libcoap  4.3.1
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 
17 #ifndef COAP_ENCODE_H_
18 #define COAP_ENCODE_H_
19 
20 #if (BSD >= 199103) || defined(WITH_CONTIKI) || defined(_WIN32)
21 # include <string.h>
22 #else
23 # include <strings.h>
24 #endif
25 
26 #include <stdint.h>
27 
28 #ifndef HAVE_FLS
29 /* include this only if fls() is not available */
30 extern int coap_fls(unsigned int i);
31 #else
32 #define coap_fls(i) fls(i)
33 #endif
34 
35 #ifndef HAVE_FLSLL
36  /* include this only if flsll() is not available */
37 extern int coap_flsll(long long i);
38 #else
39 #define coap_flsll(i) flsll(i)
40 #endif
41 
58 unsigned int coap_decode_var_bytes(const uint8_t *buf, size_t length);
59 
69 uint64_t coap_decode_var_bytes8(const uint8_t *buf, size_t length);
70 
84 unsigned int coap_encode_var_safe(uint8_t *buf,
85  size_t length,
86  unsigned int value);
87 
101 unsigned int coap_encode_var_safe8(uint8_t *buf,
102  size_t length,
103  uint64_t value);
104 
123 coap_encode_var_bytes(uint8_t *buf, unsigned int value
124 ) {
125  return (int)coap_encode_var_safe(buf, sizeof(value), value);
126 }
127 
128 #endif /* COAP_ENCODE_H_ */
int coap_flsll(long long i)
Definition: encode.c:26
int coap_fls(unsigned int i)
Definition: encode.c:20
COAP_STATIC_INLINE COAP_DEPRECATED int coap_encode_var_bytes(uint8_t *buf, unsigned int value)
Definition: encode.h:123
unsigned int coap_encode_var_safe(uint8_t *buf, size_t length, unsigned int value)
Encodes multiple-length byte sequences.
Definition: encode.c:45
unsigned int coap_decode_var_bytes(const uint8_t *buf, size_t length)
Decodes multiple-length byte sequences.
Definition: encode.c:36
uint64_t coap_decode_var_bytes8(const uint8_t *buf, size_t length)
Decodes multiple-length byte sequences.
Definition: encode.c:65
unsigned int coap_encode_var_safe8(uint8_t *buf, size_t length, uint64_t value)
Encodes multiple-length byte sequences.
Definition: encode.c:75
#define COAP_DEPRECATED
Definition: libcoap.h:53
#define COAP_STATIC_INLINE
Definition: libcoap.h:45