On 04/18/2017 02:13 AM, Stefan Weil wrote:
Am 18.04.2017 um 03:33 schrieb Eric Blake:
Rework the debug define so that we always get -Wformat checking,
even when debugging is disabled.
Signed-off-by: Eric Blake <ebl...@redhat.com>
---
Reviewed-by: Stefan Weil <s...@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org>
block/vdi.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/block/vdi.c b/block/vdi.c
index d12d9cd..a70b969 100644
--- a/block/vdi.c
+++ b/block/vdi.c
@@ -86,12 +86,18 @@
#define DEFAULT_CLUSTER_SIZE (1 * MiB)
#if defined(CONFIG_VDI_DEBUG)
-#define logout(fmt, ...) \
- fprintf(stderr, "vdi\t%-24s" fmt, __func__,
##__VA_ARGS__)
+#define VDI_DEBUG 1
#else
-#define logout(fmt, ...) ((void)0)
+#define VDI_DEBUG 0
#endif
+#define logout(fmt, ...) \
+ do
{ \
+ if (VDI_DEBUG)
{ \
+ fprintf(stderr, "vdi\t%-24s" fmt, __func__,
##__VA_ARGS__); \
+
} \
+ } while (0)
+
/* Image signature. */
#define VDI_SIGNATURE 0xbeda107f
