From d2e6715ddbc03f5e6d0bb3f44e5eb73135a5b258 Mon Sep 17 00:00:00 2001 From: weycen Date: Sun, 26 Dec 2021 00:26:50 +0800 Subject: [PATCH] [kernel] Add __attribute__(...) for rt_kprintf() to let the compiler check the format string parameters MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Tested in the following environment： 1. Keil uVersion：Arm Compiler v5.06、v6.7、v6.16 2. Atollic TrueSTUDIO for STM32：GNU v6.3.1 3. Code Composer Studio：TI Compiler v20.2.2.LTS、GNU v7.2.1 --- include/rtthread.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/rtthread.h b/include/rtthread.h index d18355c426..8f0f43f7cc 100644 --- a/include/rtthread.h +++ b/include/rtthread.h @@ -570,7 +570,12 @@ void rt_components_board_init(void); #define rt_kprintf(...) #define rt_kputs(str) #else +#if defined(__ARMCC_VERSION) || defined(__GNUC__) || \ + defined(__TI_COMPILER_VERSION__) +int rt_kprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2))); +#else int rt_kprintf(const char *fmt, ...); +#endif void rt_kputs(const char *str); #endif