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fletcher32.h
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1/*
2 * Copyright (C) 2015 Eistec AB
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser
5 * General Public License v2.1. See the file LICENSE in the top level
6 * directory for more details.
7 */
8
9#pragma once
10
22
23#include <stdlib.h>
24#include <stdint.h>
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
33typedef struct {
34 uint32_t sum1;
35 uint32_t sum2;
36} fletcher32_ctx_t;
37
51uint32_t fletcher32(const uint16_t *buf, size_t words);
52
60void fletcher32_init(fletcher32_ctx_t *ctx);
61
73void fletcher32_update(fletcher32_ctx_t *ctx, const void *data, size_t words);
74
82uint32_t fletcher32_finish(fletcher32_ctx_t *ctx);
83
84#ifdef __cplusplus
85}
86#endif
87
fletcher32_finish
uint32_t fletcher32_finish(fletcher32_ctx_t *ctx)
Finalize the checksum operation and return the checksum.
fletcher32_init
void fletcher32_init(fletcher32_ctx_t *ctx)
Initialize a fletcher32 context.
fletcher32
uint32_t fletcher32(const uint16_t *buf, size_t words)
Fletcher's 32 bit checksum.
fletcher32_update
void fletcher32_update(fletcher32_ctx_t *ctx, const void *data, size_t words)
Incrementally update the fletcher32 context with new data.
fletcher32_ctx_t
Fletcher's 32 bit checksum context struct.
Definition fletcher32.h:33
fletcher32_ctx_t::sum2
uint32_t sum2
Second sum of the checksum.
Definition fletcher32.h:35
fletcher32_ctx_t::sum1
uint32_t sum1
First sum of the checksum.
Definition fletcher32.h:34