ip addr: shrink
function old new delta ipaddr_list_or_flush 1254 1248 -6 ipaddr_modify 1299 1279 -20 .rodata 135249 135193 -56 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-82) Total: -82 bytes Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
This commit is contained in:
Bernhard Reutner-Fischer
parent
cc4493a95c
commit
c5f30c0df8
@ -442,16 +442,14 @@ int ipaddr_list_or_flush(char **argv, int flush)
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}
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while (*argv) {
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const int option_num = index_in_strings(option, *argv);
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switch (option_num) {
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case 0: /* to */
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const smalluint key = index_in_strings(option, *argv);
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if (key == 0) { /* to */
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NEXT_ARG();
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get_prefix(&G_filter.pfx, *argv, G_filter.family);
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if (G_filter.family == AF_UNSPEC) {
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G_filter.family = G_filter.pfx.family;
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}
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break;
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case 1: { /* scope */
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} else if (key == 1) { /* scope */
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uint32_t scope = 0;
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NEXT_ARG();
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G_filter.scopemask = -1;
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@ -463,22 +461,17 @@ int ipaddr_list_or_flush(char **argv, int flush)
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G_filter.scopemask = 0;
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}
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G_filter.scope = scope;
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break;
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}
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case 2: /* up */
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} else if (key == 2) { /* up */
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G_filter.up = 1;
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break;
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case 3: /* label */
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} else if (key == 3) { /* label */
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NEXT_ARG();
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G_filter.label = *argv;
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break;
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case 4: /* dev */
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} else {
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if (key == 4) /* dev */
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NEXT_ARG();
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default:
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if (filter_dev) {
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duparg2("dev", *argv);
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}
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filter_dev = *argv;
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if (filter_dev)
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duparg2("dev", *argv);
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filter_dev = *argv;
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}
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argv++;
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}
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@ -631,99 +624,85 @@ static int ipaddr_modify(int cmd, char **argv)
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req.ifa.ifa_family = preferred_family;
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while (*argv) {
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const int option_num = index_in_strings(option, *argv);
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switch (option_num) {
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case 0: /* peer */
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case 1: /* remote */
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NEXT_ARG();
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const smalluint arg = index_in_strings(option, *argv);
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if (arg <= 1) { /* peer, remote */
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NEXT_ARG();
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if (peer_len) {
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duparg("peer", *argv);
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}
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get_prefix(&peer, *argv, req.ifa.ifa_family);
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peer_len = peer.bytelen;
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if (req.ifa.ifa_family == AF_UNSPEC) {
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req.ifa.ifa_family = peer.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
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req.ifa.ifa_prefixlen = peer.bitlen;
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break;
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case 2: /* broadcast */
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case 3: /* brd */
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{
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inet_prefix addr;
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NEXT_ARG();
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if (brd_len) {
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duparg("broadcast", *argv);
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}
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if (LONE_CHAR(*argv, '+')) {
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brd_len = -1;
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} else if (LONE_DASH(*argv)) {
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brd_len = -2;
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} else {
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get_addr(&addr, *argv, req.ifa.ifa_family);
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if (req.ifa.ifa_family == AF_UNSPEC)
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req.ifa.ifa_family = addr.family;
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addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
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brd_len = addr.bytelen;
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}
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break;
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if (peer_len) {
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duparg("peer", *argv);
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}
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case 4: /* anycast */
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{
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inet_prefix addr;
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NEXT_ARG();
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if (any_len) {
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duparg("anycast", *argv);
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}
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get_prefix(&peer, *argv, req.ifa.ifa_family);
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peer_len = peer.bytelen;
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if (req.ifa.ifa_family == AF_UNSPEC) {
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req.ifa.ifa_family = peer.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_ADDRESS, &peer.data, peer.bytelen);
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req.ifa.ifa_prefixlen = peer.bitlen;
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} else if (arg <= 3) { /* broadcast, brd */
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inet_prefix addr;
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NEXT_ARG();
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if (brd_len) {
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duparg("broadcast", *argv);
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}
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if (LONE_CHAR(*argv, '+')) {
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brd_len = -1;
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} else if (LONE_DASH(*argv)) {
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brd_len = -2;
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} else {
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get_addr(&addr, *argv, req.ifa.ifa_family);
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if (req.ifa.ifa_family == AF_UNSPEC) {
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if (req.ifa.ifa_family == AF_UNSPEC)
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req.ifa.ifa_family = addr.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
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any_len = addr.bytelen;
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break;
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addattr_l(&req.n, sizeof(req), IFA_BROADCAST, &addr.data, addr.bytelen);
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brd_len = addr.bytelen;
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}
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case 5: /* scope */
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{
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uint32_t scope = 0;
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NEXT_ARG();
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if (rtnl_rtscope_a2n(&scope, *argv)) {
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invarg(*argv, "scope");
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}
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req.ifa.ifa_scope = scope;
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scoped = 1;
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break;
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} else if (arg == 4) { /* anycast */
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inet_prefix addr;
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NEXT_ARG();
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if (any_len) {
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duparg("anycast", *argv);
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}
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case 6: /* dev */
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get_addr(&addr, *argv, req.ifa.ifa_family);
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if (req.ifa.ifa_family == AF_UNSPEC) {
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req.ifa.ifa_family = addr.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_ANYCAST, &addr.data, addr.bytelen);
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any_len = addr.bytelen;
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} else if (arg == 5) { /* scope */
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uint32_t scope = 0;
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NEXT_ARG();
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if (rtnl_rtscope_a2n(&scope, *argv)) {
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invarg(*argv, "scope");
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}
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req.ifa.ifa_scope = scope;
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scoped = 1;
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} else if (arg == 6) { /* dev */
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NEXT_ARG();
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d = *argv;
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} else if (arg == 7) { /* label */
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NEXT_ARG();
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l = *argv;
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addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
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} else {
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if (arg == 8) /* local */
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NEXT_ARG();
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d = *argv;
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break;
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case 7: /* label */
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NEXT_ARG();
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l = *argv;
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addattr_l(&req.n, sizeof(req), IFA_LABEL, l, strlen(l)+1);
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break;
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case 8: /* local */
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NEXT_ARG();
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default:
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if (local_len) {
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duparg2("local", *argv);
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}
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get_prefix(&lcl, *argv, req.ifa.ifa_family);
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if (req.ifa.ifa_family == AF_UNSPEC) {
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req.ifa.ifa_family = lcl.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
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local_len = lcl.bytelen;
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if (local_len) {
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duparg2("local", *argv);
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}
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get_prefix(&lcl, *argv, req.ifa.ifa_family);
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if (req.ifa.ifa_family == AF_UNSPEC) {
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req.ifa.ifa_family = lcl.family;
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}
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addattr_l(&req.n, sizeof(req), IFA_LOCAL, &lcl.data, lcl.bytelen);
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local_len = lcl.bytelen;
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}
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argv++;
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}
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if (d == NULL) {
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bb_error_msg(bb_msg_requires_arg, "\"dev\"");
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return -1;
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}
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// d cannot be null here, NEXT_ARG() of "dev" ensures that
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//if (d == NULL) {
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// bb_error_msg(bb_msg_requires_arg, "\"dev\"");
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// return -1;
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//}
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if (l && strncmp(d, l, strlen(d)) != 0) {
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bb_error_msg_and_die("\"dev\" (%s) must match \"label\" (%s)", d, l);
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}
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