Subversion Repositories planix.SVN

#include "os.h"
#include <mp.h>
#include "dat.h"

/*
 *  this code assumes that mpdigit is at least as
 *  big as an int.
 */

mpint*
uitomp(uint i, mpint *b)
{
        if(b == nil)
                b = mpnew(0);
        mpassign(mpzero, b);
        if(i != 0)
                b->top = 1;
        *b->p = i;
        return b;
}

uint
mptoui(mpint *b)
{
        uint x;

        x = *b->p;
        if(b->sign < 0)
                x = 0;
        else if(b->top > 1 || (sizeof(mpdigit) > sizeof(uint) && x > MAXUINT))
                x =  MAXUINT;
        return x;
}