mirror of
https://github.com/morgan9e/systemd
synced 2026-04-14 08:25:20 +09:00
c01a5c0527
To prevent copy-and-paste mistake. This also introduce in_addr_hash_func(). No functional change, just refactoring.
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* SPDX-License-Identifier: CC0-1.0 */
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#pragma once
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#include <inttypes.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "string-util.h"
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#include "time-util.h"
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struct siphash {
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uint64_t v0;
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uint64_t v1;
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uint64_t v2;
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uint64_t v3;
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uint64_t padding;
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size_t inlen;
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};
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void siphash24_init(struct siphash *state, const uint8_t k[static 16]);
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void siphash24_compress(const void *in, size_t inlen, struct siphash *state);
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#define siphash24_compress_byte(byte, state) siphash24_compress((const uint8_t[]) { (byte) }, 1, (state))
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#define siphash24_compress_typesafe(in, state) \
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siphash24_compress(&(in), sizeof(typeof(in)), (state))
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static inline void siphash24_compress_boolean(bool in, struct siphash *state) {
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siphash24_compress_byte(in, state);
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}
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static inline void siphash24_compress_usec_t(usec_t in, struct siphash *state) {
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uint64_t u = htole64(in);
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siphash24_compress_typesafe(u, state);
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}
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static inline void siphash24_compress_safe(const void *in, size_t inlen, struct siphash *state) {
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if (inlen == 0)
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return;
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siphash24_compress(in, inlen, state);
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}
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static inline void siphash24_compress_string(const char *in, struct siphash *state) {
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siphash24_compress_safe(in, strlen_ptr(in), state);
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}
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uint64_t siphash24_finalize(struct siphash *state);
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uint64_t siphash24(const void *in, size_t inlen, const uint8_t k[static 16]);
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static inline uint64_t siphash24_string(const char *s, const uint8_t k[static 16]) {
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return siphash24(s, strlen(s) + 1, k);
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}
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