HandmadeHero/project/platform/macros.h

#pragma once

// Keywords

#define global        static    // Global variables
#define internal      static    // Internal linkage
#define local_persist static    // Local Persisting variables

#define api_c extern "C"

// Casting

#define ccast( Type, Value ) ( * const_cast< Type* >( & (Value) ) )
#define pcast( Type, Value ) ( * reinterpret_cast< Type* >( & ( Value ) ) )
#define rcast( Type, Value ) reinterpret_cast< Type >( Value )
#define scast( Type, Value ) static_cast< Type >( Value )

#define do_once()          \
	do                     \
	{                      \
		static             \
		bool Done = false; \
		if ( Done )        \
			return;        \
		Done = true;       \
	}                      \
	while(0)

#define do_once_start      \
	do                     \
	{                      \
		static             \
		bool Done = false; \
		if ( Done )        \
			break;         \
		Done = true;

#define do_once_end        \
	}                      \
	while(0);