Lionel Gauthier
26495e6a0a
git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5552 818b1a75-f10b-46b9-bf7c-635c3b92a50f
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@eurecom.fr
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Address : Eurecom, Compus SophiaTech 450, route des chappes, 06451 Biot, France.
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*******************************************************************************/
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <gmp.h>
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#include <sys/time.h>
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#include "auc.h"
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typedef struct random_state_s {
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pthread_mutex_t lock;
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gmp_randstate_t state;
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} random_state_t;
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random_state_t random_state;
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void random_init(void)
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{
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// mpz_t number;
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// pthread_mutex_init(&random_state.lock, NULL);
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// mpz_init(number);
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// gmp_randinit_default(random_state.state);
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// srand(time(NULL));
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struct timeval t1;
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gettimeofday(&t1, NULL);
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srand(t1.tv_usec * t1.tv_sec);
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}
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/* Generate a random number between 0 and 2^length - 1 where length is expressed
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* in bits.
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*/
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void generate_random(uint8_t *random_p, ssize_t length)
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{
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// random_t random_nb;
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// mpz_init_set_ui(random_nb, 0);
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// pthread_mutex_lock(&random_state.lock);
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// mpz_urandomb(random_nb, random_state.state, 8 * length);
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// pthread_mutex_unlock(&random_state.lock);
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// mpz_export(random_p, NULL, 1, length, 0, 0, random_nb);
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int r = 0, i, mask = 0, shift;
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for (i = 0; i < length; i ++) {
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// if ((i % sizeof(i)) == 0)
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// r = rand();
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// shift = 8 * (i % sizeof(i));
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// mask = 0xFF << shift;
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// random_p[i] = (r & mask) >> shift;
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random_p[i] = rand();
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}
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}
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