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/*
* Copyright (C) the libgit2 contributors. All rights reserved.
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_rand_h__
#define INCLUDE_rand_h__
#include "git2_util.h"
/**
* Initialize the random number generation subsystem. This will
* seed the random number generator with the system's entropy pool,
* if available, and will fall back to the current time and
* system information if not.
*/
int git_rand_global_init(void);
/**
* Seed the pseudo-random number generator. This is not needed to be
* called; the PRNG is seeded by `git_rand_global_init`, but it may
* be useful for testing. When the same seed is specified, the same
* sequence of random numbers from `git_rand_next` is emitted.
*
* @param seed the seed to use
*/
void git_rand_seed(uint64_t seed);
/**
* Get the next pseudo-random number in the sequence.
*
* @return a 64-bit pseudo-random number
*/
uint64_t git_rand_next(void);
#endif
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