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/* vi: set sw=4 ts=4: */
/*
* 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 "ip_common.h" /* #include "libbb.h" is inside */
#include "utils.h"
int preferred_family = AF_UNSPEC;
smallint oneline;
char _SL_;
void ip_parse_common_args(int *argcp, char ***argvp)
{
int argc = *argcp;
char **argv = *argvp;
static const char ip_common_commands[] ALIGN1 =
"-family\0""inet\0""inet6\0""link\0"
"-4\0""-6\0""-0\0""-oneline\0";
enum {
ARG_family = 1,
ARG_inet,
ARG_inet6,
ARG_link,
ARG_IPv4,
ARG_IPv6,
ARG_packet,
ARG_oneline
};
smalluint arg;
while (argc > 1) {
char *opt = argv[1];
if (strcmp(opt,"--") == 0) {
argc--;
argv++;
break;
}
if (opt[0] != '-')
break;
if (opt[1] == '-')
opt++;
arg = index_in_strings(ip_common_commands, opt) + 1;
if (arg == ARG_family) {
argc--;
argv++;
if (!argv[1])
bb_show_usage();
arg = index_in_strings(ip_common_commands, argv[1]) + 1;
if (arg == ARG_inet)
preferred_family = AF_INET;
else if (arg == ARG_inet6)
preferred_family = AF_INET6;
else if (arg == ARG_link)
preferred_family = AF_PACKET;
else
invarg(argv[1], "protocol family");
} else if (arg == ARG_IPv4) {
preferred_family = AF_INET;
} else if (arg == ARG_IPv6) {
preferred_family = AF_INET6;
} else if (arg == ARG_packet) {
preferred_family = AF_PACKET;
} else if (arg == ARG_oneline) {
++oneline;
} else {
bb_show_usage();
}
argc--;
argv++;
}
_SL_ = oneline ? '\\' : '\n';
*argcp = argc;
*argvp = argv;
}
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