listCONTAINER macro

Given the pointer to the link member (of type Link_t) in a struct, extracts the pointer to the containing struct.

Syntax

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Summary

Declaration

#define listCONTAINER( pxLink, type, member ) ( ( type * ) ( ( uint8_t * ) ( pxLink ) - ( uint8_t * ) ( &( ( type * ) 0 )->member ) ) )

Argument

Description

pxLink

The pointer to the link member.

type

The type of the containing struct.

member

Name of the link member in the containing struct.

from examples