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block: always compile-check debug prints

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Files with conditional debug statements should ensure that the printf is
always compiled. This prevents bitrot of the format string of the debug
statement. And switch debug output to stderr.

Signed-off-by: Zhou Jie <zhoujie2011@cn.fujitsu.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Zhou Jie 2016-04-29 13:12:01 +08:00 committed by Kevin Wolf
parent 547cb1574e
commit ed79f37d9b
2 changed files with 16 additions and 7 deletions
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10
block/curl.c
View File

@ -36,10 +36,16 @@
// #define DEBUG_VERBOSE
#ifdef DEBUG_CURL
#define DPRINTF(fmt, ...) do { printf(fmt, ## __VA_ARGS__); } while (0)
#define DEBUG_CURL_PRINT 1
#else
#define DPRINTF(fmt, ...) do { } while (0)
#define DEBUG_CURL_PRINT 0
#endif
#define DPRINTF(fmt, ...) \
do { \
if (DEBUG_CURL_PRINT) { \
fprintf(stderr, fmt, ## __VA_ARGS__); \
} \
} while (0)
#if LIBCURL_VERSION_NUM >= 0x071000
/* The multi interface timer callback was introduced in 7.16.0 */

13
block/sheepdog.c
View File

@ -294,13 +294,16 @@ static inline size_t count_data_objs(const struct SheepdogInode *inode)
#undef DPRINTF
#ifdef DEBUG_SDOG
#define DPRINTF(fmt, args...) \
do { \
fprintf(stdout, "%s %d: " fmt, __func__, __LINE__, ##args); \
} while (0)
#define DEBUG_SDOG_PRINT 1
#else
#define DPRINTF(fmt, args...)
#define DEBUG_SDOG_PRINT 0
#endif
#define DPRINTF(fmt, args...) \
do { \
if (DEBUG_SDOG_PRINT) { \
fprintf(stderr, "%s %d: " fmt, __func__, __LINE__, ##args); \
} \
} while (0)
typedef struct SheepdogAIOCB SheepdogAIOCB;