harvey/sys/src/9/port/getput.c

#include	"u.h"

void
put64be(uint8_t *p, uint64_t x)
{
	p[0] = x>>56;
	p[1] = x>>48;
	p[2] = x>>40;
	p[3] = x>>32;
	p[4] = x>>24;
	p[5] = x>>16;
	p[6] = x>>8;
	p[7] = x;
}

void
put32be(uint8_t *p, uint32_t x)
{
	p[0] = x>>24;
	p[1] = x>>16;
	p[2] = x>>8;
	p[3] = x;
}

void
put24be(uint8_t *p, int x)
{
	p[0] = x>>16;
	p[1] = x>>8;
	p[2] = x;
}

void
put16be(uint8_t *p, int x)
{
	p[0] = x>>8;
	p[1] = x;
}

uint64_t
get64be(uint8_t *p)
{
	return
		((uint64_t)p[0]<<56)|((uint64_t)p[1]<<48)|((uint64_t)p[2]<<40)|(uint64_t)p[3]<<32|
		((uint64_t)p[4]<<24)|((uint64_t)p[5]<<16)|((uint64_t)p[6]<<8)|(uint64_t)p[7];
}

uint32_t
get32be(uint8_t *p)
{
	return ((uint32_t)p[0]<<24)|((uint32_t)p[1]<<16)|((uint32_t)p[2]<<8)|(uint32_t)p[3];
}

uint32_t
get24be(uint8_t *p)
{
	return ((uint32_t)p[0]<<16)|((uint32_t)p[1]<<8)|(uint32_t)p[2];
}

uint16_t
get16be(uint8_t *p)
{
	return ((uint16_t)p[0]<<8)|(uint16_t)p[1];
}


void
put64le(uint8_t *p, uint64_t x)
{
	p[0] = x;
	p[1] = x>>8;
	p[2] = x>>16;
	p[3] = x>>24;
	p[4] = x>>32;
	p[5] = x>>40;
	p[6] = x>>48;
	p[7] = x>>56;
}

void
put32le(uint8_t *p, uint32_t x)
{
	p[0] = x;
	p[1] = x>>8;
	p[2] = x>>16;
	p[3] = x>>24;
}

void
put24le(uint8_t *p, int x)
{
	p[0] = x;
	p[1] = x>>8;
	p[2] = x>>16;
}

void
put16le(uint8_t *p, int x)
{
	p[0] = x;
	p[1] = x>>8;
}

uint64_t
get64le(uint8_t *p)
{
	return
		((uint64_t)p[0])|((uint64_t)p[1]<<8)|((uint64_t)p[2]<<16)|(uint64_t)p[3]<<24|
		((uint64_t)p[4]<<32)|((uint64_t)p[5]<<40)|((uint64_t)p[6]<<48)|(uint64_t)p[7]<<56;
}

uint32_t
get32le(uint8_t *p)
{
	return ((uint32_t)p[0])|((uint32_t)p[1]<<8)|((uint32_t)p[2]<<16)|(uint32_t)p[3]<<24;
}

uint32_t
get24le(uint8_t *p)
{
	return ((uint32_t)p[0])|((uint32_t)p[1]<<8)|(uint32_t)p[2]<<16;
}

uint16_t
get16le(uint8_t *p)
{
	return ((uint16_t)p[0])|(uint16_t)p[1]<<8;
}