21 lines
565 B
C
21 lines
565 B
C
#ifndef RANDOM_H
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#define RANDOM_H
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#include <stdint.h>
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#define RANDOM_CACHE_SIZE 4096
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struct random_state {
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size_t index;
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uint8_t cache[RANDOM_CACHE_SIZE];
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};
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void random_state_init(struct random_state *state);
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void get_random_bytes(struct random_state *state, void *buf, size_t size);
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uint16_t get_random_u16(struct random_state *state);
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uint16_t get_random_u16_uniform(struct random_state *state, uint16_t bound);
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uint64_t get_random_u64(struct random_state *state);
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uint64_t get_random_u64_uniform(struct random_state *state, uint64_t bound);
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#endif
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