Re: #pragma once?
From: Theodore Ts'o
Date: Mon Jan 06 2014 - 16:34:06 EST
On Mon, Jan 06, 2014 at 12:47:07PM -0800, Josh Triplett wrote:
> Does anyone have any objection to the use of "#pragma once" instead of
> the usual #ifndef-#define-...-#endif include guard? GCC, LLVM/clang,
> and the latest Sparse all support either method just fine. (I added
> support to Sparse myself.) Both have equivalent performance. "#pragma
> once" is simpler, and avoids the possibility of a typo in the defined
> guard symbol.
Does anybody know whether other static code analysis tools such as
Coverity can handle #pragma once?
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