package rle

import "unsafe"

func CVAL(p *[]uint8) int {
	a := int((*p)[0])
	*p = (*p)[1:]
	return a
}

func CVAL2(p *[]uint8, v *uint16) {
	*v = *((*uint16)(unsafe.Pointer(&(*p)[0])))
	*p = (*p)[2:]
}

func CVAL3(p *[]uint8, v *[3]uint8) {
	(*v)[0] = (*p)[0]
	(*v)[1] = (*p)[1]
	(*v)[2] = (*p)[2]
	*p = (*p)[3:]
}

func REPEAT(f func(), count *int, x *int, width int) {
	for *count > 0 && *x < width {
		f()
		*count--
		*x++
	}
}