view src/lib/rand.h @ 22633:9284bdc3c5c5

director: Don't recreate timeout on every user lookup Recreate it only when the timeout should change.
author Timo Sirainen <timo.sirainen@dovecot.fi>
date Sat, 04 Nov 2017 01:34:02 +0200
parents f9deece0002f
children
line wrap: on
line source

#ifndef RAND_H
#define RAND_H

/* Wrap srand() so that we can reproduce fuzzed tests */

/* If we have seeded the prng precisely once, and we remember what
 * value that was with, then we can reproduce any failing test cases
 * that depend on that randomness by forcing the seed value (e.g. 
 * in a debugger, by putting a breakpoint on rand_set_seed()).
 */

/* Number of times we've been seeded */ 
int rand_get_seed_count(void);
/* That last seed */
unsigned int rand_get_last_seed(void);
/* Actually seed the prng (could add char* for name of function?) */
void rand_set_seed(unsigned int s);

#endif