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ip addr: unify parsing args

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function                                             old     new   delta
do_ipaddr                                             87      84      -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3)               Total: -3 bytes

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer 2010-05-25 17:42:01 +02:00
parent 1b3549875c
commit cc4493a95c
1 changed files with 7 additions and 13 deletions
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20
networking/libiproute/ipaddress.c
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@ -773,21 +773,15 @@ int do_ipaddr(char **argv)
{
static const char commands[] ALIGN1 =
"add\0""delete\0""list\0""show\0""lst\0""flush\0";
int command_num = 2; /* default command is list */
smalluint cmd = 2;
if (*argv) {
command_num = index_in_substrings(commands, *argv);
if (command_num < 0 || command_num > 5)
bb_error_msg_and_die("unknown command %s", *argv);
cmd = index_in_substrings(commands, *argv);
if (cmd > 5)
bb_error_msg_and_die(bb_msg_invalid_arg, *argv, applet_name);
argv++;
if (cmd <= 1)
return ipaddr_modify((cmd == 0) ? RTM_NEWADDR : RTM_DELADDR, argv);
}
if (command_num == 0) /* add */
return ipaddr_modify(RTM_NEWADDR, argv);
if (command_num == 1) /* delete */
return ipaddr_modify(RTM_DELADDR, argv);
if (command_num == 5) /* flush */
return ipaddr_list_or_flush(argv, 1);
/* 2 == list, 3 == show, 4 == lst */
return ipaddr_list_or_flush(argv, 0);
return ipaddr_list_or_flush(argv, cmd == 5);
}