Subversion Repositories planix.SVN

#include        <u.h>
#include        <libc.h>

#define MASK    0x7fffffffL

long
lnrand(long n)
{
        long slop, v;

        if(n < 0)
                return n;
        slop = MASK % n;
        do
                v = lrand();
        while(v <= slop);
        return v % n;
}