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#include <unistd.h>
#include "dns.h"
#include "uint32.h"
#include "surfrand.h"
static struct surfrand state;
static int inited = 0;
/** Initialize the DNS library random state. */
void dns_random_init(const char data[SURF_SEED])
{
struct timeval tv;
uint32 altdata[SURF_SEED_U32];
surfrand_init(&state, data ? (const uint32*)data : altdata, SURF_SEED_U32);
gettimeofday(&tv,0);
state.counter[8] = tv.tv_sec;
state.counter[9] = tv.tv_usec;
state.counter[10] = getpid();
state.counter[11] = getppid();
inited = 1;
}
/** Generate a random number less than \c n. */
unsigned int dns_random(unsigned int n)
{
return surfrand_uniform(&state, n);
}
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