#include <u.h>#include <libc.h>#define MASK 0x7fffffffLintnrand(int n){ long slop, v; if(n < 0) return n; if(n == 1) return 0; /* and if n == 0, you deserve what you get */ slop = MASK % n; do v = lrand(); while(v <= slop); return v % n;}
#include <u.h>
#include <libc.h>
#define MASK 0x7fffffffL
int
nrand(int n)
{
long slop, v;
if(n < 0)
return n;
if(n == 1)
return 0;
/* and if n == 0, you deserve what you get */
slop = MASK % n;
do
v = lrand();
while(v <= slop);
return v % n;
}