| /* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| */ |
| |
| /* |
| * 2002-12-24 Nick Fedchik <nick@fedchik.org.ua> |
| * - initial uClibc port |
| */ |
| |
| #define __FORCE_GLIBC |
| #include <features.h> |
| #include <ctype.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <netinet/ether.h> |
| #include <netinet/if_ether.h> |
| |
| struct ether_addr *ether_aton_r(const char *asc, struct ether_addr *addr) |
| { |
| /* asc is "X:XX:XX:x:xx:xX" */ |
| int cnt; |
| |
| for (cnt = 0; cnt < 6; ++cnt) { |
| unsigned char number; |
| char ch = *asc++; |
| |
| if (ch < 0x20) |
| return NULL; |
| /* | 0x20 is cheap tolower(), valid for letters/numbers only */ |
| ch |= 0x20; |
| if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f')) |
| return NULL; |
| number = !(ch > '9') ? (ch - '0') : (ch - 'a' + 10); |
| |
| ch = *asc++; |
| if ((cnt != 5 && ch != ':') /* not last group */ |
| /* What standard says ASCII ether address representation |
| * may also finish with whitespace, not only NUL? |
| * We can get rid of isspace() otherwise */ |
| || (cnt == 5 && ch != '\0' /*&& !isspace(ch)*/) |
| ) { |
| ch |= 0x20; /* cheap tolower() */ |
| if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f')) |
| return NULL; |
| number = (number << 4) + (!(ch > '9') ? (ch - '0') : (ch - 'a' + 10)); |
| |
| if (cnt != 5) { |
| ch = *asc++; |
| if (ch != ':') |
| return NULL; |
| } |
| } |
| |
| /* Store result. */ |
| addr->ether_addr_octet[cnt] = number; |
| } |
| /* Looks like we allow garbage after last group? |
| * "1:2:3:4:5:66anything_at_all"? */ |
| |
| return addr; |
| } |
| libc_hidden_def(ether_aton_r) |
| |
| struct ether_addr *ether_aton(const char *asc) |
| { |
| static struct ether_addr result; |
| |
| return ether_aton_r(asc, &result); |
| } |
| |
| char *ether_ntoa_r(const struct ether_addr *addr, char *buf) |
| { |
| sprintf(buf, "%x:%x:%x:%x:%x:%x", |
| addr->ether_addr_octet[0], addr->ether_addr_octet[1], |
| addr->ether_addr_octet[2], addr->ether_addr_octet[3], |
| addr->ether_addr_octet[4], addr->ether_addr_octet[5]); |
| return buf; |
| } |
| libc_hidden_def(ether_ntoa_r) |
| |
| char *ether_ntoa(const struct ether_addr *addr) |
| { |
| static char asc[18]; |
| |
| return ether_ntoa_r(addr, asc); |
| } |