net/virtio: fix incorrect cast of void *
[dpdk.git] / cmdline / cmdline_parse_etheraddr.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation.
3  * Copyright (c) 2009, Olivier MATZ <zer0@droids-corp.org>
4  * All rights reserved.
5  */
6
7 #include <stdio.h>
8 #include <string.h>
9
10 #include <rte_string_fns.h>
11 #include <rte_ether.h>
12
13 #include "cmdline_parse.h"
14 #include "cmdline_parse_etheraddr.h"
15
16 struct cmdline_token_ops cmdline_token_etheraddr_ops = {
17         .parse = cmdline_parse_etheraddr,
18         .complete_get_nb = NULL,
19         .complete_get_elt = NULL,
20         .get_help = cmdline_get_help_etheraddr,
21 };
22
23 int
24 cmdline_parse_etheraddr(__rte_unused cmdline_parse_token_hdr_t *tk,
25         const char *buf, void *res, unsigned ressize)
26 {
27         unsigned int token_len = 0;
28         char ether_str[RTE_ETHER_ADDR_FMT_SIZE];
29         struct rte_ether_addr tmp;
30
31         if (res && ressize < sizeof(tmp))
32                 return -1;
33
34         if (!buf || ! *buf)
35                 return -1;
36
37         while (!cmdline_isendoftoken(buf[token_len]))
38                 token_len++;
39
40         /* if token doesn't match possible string lengths... */
41         if (token_len >= RTE_ETHER_ADDR_FMT_SIZE)
42                 return -1;
43
44         strlcpy(ether_str, buf, token_len + 1);
45
46         if (rte_ether_unformat_addr(ether_str, &tmp) < 0)
47                 return -1;
48
49         if (res)
50                 memcpy(res, &tmp, sizeof(tmp));
51         return token_len;
52 }
53
54 int
55 cmdline_get_help_etheraddr(__rte_unused cmdline_parse_token_hdr_t *tk,
56                                char *dstbuf, unsigned int size)
57 {
58         int ret;
59
60         ret = snprintf(dstbuf, size, "Ethernet address");
61         if (ret < 0)
62                 return -1;
63         return 0;
64 }