a752c7ab
 elopes
add first test an...
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @{
*
* @file
*/
#include "net/gnrc/netif.h"
static inline char _half_byte_to_char(uint8_t half_byte)
{
return (half_byte < 10) ? ('0' + half_byte) : ('a' + (half_byte - 10));
}
char *gnrc_netif_addr_to_str(char *out, size_t out_len, const uint8_t *addr,
size_t addr_len)
{
size_t i;
if (out_len < (3 * addr_len)) { /* 2 for every byte, 1 for ':' or '\0' */
return NULL;
}
out[0] = '\0';
for (i = 0; i < addr_len; i++) {
out[(3 * i)] = _half_byte_to_char(addr[i] >> 4);
out[(3 * i) + 1] = _half_byte_to_char(addr[i] & 0xf);
if (i != (addr_len - 1)) {
out[(3 * i) + 2] = ':';
}
else {
out[(3 * i) + 2] = '\0';
}
}
return out;
}
/** @} */
|