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| author | Eric Blake <eblake@redhat.com> | 2018-02-13 14:26:56 -0600 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-03-02 18:39:07 +0100 |
| commit | b80666bf844bac5ae775cb67029a3cd67ad7c730 (patch) | |
| tree | 7accab7ff680cc7c6413bdc690157ecb315a3ddb /block | |
| parent | 47943e986539e7e78ce4010f7d721408235ad058 (diff) | |
| download | qemu-b80666bf844bac5ae775cb67029a3cd67ad7c730.zip qemu-b80666bf844bac5ae775cb67029a3cd67ad7c730.tar.gz qemu-b80666bf844bac5ae775cb67029a3cd67ad7c730.tar.bz2 | |
vdi: Avoid bitrot of debugging code
Rework the debug define so that we always get -Wformat checking,
even when debugging is disabled.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/vdi.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/block/vdi.c b/block/vdi.c index fc1c614..32b1763 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -87,12 +87,18 @@ #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 |