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Commit 67f72bde authored by Chih-Hung Hsieh's avatar Chih-Hung Hsieh
Browse files

Declare __FAKE_USE_VA_ARGS as a variadic function. 

This avoids 2 static analysis warnings:
* assigned but unused variables in __VA_ARGS__
* unused expression result in __VA_ARGS__

Bug: 111614304
Test: make with WITH_TIDY=1
Change-Id: I4faae8787f6cc76de7ff4b6d08d25d0cb47324ea
parent 1d2b29a9

liblog/include/log/log_main.h

+3 −2
Original line number Diff line number Diff line
@@ -43,10 +43,11 @@ __BEGIN_DECLS 
/*

 * Use __VA_ARGS__ if running a static analyzer,

 * to avoid warnings of unused variables in __VA_ARGS__.

 * __FAKE_USE_VA_ARGS is undefined at link time,

 * so don't link with __clang_analyzer__ defined.

 */



#ifdef __clang_analyzer__

#define __FAKE_USE_VA_ARGS(...) ((void)(__VA_ARGS__))

extern void __FAKE_USE_VA_ARGS(...);

#else

#define __FAKE_USE_VA_ARGS(...) ((void)(0))

#endif