Function Attributes

Function attributes applicable to memory handling functions. More...

Macros
#define	av_malloc_attrib   __attribute__((__malloc__))
	Function attribute denoting a malloc-like function. More...
#define	av_alloc_size(...)   __attribute__((alloc_size(__VA_ARGS__)))
	Function attribute used on a function that allocates memory, whose size is given by the specified parameter(s). More...

Detailed Description

Function attributes applicable to memory handling functions.

These function attributes can help compilers emit more useful warnings, or generate better code.

Macro Definition Documentation

av_malloc_attrib

#define av_malloc_attrib   __attribute__((__malloc__))

Function attribute denoting a malloc-like function.

See also

Function attribute malloc in GCC's documentation

Definition at line 146 of file mem.h.

av_alloc_size

#define av_alloc_size

(

...

)

__attribute__((alloc_size(__VA_ARGS__)))

Function attribute used on a function that allocates memory, whose size is given by the specified parameter(s).

void *av_malloc(size_t size) av_alloc_size(1);
void *av_calloc(size_t nmemb, size_t size) av_alloc_size(1, 2);

Parameters

...	One or two parameter indexes, separated by a comma

See also

Function attribute alloc_size in GCC's documentation

Definition at line 167 of file mem.h.