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-rw-r--r--include/rtthread.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/rtthread.h b/include/rtthread.h
index cc1d90fe91..2e09ef896c 100644
--- a/include/rtthread.h
+++ b/include/rtthread.h
@@ -15,6 +15,7 @@
* 2007-01-28 Bernard rename RT_OBJECT_Class_Static to RT_Object_Class_Static
* 2007-03-03 Bernard clean up the definitions to rtdef.h
* 2010-04-11 yi.qiu add module feature
+ * 2013-06-24 Bernard add rt_kprintf re-define when not use RT_USING_CONSOLE.
*/
#ifndef __RT_THREAD_H__
@@ -452,7 +453,11 @@ void rt_system_module_init(void);
/*
* general kernel service
*/
+#ifndef RT_USING_CONSOLE
+#define rt_kprintf(...)
+#else
void rt_kprintf(const char *fmt, ...);
+#endif
rt_int32_t rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
rt_int32_t rt_sprintf(char *buf ,const char *format, ...);
rt_int32_t rt_snprintf(char *buf, rt_size_t size, const char *format, ...);