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/*
* ngtcp2
*
* Copyright (c) 2025 ngtcp2 contributors
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NGTCP2_PCG_H
#define NGTCP2_PCG_H
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* defined(HAVE_CONFIG_H) */
#include <ngtcp2/ngtcp2.h>
typedef struct ngtcp2_pcg32 {
uint64_t state;
} ngtcp2_pcg32;
/*
* ngtcp2_pcg32_init initializes |pcg| with |seed|.
*/
void ngtcp2_pcg32_init(ngtcp2_pcg32 *pcg, uint64_t seed);
/*
* ngtcp2_pcg32_rand returns a random value in [0, UINT32_MAX].
*/
uint32_t ngtcp2_pcg32_rand(ngtcp2_pcg32 *pcg);
/*
* ngtcp2_pcg32_rand_n returns a random value in [0, n). |n| must not
* be zero.
*/
uint32_t ngtcp2_pcg32_rand_n(ngtcp2_pcg32 *pcg, uint32_t n);
#endif /* !defined(NGTCP2_PCG_H) */
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