luxos/Kernel/library/stdlib/num_ops.c

/*
 * num_ops.c
 *
 *  Created on: Aug 27, 2011
 *      Author: Tiberiu
 */
#include <types.h>

uint32 numlen (int32 number, int32 base)
{
	// Sanity check
	if (base < 2) return 0;

	uint32 len = (number < 0 && base == 10);	// add minus sign
	if (number == 0) return 1;

	while (number) 	{
		number /= base;
		++len;
	}

	return len;
}

uint32 unumlen (uint32 number, int32 base)
{
	// Sanity check
	if (base < 2) return 0;

	uint32 len = 0;
	if (number == 0) return 1;

	while (number) 	{
		number /= base;
		++len;
	}

	return len;
}