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authorDenis Vlasenko2007-11-18 22:56:25 +0000
committerDenis Vlasenko2007-11-18 22:56:25 +0000
commited6a49c657ae204f6ba8ad84315fa04c09297a7c (patch)
tree5f47e19e16582dfcdefb99bc1edea693e86c258d /networking/ip.c
parent2a587df80a148e497d10344c79f2b94d3bce6aaf (diff)
downloadbusybox-ed6a49c657ae204f6ba8ad84315fa04c09297a7c.zip
busybox-ed6a49c657ae204f6ba8ad84315fa04c09297a7c.tar.gz
ip: stop propagating argc; optimize ip_parse_common_args
function old new delta find_pair 167 187 +20 static.families - 17 +17 die_must_be_on_off - 11 +11 ... on_off 33 22 -11 do_ipaddr 103 90 -13 do_iptunnel 1001 986 -15 iproute_list_or_flush 1237 1217 -20 static.ip_common_commands 43 22 -21 do_iproute 2217 2193 -24 parse_args 1444 1414 -30 ip_do 47 16 -31 do_iprule 994 963 -31 ip_main 153 113 -40 ipaddr_modify 1357 1305 -52 ipaddr_list_or_flush 2543 2490 -53 ip_parse_common_args 294 159 -135 ------------------------------------------------------------------------------ (add/remove: 4/1 grow/shrink: 4/24 up/down: 85/-563) Total: -478 bytes text data bss dec hex filename 775561 966 9236 785763 bfd63 busybox_old 775073 962 9236 785271 bfb77 busybox_unstripped
Diffstat (limited to 'networking/ip.c')
-rw-r--r--networking/ip.c37
1 files changed, 15 insertions, 22 deletions
diff --git a/networking/ip.c b/networking/ip.c
index 3ea1b62..182813d 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -24,57 +24,50 @@
|| ENABLE_FEATURE_IP_TUNNEL \
|| ENABLE_FEATURE_IP_RULE
-static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
+static int ATTRIBUTE_NORETURN ip_print_help(char ATTRIBUTE_UNUSED **argv)
{
bb_show_usage();
}
-static int (*ip_func)(int argc, char **argv) = ip_print_help;
-
-static int ip_do(int argc, char **argv)
+static int ip_do(int (*ip_func)(char **argv), char **argv)
{
- ip_parse_common_args(&argc, &argv);
- return ip_func(argc-1, argv+1);
+ argv = ip_parse_common_args(argv);
+ return ip_func(argv);
}
#if ENABLE_FEATURE_IP_ADDRESS
int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ipaddr_main(int argc, char **argv)
{
- ip_func = do_ipaddr;
- return ip_do(argc, 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, char **argv)
{
- ip_func = do_iplink;
- return ip_do(argc, 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, char **argv)
{
- ip_func = do_iproute;
- return ip_do(argc, 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, char **argv)
{
- ip_func = do_iprule;
- return ip_do(argc, 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, char **argv)
{
- ip_func = do_iptunnel;
- return ip_do(argc, argv);
+ return ip_do(do_iptunnel, argv);
}
#endif
@@ -97,12 +90,12 @@ int ip_main(int argc, char **argv)
USE_FEATURE_IP_RULE(IP_rule,)
IP_none
};
+ int (*ip_func)(char **argv) = ip_print_help;
- ip_parse_common_args(&argc, &argv);
- if (argc > 1) {
- int key = index_in_substrings(keywords, argv[1]);
- argc -= 2;
- argv += 2;
+ argv = ip_parse_common_args(argv + 1);
+ if (*argv) {
+ int key = index_in_substrings(keywords, *argv);
+ argv++;
#if ENABLE_FEATURE_IP_ADDRESS
if (key == IP_addr)
ip_func = do_ipaddr;
@@ -124,7 +117,7 @@ int ip_main(int argc, char **argv)
ip_func = do_iprule;
#endif
}
- return ip_func(argc, argv);
+ return ip_func(argv);
}
#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */