X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=log.h;h=8163f97753061492a6ce6be00043dcd3c382c9c8;hp=a39dea61893194e7a45740e653dc1e57a39181de;hb=85e99d6e24dc92eb2b69fd568bafdd5da6e1d872;hpb=408e0b90d74196f173c2008bc0034b70e9b56ddf

diff --git a/log.h b/log.h
index a39dea61..8163f977 100644
--- a/log.h
+++ b/log.h
@@ -13,16 +13,19 @@ extern size_t log_err(const char *format, ...) __attribute__ ((__format__ (__pri
 extern size_t log_info(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
 extern size_t __log_buf(struct buf_output *, const char *format, ...) __attribute__ ((__format__ (__printf__, 2, 3)));
 extern size_t log_valist(const char *str, va_list);
+extern void log_prevalist(int type, const char *str, va_list);
 extern size_t log_info_buf(const char *buf, size_t len);
 extern int log_info_flush(void);
 
-#define log_buf(buf, format, args...)		\
-do {						\
-	if ((buf) != NULL)			\
-		__log_buf(buf, format, ##args);	\
-	else					\
-		log_info(format, ##args);	\
-} while (0)
+#define log_buf(buf, format, args...)			\
+({							\
+	size_t __ret;					\
+	if ((buf) != NULL)				\
+		__ret = __log_buf(buf, format, ##args);	\
+	else						\
+		__ret = log_info(format, ##args);	\
+	__ret;						\
+})
 
 enum {
 	FIO_LOG_DEBUG	= 1,