mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-23 10:39:16 +00:00
1a69a1a78c
Cleanup of redundant/useless header file inclusion.
ISC style lint, primarily for function declarations and standalone
comments -- ie, those that appear on a line without any code, which
should be written as follows:
/*
* This is a comment.
*/
114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
/*
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* Copyright (C) 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <config.h>
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#include <stdlib.h>
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#include <isc/mutex.h>
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#include <isc/once.h>
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#include <isc/random.h>
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#include <isc/string.h>
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#include <isc/util.h>
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static isc_once_t once = ISC_ONCE_INIT;
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static isc_mutex_t rand_lock;
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static void
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initialize_rand(void)
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{
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RUNTIME_CHECK(isc_mutex_init(&rand_lock) == ISC_R_SUCCESS);
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}
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static void
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initialize(void)
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{
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RUNTIME_CHECK(isc_once_do(&once, initialize_rand) == ISC_R_SUCCESS);
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}
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isc_result_t
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isc_random_init(isc_random_t *r)
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{
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REQUIRE(r != NULL);
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r->magic = ISC_RANDOM_MAGIC;
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#if 0
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return (isc_mutex_init(&r->lock));
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#else
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return (ISC_R_SUCCESS);
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#endif
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}
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isc_result_t
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isc_random_invalidate(isc_random_t *r)
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{
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isc_result_t result;
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REQUIRE(ISC_RANDOM_VALID(r));
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#if 0
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result = isc_mutex_destroy(&r->lock);
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#else
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result = ISC_R_SUCCESS;
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#endif
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memset(r, 0, sizeof(isc_random_t));
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return (result);
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}
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void
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isc_random_seed(isc_random_t *r, isc_uint32_t seed)
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{
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REQUIRE(ISC_RANDOM_VALID(r));
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UNUSED(r);
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initialize();
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#if 0
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LOCK(&r->lock);
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#endif
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LOCK(&rand_lock);
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srand(seed);
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UNLOCK(&rand_lock);
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#if 0
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UNLOCK(&r->lock);
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#endif
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}
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void
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isc_random_get(isc_random_t *r, isc_uint32_t *val)
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{
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REQUIRE(ISC_RANDOM_VALID(r));
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REQUIRE(val != NULL);
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UNUSED(r);
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initialize();
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#if 0
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LOCK(&r->lock);
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#endif
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LOCK(&rand_lock);
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*val = rand();
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UNLOCK(&rand_lock);
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#if 0
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UNLOCK(&r->lock);
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#endif
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}
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