From 0028136821365ba0d29332900e8801d94151abc3 Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Fri, 13 Jan 2017 14:27:48 +0100 Subject: util: Add printf format GCC attribute to panic() function MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This fixes the following GCC warning: util.h:55:2: warning: function might be possible candidate for ‘gnu_printf’ format attribute [-Wsuggest-attribute=format] Signed-off-by: Tobias Klauser --- compiler.h | 6 +++++- util.h | 4 +++- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/compiler.h b/compiler.h index 4180086..8153f56 100644 --- a/compiler.h +++ b/compiler.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2015 Tobias Klauser + * Copyright (C) 2015-2017 Tobias Klauser * * This file is part of llmnrd. * @@ -28,6 +28,10 @@ # ifndef __unused # define __unused __attribute__((unused)) # endif +# ifndef __check_format_printf +# define __check_format_printf(__fmt, __args) \ + __attribute__ ((format (printf, (__fmt), (__args)))) +# endif # ifndef offsetof # define offsetof(a, b) __builtin_offsetof(a, b) # endif diff --git a/util.h b/util.h index 0c3d263..1fabd5e 100644 --- a/util.h +++ b/util.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2014-2015 Tobias Klauser + * Copyright (C) 2014-2017 Tobias Klauser * Copyright (C) 2009-2012 Daniel Borkmann * * This file is part of llmnrd. @@ -47,6 +47,8 @@ (void) (&_max1 == &_max2); \ _max1 > _max2 ? _max1 : _max2; }) +static inline void panic(const char *fmt, ...) __check_format_printf(1, 2); + static inline void __noreturn panic(const char *fmt, ...) { va_list vl; -- cgit v1.2.3-54-g00ecf