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| author | Kuleshov Aleksey | 2013-02-04 15:14:20 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2013-02-04 15:14:20 +0100 |
| commit | a8816dafc4b274b17c58df88cabdbf9e2b47f528 (patch) | |
| tree | cfe93a4e1e5a874370e741c524575a73c9953189 /networking/arp.c | |
| parent | 6e29d07417c84e69ed0fb375205ae4e62fa236f7 (diff) | |
| download | busybox-a8816dafc4b274b17c58df88cabdbf9e2b47f528.zip busybox-a8816dafc4b274b17c58df88cabdbf9e2b47f528.tar.gz | |
arp: fix -H/-t handling.
While at it, shrank code.
function old new delta
arp_main 1558 1487 -71
Signed-off-by: Kuleshov Aleksey <rndfax@yandex.ru>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/arp.c')
| -rw-r--r-- | networking/arp.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/networking/arp.c b/networking/arp.c index 1c99987..201bb2a 100644 --- a/networking/arp.c +++ b/networking/arp.c @@ -477,28 +477,33 @@ static int arp_show(char *name) int arp_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int arp_main(int argc UNUSED_PARAM, char **argv) { - const char *hw_type = "ether"; + const char *hw_type; const char *protocol; unsigned opts; INIT_G(); xmove_fd(xsocket(AF_INET, SOCK_DGRAM, 0), sockfd); + ap = get_aftype(DFLT_AF); - if (!ap) - bb_error_msg_and_die("%s: %s not supported", DFLT_AF, "address family"); + /* Defaults are always supported */ + //if (!ap) + // bb_error_msg_and_die("%s: %s not supported", DFLT_AF, "address family"); + hw = get_hwtype(DFLT_HW); + //if (!hw) + // bb_error_msg_and_die("%s: %s not supported", DFLT_HW, "hardware type"); opts = getopt32(argv, "A:p:H:t:i:adnDsv", &protocol, &protocol, &hw_type, &hw_type, &device); argv += optind; if (opts & (ARP_OPT_A | ARP_OPT_p)) { ap = get_aftype(protocol); - if (ap == NULL) + if (!ap) bb_error_msg_and_die("%s: unknown %s", protocol, "address family"); } - if (opts & (ARP_OPT_A | ARP_OPT_p)) { + if (opts & (ARP_OPT_H | ARP_OPT_t)) { hw = get_hwtype(hw_type); - if (hw == NULL) + if (!hw) bb_error_msg_and_die("%s: unknown %s", hw_type, "hardware type"); hw_set = 1; } @@ -507,14 +512,6 @@ int arp_main(int argc UNUSED_PARAM, char **argv) if (ap->af != AF_INET) { bb_error_msg_and_die("%s: kernel only supports 'inet'", ap->name); } - - /* If no hw type specified get default */ - if (!hw) { - hw = get_hwtype(DFLT_HW); - if (!hw) - bb_error_msg_and_die("%s: %s not supported", DFLT_HW, "hardware type"); - } - if (hw->alen <= 0) { bb_error_msg_and_die("%s: %s without ARP support", hw->name, "hardware type"); @@ -528,6 +525,7 @@ int arp_main(int argc UNUSED_PARAM, char **argv) return arp_set(argv); return arp_del(argv); } + //if (opts & ARP_OPT_a) - default return arp_show(argv[0]); } |