d31575a3ae
function old new delta ll_addr_a2n 181 178 -3 rtnl_rtntype_a2n 198 194 -4 ipaddr_modify 1309 1305 -4 print_addrinfo 1303 1298 -5 do_iplink 1137 1132 -5 print_route 1609 1603 -6 parse_args 1440 1434 -6 iproute_list_or_flush 1261 1254 -7 rtnl_rttable_a2n 39 31 -8 rtnl_rtscope_a2n 39 31 -8 rtnl_rtrealm_a2n 39 31 -8 rtnl_rtprot_a2n 39 31 -8 rtnl_dsfield_a2n 39 31 -8 ll_type_n2a 78 70 -8 get_rt_realms 115 107 -8 print_tunnel 656 647 -9 rtnl_rttable_n2a 63 53 -10 rtnl_rtscope_n2a 63 53 -10 rtnl_rtrealm_n2a 63 53 -10 rtnl_rtntype_n2a 128 118 -10 rtnl_dsfield_n2a 71 61 -10 print_linkinfo 815 805 -10 ipaddr_list_or_flush 1246 1235 -11 iproute_modify 1048 1036 -12 iprule_modify 866 851 -15 print_rule 765 738 -27 ll_addr_n2a 182 150 -32 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 0/27 up/down: 0/-262) Total: -262 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
80 lines
1.5 KiB
C
80 lines
1.5 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* ll_addr.c
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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* Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
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*/
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#include <net/if_arp.h>
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#include "libbb.h"
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#include "rt_names.h"
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#include "utils.h"
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const char* FAST_FUNC ll_addr_n2a(unsigned char *addr, int alen, int type, char *buf, int blen)
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{
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int i;
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int l;
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if (alen == 4 &&
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(type == ARPHRD_TUNNEL || type == ARPHRD_SIT || type == ARPHRD_IPGRE)) {
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return inet_ntop(AF_INET, addr, buf, blen);
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}
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l = 0;
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for (i = 0; i < alen; i++) {
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if (i == 0) {
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snprintf(buf + l, blen, ":%02x"+1, addr[i]);
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blen -= 2;
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l += 2;
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} else {
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snprintf(buf + l, blen, ":%02x", addr[i]);
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blen -= 3;
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l += 3;
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}
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}
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return buf;
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}
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int FAST_FUNC ll_addr_a2n(unsigned char *lladdr, int len, char *arg)
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{
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int i;
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if (strchr(arg, '.')) {
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inet_prefix pfx;
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if (get_addr_1(&pfx, arg, AF_INET)) {
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bb_error_msg("\"%s\" is invalid lladdr", arg);
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return -1;
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}
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if (len < 4) {
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return -1;
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}
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memcpy(lladdr, pfx.data, 4);
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return 4;
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}
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for (i = 0; i < len; i++) {
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int temp;
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char *cp = strchr(arg, ':');
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if (cp) {
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*cp = 0;
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cp++;
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}
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if (sscanf(arg, "%x", &temp) != 1 || (temp < 0 || temp > 255)) {
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bb_error_msg("\"%s\" is invalid lladdr", arg);
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return -1;
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}
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lladdr[i] = temp;
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if (!cp) {
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break;
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}
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arg = cp;
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}
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return i+1;
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}
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