volume_id: add more vfat debugging information

[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..14f7568fec60f30977bc64a84f7ec8992d5241c8 100644 (file)
--- a/extras/volume_id/lib/libvolume_id-private.h
+++ b/extras/volume_id/lib/libvolume_id-private.h
@@ -20,9 +20,10 @@
 #ifndef _LIBVOLUME_ID_PRIVATE_H_
 #define _LIBVOLUME_ID_PRIVATE_H_
 
-#include <stdint.h>
 #include <stddef.h>
 #include <endian.h>
+#include <stdint.h>
+#include <inttypes.h>
 #include <byteswap.h>
 #include <syslog.h>
 
@@ -34,12 +35,15 @@
 #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)
@@ -152,6 +156,7 @@ extern int volume_id_probe_squashfs(struct volume_id *id, uint64_t off, uint64_t
 extern int volume_id_probe_netware(struct volume_id *id, uint64_t off, uint64_t size);
 extern int volume_id_probe_gfs(struct volume_id *id, uint64_t off, uint64_t size);
 extern int volume_id_probe_gfs2(struct volume_id *id, uint64_t off, uint64_t size);
+extern int volume_id_probe_btrfs(struct volume_id *id, uint64_t off, uint64_t size);
 
 /* special formats */
 extern int volume_id_probe_linux_swap(struct volume_id *id, uint64_t off, uint64_t size);