shithub: drawterm-fdroid

ref: 0818148b0432a1b11d2feb72cca47156a603e884
dir: drawterm-fdroid/libc/lnrand.c

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#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;
}