Make non-null return attributes meaningful with gcc 4.9 and up

Mans Rullgard committed 11 years ago

Commit 42d30cf1 parent 61b964b1 file · +13 −0Browse files

Showing the changes to src/sox.h (1 of 1 file). Show all

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@@ -32,6 +32,19 @@ extern "C" { · 31 unmodified lines
32	#pragma GCC system_header	32	#pragma GCC system_header
33	#endif	33	#endif
34		34
		35	#if defined __GNUC__
		36	#define LSX_GCC(maj, min) \
		37	((__GNUC__ > (maj)) \|\| (__GNUC__ == (maj) && __GNUC_MINOR__ >= (min)))
		38	#else
		39	#define LSX_GCC(maj, min) 0
		40	#endif
		41
		42	#if LSX_GCC(4,9)
		43	#define _Ret_ __attribute__ ((returns_nonnull))
		44	#define _Ret_valid_ _Ret_
		45	#define _Ret_z_ _Ret_
		46	#endif
		47
35	/*****************************************************************************	48	/*****************************************************************************
36	API decoration macros:	49	API decoration macros:
37	Mostly for documentation purposes. For some compilers, decorations also affect	50	Mostly for documentation purposes. For some compilers, decorations also affect

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