busybox/networking/ip.c
Denys Vlasenko 2e9b5510d6 libiproute: code shrink by adding FAST_FUNC
function                                             old     new   delta
ipaddr_list_or_flush                                1282    1293     +11
ip_parse_common_args                                 153     151      -2
ip_main                                               53      50      -3
ip_do                                                 19      15      -4
do_iptunnel                                          985     980      -5
do_iprule                                            982     977      -5
do_iplink                                           1637    1631      -6
do_iproute                                          2105    2098      -7
do_ipaddr                                           1406    1398      -8
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/8 up/down: 11/-40)            Total: -29 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-07-24 23:27:38 +02:00

108 lines
2.7 KiB
C

/* vi: set sw=4 ts=4: */
/*
* "ip" utility frontend.
*
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*
* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
*
* Changes:
* Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
* Bernhard Reutner-Fischer rewrote to use index_in_substr_array
*/
#include "libbb.h"
#include "libiproute/utils.h"
#include "libiproute/ip_common.h"
#if ENABLE_FEATURE_IP_ADDRESS \
|| ENABLE_FEATURE_IP_ROUTE \
|| ENABLE_FEATURE_IP_LINK \
|| ENABLE_FEATURE_IP_TUNNEL \
|| ENABLE_FEATURE_IP_RULE
static int FAST_FUNC ip_print_help(char **argv UNUSED_PARAM)
{
bb_show_usage();
}
typedef int FAST_FUNC (*ip_func_ptr_t)(char**);
static int ip_do(ip_func_ptr_t ip_func, char **argv)
{
argv = ip_parse_common_args(argv + 1);
return ip_func(argv);
}
#if ENABLE_FEATURE_IP_ADDRESS
int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipaddr_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_ipaddr, argv);
}
#endif
#if ENABLE_FEATURE_IP_LINK
int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iplink_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_iplink, argv);
}
#endif
#if ENABLE_FEATURE_IP_ROUTE
int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iproute_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_iproute, argv);
}
#endif
#if ENABLE_FEATURE_IP_RULE
int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iprule_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_iprule, argv);
}
#endif
#if ENABLE_FEATURE_IP_TUNNEL
int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int iptunnel_main(int argc UNUSED_PARAM, char **argv)
{
return ip_do(do_iptunnel, argv);
}
#endif
int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ip_main(int argc UNUSED_PARAM, char **argv)
{
static const char keywords[] ALIGN1 =
IF_FEATURE_IP_ADDRESS("address\0")
IF_FEATURE_IP_ROUTE("route\0")
IF_FEATURE_IP_ROUTE("r\0")
IF_FEATURE_IP_LINK("link\0")
IF_FEATURE_IP_TUNNEL("tunnel\0")
IF_FEATURE_IP_TUNNEL("tunl\0")
IF_FEATURE_IP_RULE("rule\0")
;
static const ip_func_ptr_t ip_func_ptrs[] = {
ip_print_help,
IF_FEATURE_IP_ADDRESS(do_ipaddr,)
IF_FEATURE_IP_ROUTE(do_iproute,)
IF_FEATURE_IP_ROUTE(do_iproute,)
IF_FEATURE_IP_LINK(do_iplink,)
IF_FEATURE_IP_TUNNEL(do_iptunnel,)
IF_FEATURE_IP_TUNNEL(do_iptunnel,)
IF_FEATURE_IP_RULE(do_iprule,)
};
ip_func_ptr_t ip_func;
int key;
argv = ip_parse_common_args(argv + 1);
key = *argv ? index_in_substrings(keywords, *argv++) : -1;
ip_func = ip_func_ptrs[key + 1];
return ip_func(argv);
}
#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */