From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 15 Apr 2013 09:40:30 +0000 (+0200)
Subject: log: add printf() attribute to log_*() functions
X-Git-Tag: fio-2.1~33
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=7089165b973c6bc48e11cadcb5a39c7adbae124c;hp=e9d806fa2661cf685fc5c5d0172ff15193c9c8b1

log: add printf() attribute to log_*() functions

Similarly to how it's done for dprint(), so we can catch
format errors.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/log.h b/log.h
index ad9d08bb..25f92f9e 100644
--- a/log.h
+++ b/log.h
@@ -7,9 +7,9 @@
 extern FILE *f_out;
 extern FILE *f_err;
 
-extern int log_err(const char *format, ...);
-extern int log_info(const char *format, ...);
-extern int log_local(const char *format, ...);
+extern int log_err(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
+extern int log_info(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
+extern int log_local(const char *format, ...) __attribute__ ((__format__ (__printf__, 1, 2)));
 extern int log_valist(const char *str, va_list);
 extern int log_local_buf(const char *buf, size_t);