1 /* 2 * rand.h 3 * 4 * Pseudo-random number generation, based on OpenBSD arc4random(). 5 * 6 * Copyright (c) 2000 Dug Song <dugsong@monkey.org> 7 * Copyright (c) 1996 David Mazieres <dm@lcs.mit.edu> 8 * 9 * $Id$ 10 */ 11 12 #ifndef DNET_RAND_H 13 #define DNET_RAND_H 14 15 typedef struct rand_handle rand_t; 16 17 __BEGIN_DECLS 18 rand_t *rand_open(void); 19 20 int rand_get(rand_t *r, void *buf, size_t len); 21 int rand_set(rand_t *r, const void *seed, size_t len); 22 int rand_add(rand_t *r, const void *buf, size_t len); 23 24 uint8_t rand_uint8(rand_t *r); 25 uint16_t rand_uint16(rand_t *r); 26 uint32_t rand_uint32(rand_t *r); 27 28 int rand_shuffle(rand_t *r, void *base, size_t nmemb, size_t size); 29 30 rand_t *rand_close(rand_t *r); 31 __END_DECLS 32 33 #endif /* DNET_RAND_H */ 34