libcoap
4.3.2
coap_hashkey_internal.h
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/*
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* coap_hashkey.h -- definition of hash key type and helper functions
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*
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* Copyright (C) 2010-2011 Olaf Bergmann <bergmann@tzi.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* This file is part of the CoAP library libcoap. Please see README for terms
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* of use.
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*/
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#ifndef COAP_HASHKEY_INTERNAL_H_
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#define COAP_HASHKEY_INTERNAL_H_
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#include "
libcoap.h
"
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#include "coap_uthash_internal.h"
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#include "
coap_str.h
"
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typedef
unsigned
char
coap_key_t
[4];
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#ifndef coap_hash
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void
coap_hash_impl
(
const
unsigned
char
*s,
size_t
len,
coap_key_t
h);
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#define coap_hash(String,Length,Result) \
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coap_hash_impl((String),(Length),(Result))
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/* This is used to control the pre-set hash-keys for resources. */
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#define COAP_DEFAULT_HASH
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#else
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#undef COAP_DEFAULT_HASH
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#endif
/* coap_hash */
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#define coap_str_hash(Str,H) { \
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assert(Str); \
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memset((H), 0, sizeof(coap_key_t)); \
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coap_hash((Str)->s, (Str)->length, (H)); \
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}
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#endif
/* COAP_HASHKEY_INTERNAL_H_ */
coap_key_t
unsigned char coap_key_t[4]
Definition:
coap_hashkey_internal.h:24
coap_hash_impl
void coap_hash_impl(const unsigned char *s, size_t len, coap_key_t h)
Calculates a fast hash over the given string s of length len and stores the result into h.
Definition:
coap_hashkey.c:19
coap_str.h
Strings to be used in the CoAP library.
libcoap.h
Platform specific header file for CoAP stack.
libcoap
include
coap3
coap_hashkey_internal.h
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