coap_encode.h

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/*
 * encode.h -- encoding and decoding of CoAP data types
 *
 * Copyright (C) 2010-2012,2023-2025 Olaf Bergmann <bergmann@tzi.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * This file is part of the CoAP library libcoap. Please see README for terms
 * of use.
 */
 
#ifndef COAP_ENCODE_H_
#define COAP_ENCODE_H_
 
#if (BSD >= 199103) || defined(_WIN32)
# include <string.h>
#else
# include <strings.h>
#endif
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef HAVE_FLS
/* include this only if fls() is not available */
extern int coap_fls(unsigned int i);
#else
#define coap_fls(i) fls(i)
#endif
 
#ifndef HAVE_FLSLL
/* include this only if flsll() is not available */
extern int coap_flsll(long long i);
#else
#define coap_flsll(i) flsll(i)
#endif
 
unsigned int coap_decode_var_bytes(const uint8_t *buf, size_t length);
 
uint64_t coap_decode_var_bytes8(const uint8_t *buf, size_t length);
 
unsigned int coap_encode_var_safe(uint8_t *buf,
                                  size_t length,
                                  unsigned int value);
 
unsigned int coap_encode_var_safe8(uint8_t *buf,
                                   size_t length,
                                   uint64_t value);
 
COAP_STATIC_INLINE COAP_DEPRECATED int
coap_encode_var_bytes(uint8_t *buf, unsigned int value) {
  return (int)coap_encode_var_safe(buf, sizeof(value), value);
}
 
#ifdef __cplusplus
}
#endif
 
#endif /* COAP_ENCODE_H_ */