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/* SPDX-License-Identifier: CC0-1.0 */
#pragma once
#include <inttypes.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/types.h>
#include "string-util.h"
#include "time-util.h"
struct siphash {
uint64_t v0;
uint64_t v1;
uint64_t v2;
uint64_t v3;
uint64_t padding;
size_t inlen;
};
void siphash24_init(struct siphash *state, const uint8_t k[static 16]);
void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
#define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state))
#define siphash24_compress_typesafe(in, state) \
siphash24_compress(&(in), sizeof(typeof(in)), (state))
static inline void siphash24_compress_boolean(bool in, struct siphash *state) {
siphash24_compress_byte(in, state);
}
static inline void siphash24_compress_usec_t(usec_t in, struct siphash *state) {
uint64_t u = htole64(in);
siphash24_compress_typesafe(u, state);
}
static inline void siphash24_compress_safe(const void *in, size_t inlen, struct siphash *state) {
if (inlen == 0)
return;
siphash24_compress(in, inlen, state);
}
static inline void siphash24_compress_string(const char *in, struct siphash *state) {
siphash24_compress_safe(in, strlen_ptr(in), state);
}
uint64_t siphash24_finalize(struct siphash *state);
uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[static 16]);
static inline uint64_t siphash24_string(const char *s, const uint8_t k[static 16]) {
return siphash24(s, strlen(s) + 1, k);
}
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