attributes.h File Reference

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Macros
#define	AV_GCC_VERSION_AT_LEAST(x, y)   0
#define	AV_GCC_VERSION_AT_MOST(x, y)   0
#define	av_always_inline   inline
#define	av_extern_inline   inline
#define	av_warn_unused_result
#define	av_noinline
#define	av_pure
#define	av_const
#define	av_cold
#define	av_flatten
#define	attribute_deprecated
#define	AV_NOWARN_DEPRECATED(code)   code
#define	av_unused
#define	av_used
#define	av_alias
#define	av_uninit(x)   x
#define	av_builtin_constant_p(x)   0
#define	av_printf_format(fmtpos, attrpos)
#define	av_noreturn

Detailed Description

Macro definitions for various function/variable attributes

Macro Definition Documentation

attribute_deprecated

#define attribute_deprecated

av_alias

#define av_alias

av_always_inline

#define av_always_inline   inline

av_builtin_constant_p

#define av_builtin_constant_p

(

x

)

0

av_cold

#define av_cold

av_const

#define av_const

av_extern_inline

#define av_extern_inline   inline

av_flatten

#define av_flatten

AV_GCC_VERSION_AT_LEAST

#define AV_GCC_VERSION_AT_LEAST	(		x,
			y
	)		0

AV_GCC_VERSION_AT_MOST

#define AV_GCC_VERSION_AT_MOST	(		x,
			y
	)		0

av_noinline

#define av_noinline

av_noreturn

#define av_noreturn

AV_NOWARN_DEPRECATED

#define AV_NOWARN_DEPRECATED

(

code

)

code

Disable warnings about deprecated features This is useful for sections of code kept for backward compatibility and scheduled for removal.

av_printf_format

#define av_printf_format	(		fmtpos,
			attrpos
	)

av_pure

#define av_pure

av_uninit

#define av_uninit

(

x

)

x

av_unused

#define av_unused

av_used

#define av_used

Mark a variable as used and prevent the compiler from optimizing it away. This is useful for variables accessed only from inline assembler without the compiler being aware.

av_warn_unused_result

#define av_warn_unused_result