Gecko [ goons4good.org ]

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aes.h	1.05 KB	-rw-r--r--	2025-03-04 05:23
app.h	10.23 KB	-rw-r--r--	2025-03-04 05:23
assertions.h	2.78 KB	-rw-r--r--	2025-03-04 05:23
atomic.h	4.15 KB	-rw-r--r--	2025-03-04 05:23
backtrace.h	3.8 KB	-rw-r--r--	2025-03-04 05:23
base32.h	3.94 KB	-rw-r--r--	2025-03-04 05:23
base64.h	2.39 KB	-rw-r--r--	2025-03-04 05:23
bind9.h	849 B	-rw-r--r--	2025-03-04 05:23
boolean.h	746 B	-rw-r--r--	2025-03-04 05:23
buffer.h	25.69 KB	-rw-r--r--	2025-03-04 05:23
bufferlist.h	1.42 KB	-rw-r--r--	2025-03-04 05:23
commandline.h	1.69 KB	-rw-r--r--	2025-03-04 05:23
condition.h	1.44 KB	-rw-r--r--	2025-03-04 05:23
counter.h	1.88 KB	-rw-r--r--	2025-03-04 05:23
crc64.h	986 B	-rw-r--r--	2025-03-04 05:23
deprecated.h	622 B	-rw-r--r--	2025-03-04 05:23
dir.h	1.96 KB	-rw-r--r--	2025-03-04 05:23
entropy.h	8.76 KB	-rw-r--r--	2025-03-04 05:23
errno.h	658 B	-rw-r--r--	2025-03-04 05:23
errno2result.h	893 B	-rw-r--r--	2025-03-04 05:23
error.h	1.4 KB	-rw-r--r--	2025-03-04 05:23
event.h	2.98 KB	-rw-r--r--	2025-03-04 05:23
eventclass.h	1.35 KB	-rw-r--r--	2025-03-04 05:23
file.h	11.43 KB	-rw-r--r--	2025-03-04 05:23
formatcheck.h	892 B	-rw-r--r--	2025-03-04 05:23
fsaccess.h	7.25 KB	-rw-r--r--	2025-03-04 05:23
hash.h	7.52 KB	-rw-r--r--	2025-03-04 05:23
heap.h	5.14 KB	-rw-r--r--	2025-03-04 05:23
hex.h	2.33 KB	-rw-r--r--	2025-03-04 05:23
hmacmd5.h	1.75 KB	-rw-r--r--	2025-03-04 05:23
hmacsha.h	4.44 KB	-rw-r--r--	2025-03-04 05:23
ht.h	4.29 KB	-rw-r--r--	2025-03-04 05:23
httpd.h	2.26 KB	-rw-r--r--	2025-03-04 05:23
int.h	1.37 KB	-rw-r--r--	2025-03-04 05:23
interfaceiter.h	3.03 KB	-rw-r--r--	2025-03-04 05:23
iterated_hash.h	1.02 KB	-rw-r--r--	2025-03-04 05:23
json.h	1.42 KB	-rw-r--r--	2025-03-04 05:23
keyboard.h	976 B	-rw-r--r--	2025-03-04 05:23
lang.h	636 B	-rw-r--r--	2025-03-04 05:23
lex.h	9.42 KB	-rw-r--r--	2025-03-04 05:23
lfsr.h	2.88 KB	-rw-r--r--	2025-03-04 05:23
lib.h	1.04 KB	-rw-r--r--	2025-03-04 05:23
likely.h	718 B	-rw-r--r--	2025-03-04 05:23
list.h	5.65 KB	-rw-r--r--	2025-03-04 05:23
log.h	28.06 KB	-rw-r--r--	2025-03-04 05:23
magic.h	993 B	-rw-r--r--	2025-03-04 05:23
md5.h	2.34 KB	-rw-r--r--	2025-03-04 05:23
mem.h	20.63 KB	-rw-r--r--	2025-03-04 05:23
meminfo.h	690 B	-rw-r--r--	2025-03-04 05:23
msgcat.h	2.66 KB	-rw-r--r--	2025-03-04 05:23
msgs.h	8.22 KB	-rw-r--r--	2025-03-04 05:23
mutex.h	3.44 KB	-rw-r--r--	2025-03-04 05:23
mutexblock.h	1.34 KB	-rw-r--r--	2025-03-04 05:23
net.h	10.32 KB	-rw-r--r--	2025-03-04 05:23
netaddr.h	4.56 KB	-rw-r--r--	2025-03-04 05:23
netdb.h	862 B	-rw-r--r--	2025-03-04 05:23
netscope.h	947 B	-rw-r--r--	2025-03-04 05:23
offset.h	699 B	-rw-r--r--	2025-03-04 05:23
once.h	981 B	-rw-r--r--	2025-03-04 05:23
ondestroy.h	2.79 KB	-rw-r--r--	2025-03-04 05:23
os.h	670 B	-rw-r--r--	2025-03-04 05:23
parseint.h	1.49 KB	-rw-r--r--	2025-03-04 05:23
platform.h	9.31 KB	-rw-r--r--	2025-03-04 05:23
pool.h	3.42 KB	-rw-r--r--	2025-03-04 05:23
portset.h	3.21 KB	-rw-r--r--	2025-03-04 05:23
print.h	2.49 KB	-rw-r--r--	2025-03-04 05:23
queue.h	4.66 KB	-rw-r--r--	2025-03-04 05:23
quota.h	2.29 KB	-rw-r--r--	2025-03-04 05:23
radix.h	6.37 KB	-rw-r--r--	2025-03-04 05:23
random.h	2.99 KB	-rw-r--r--	2025-03-04 05:23
ratelimiter.h	3.38 KB	-rw-r--r--	2025-03-04 05:23
refcount.h	7.89 KB	-rw-r--r--	2025-03-04 05:23
regex.h	766 B	-rw-r--r--	2025-03-04 05:23
region.h	1.99 KB	-rw-r--r--	2025-03-04 05:23
resource.h	2.8 KB	-rw-r--r--	2025-03-04 05:23
result.h	4.62 KB	-rw-r--r--	2025-03-04 05:23
resultclass.h	1.56 KB	-rw-r--r--	2025-03-04 05:23
rwlock.h	3.6 KB	-rw-r--r--	2025-03-04 05:23
safe.h	1.21 KB	-rw-r--r--	2025-03-04 05:23
serial.h	1.4 KB	-rw-r--r--	2025-03-04 05:23
sha1.h	1.52 KB	-rw-r--r--	2025-03-04 05:23
sha2.h	5.65 KB	-rw-r--r--	2025-03-04 05:23
sockaddr.h	6 KB	-rw-r--r--	2025-03-04 05:23
socket.h	35.81 KB	-rw-r--r--	2025-03-04 05:23
stat.h	805 B	-rw-r--r--	2025-03-04 05:23
stats.h	3.02 KB	-rw-r--r--	2025-03-04 05:23
stdio.h	1.74 KB	-rw-r--r--	2025-03-04 05:23
stdlib.h	703 B	-rw-r--r--	2025-03-04 05:23
stdtime.h	1.3 KB	-rw-r--r--	2025-03-04 05:23
strerror.h	776 B	-rw-r--r--	2025-03-04 05:23
string.h	5.94 KB	-rw-r--r--	2025-03-04 05:23
symtab.h	4.21 KB	-rw-r--r--	2025-03-04 05:23
syslog.h	843 B	-rw-r--r--	2025-03-04 05:23
task.h	21.08 KB	-rw-r--r--	2025-03-04 05:23
taskpool.h	3.61 KB	-rw-r--r--	2025-03-04 05:23
thread.h	1.47 KB	-rw-r--r--	2025-03-04 05:23
time.h	8.66 KB	-rw-r--r--	2025-03-04 05:23
timer.h	10.54 KB	-rw-r--r--	2025-03-04 05:23
tm.h	894 B	-rw-r--r--	2025-03-04 05:23
types.h	5.54 KB	-rw-r--r--	2025-03-04 05:23
util.h	7.49 KB	-rw-r--r--	2025-03-04 05:23
version.h	688 B	-rw-r--r--	2025-03-04 05:23
xml.h	1.07 KB	-rw-r--r--	2025-03-04 05:23

Rename

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/* $Id: random.h,v 1.20 2009/01/17 23:47:43 tbox Exp $ */

#ifndef ISC_RANDOM_H
#define ISC_RANDOM_H 1

#include <isc/lang.h>
#include <isc/types.h>
#include <isc/entropy.h>
#include <isc/mem.h>
#include <isc/mutex.h>

/*! \file isc/random.h
 * \brief Implements a random state pool which will let the caller return a
 * series of possibly non-reproducible random values.
 *
 * Note that the
 * strength of these numbers is not all that high, and should not be
 * used in cryptography functions.  It is useful for jittering values
 * a bit here and there, such as timeouts, etc.
 */

ISC_LANG_BEGINDECLS

typedef struct isc_rng isc_rng_t;
/*%<
 * Opaque type
 */

void
isc_random_seed(isc_uint32_t seed);
/*%<
 * Set the initial seed of the random state.
 */

void
isc_random_get(isc_uint32_t *val);
/*%<
 * Get a random value.
 *
 * Requires:
 *	val != NULL.
 */

isc_uint32_t
isc_random_jitter(isc_uint32_t max, isc_uint32_t jitter);
/*%<
 * Get a random value between (max - jitter) and (max).
 * This is useful for jittering timer values.
 */

isc_result_t
isc_rng_create(isc_mem_t *mctx, isc_entropy_t *entropy, isc_rng_t **rngp);
/*%<
 * Creates and initializes a pseudo random number generator. The
 * returned RNG can be used to generate pseudo random numbers.
 *
 * The reference count of the returned RNG is set to 1.
 *
 * Requires:
 * \li mctx is a pointer to a valid memory context.
 * \li entropy is an optional entopy source (can be NULL)
 * \li rngp != NULL && *rngp == NULL is where a pointer to the RNG is
 *     returned.
 *
 * Ensures:
 *\li	If result is ISC_R_SUCCESS:
 *		*rngp points to a valid RNG.
 *
 *\li	If result is failure:
 *		*rngp does not point to a valid RNG.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS	Success
 *\li	#ISC_R_NOMEMORY Resource limit: Out of Memory
 */

void
isc_rng_attach(isc_rng_t *source, isc_rng_t **targetp);
/*%<
 * Increments a reference count on the passed RNG.
 *
 * Requires:
 * \li source the RNG struct to attach to (is refcount is incremented)
 * \li targetp != NULL && *targetp == NULL where a pointer to the
 *     reference incremented RNG is returned.
 */

void
isc_rng_detach(isc_rng_t **rngp);
/*%<
 * Decrements a reference count on the passed RNG. If the reference
 * count reaches 0, the RNG is destroyed.
 *
 * Requires:
 * \li rngp != NULL the RNG struct to decrement reference for
 */

isc_uint16_t
isc_rng_random(isc_rng_t *rngctx);
/*%<
 * Returns a pseudo random 16-bit unsigned integer.
 */

isc_uint16_t
isc_rng_uniformrandom(isc_rng_t *rngctx, isc_uint16_t upper_bound);
/*%<
 * Returns a uniformly distributed pseudo random 16-bit unsigned
 * integer.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_RANDOM_H */