-private.h
@@ -34,12 +34,15 @@
 #define PACKED                         __attribute__((packed))
 #endif
 
+static inline void __attribute__ ((format(printf, 1, 2)))
+log_null(const char *format, ...) {}
+
 #define err(format, arg...)    volume_id_log_fn(LOG_ERR, __FILE__, __LINE__, format, ##arg)
 #define info(format, arg...)   volume_id_log_fn(LOG_INFO, __FILE__, __LINE__, format, ##arg)
 #ifdef DEBUG
 #define dbg(format, arg...)    volume_id_log_fn(LOG_DEBUG, __FILE__, __LINE__, format, ##arg)
 #else
-#define dbg(format, arg...)    do { } while (0)
+#define dbg(format, arg...)    log_null(format, ##arg)
 #endif
 
 #if (__BYTE_ORDER == __LITTLE_ENDIAN)