Files
9base/lib9/nrand.c
2009-07-31 21:02:58 +01:00

18 lines
176 B
C

#include <lib9.h>
#define MASK 0x7fffffffL
int
nrand(int n)
{
long slop, v;
if(n < 0)
return n;
slop = MASK % n;
do
v = lrand();
while(v <= slop);
return v % n;
}