libcoap  4.3.0
encode.h
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1 /*
2  * encode.h -- encoding and decoding of CoAP data types
3  *
4  * Copyright (C) 2010-2012 Olaf Bergmann <bergmann@tzi.org>
5  *
6  * SPDX-License-Identifier: BSD-2-Clause
7  *
8  * This file is part of the CoAP library libcoap. Please see README for terms
9  * of use.
10  */
11 
12 #ifndef COAP_ENCODE_H_
13 #define COAP_ENCODE_H_
14 
15 #if (BSD >= 199103) || defined(WITH_CONTIKI) || defined(_WIN32)
16 # include <string.h>
17 #else
18 # include <strings.h>
19 #endif
20 
21 #include <stdint.h>
22 
23 #ifndef HAVE_FLS
24 /* include this only if fls() is not available */
25 extern int coap_fls(unsigned int i);
26 #else
27 #define coap_fls(i) fls(i)
28 #endif
29 
30 #ifndef HAVE_FLSLL
31  /* include this only if flsll() is not available */
32 extern int coap_flsll(long long i);
33 #else
34 #define coap_flsll(i) flsll(i)
35 #endif
36 
52 unsigned int coap_decode_var_bytes(const uint8_t *buf, size_t length);
53 
63 uint64_t coap_decode_var_bytes8(const uint8_t *buf, size_t length);
64 
77 unsigned int coap_encode_var_safe(uint8_t *buf,
78  size_t length,
79  unsigned int value);
80 
93 unsigned int coap_encode_var_safe8(uint8_t *buf,
94  size_t length,
95  uint64_t value);
96 
115 coap_encode_var_bytes(uint8_t *buf, unsigned int value
116 ) {
117  return (int)coap_encode_var_safe(buf, sizeof(value), value);
118 }
119 
120 #endif /* COAP_ENCODE_H_ */
int coap_flsll(long long i)
Definition: encode.c:21
int coap_fls(unsigned int i)
Definition: encode.c:15
COAP_STATIC_INLINE COAP_DEPRECATED int coap_encode_var_bytes(uint8_t *buf, unsigned int value)
Definition: encode.h:115
unsigned int coap_encode_var_safe(uint8_t *buf, size_t length, unsigned int value)
Encodes multiple-length byte sequences.
Definition: encode.c:40
unsigned int coap_decode_var_bytes(const uint8_t *buf, size_t length)
Decodes multiple-length byte sequences.
Definition: encode.c:31
uint64_t coap_decode_var_bytes8(const uint8_t *buf, size_t length)
Decodes multiple-length byte sequences.
Definition: encode.c:60
unsigned int coap_encode_var_safe8(uint8_t *buf, size_t length, uint64_t value)
Encodes multiple-length byte sequences.
Definition: encode.c:70
#define COAP_DEPRECATED
Definition: libcoap.h:48
#define COAP_STATIC_INLINE
Definition: libcoap.h:40