aboutsummaryrefslogtreecommitdiff
path: root/networking/libiproute/ip_parse_common_args.c
blob: 6d49157750e597d88b11c6cbdea2e52176b91832 (plain)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/*
 * ip.c		"ip" utility frontend.
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 *
 * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
 *
 *
 * Changes:
 *
 * Rani Assaf <rani@magic.metawire.com> 980929:	resolve addresses
 */

#include <string.h>

#include "libbb.h"
#include "utils.h"
#include "ip_common.h"


int preferred_family = AF_UNSPEC;
int oneline = 0;
char * _SL_ = NULL;

void ip_parse_common_args(int *argcp, char ***argvp)
{
	int argc = *argcp;
	char **argv = *argvp;

	while (argc > 1) {
		char *opt = argv[1];

		if (strcmp(opt,"--") == 0) {
			argc--; argv++;
			break;
		}

		if (opt[0] != '-')
			break;

		if (opt[1] == '-')
			opt++;

		if (matches(opt, "-family") == 0) {
			argc--;
			argv++;
			if (! argv[1])
			    bb_show_usage();
			if (strcmp(argv[1], "inet") == 0)
				preferred_family = AF_INET;
			else if (strcmp(argv[1], "inet6") == 0)
				preferred_family = AF_INET6;
			else if (strcmp(argv[1], "link") == 0)
				preferred_family = AF_PACKET;
			else
				invarg(argv[1], "protocol family");
		} else if (strcmp(opt, "-4") == 0) {
			preferred_family = AF_INET;
		} else if (strcmp(opt, "-6") == 0) {
			preferred_family = AF_INET6;
		} else if (strcmp(opt, "-0") == 0) {
			preferred_family = AF_PACKET;
		} else if (matches(opt, "-oneline") == 0) {
			++oneline;
		} else {
			bb_show_usage();
		}
		argc--;	argv++;
	}
	_SL_ = oneline ? "\\" : "\n" ;
	*argcp = argc;
	*argvp = argv;
}