74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
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/* Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <string.h>
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#include <netinet/if_ether.h>
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/* Because the `ethers' lookup does not fit so well in the scheme so
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we define a dummy struct here which helps us to use the available
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functions. */
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struct etherent
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{
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const char *e_name;
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struct ether_addr e_addr;
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};
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struct etherent_data {};
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#define ENTNAME etherent
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#define DATAFILE "/etc/ethers"
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#include "files-parse.c"
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LINE_PARSER
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(
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MIDLINE_COMMENTS;
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/* Read the ethernet address: 6 x 8bit hexadecimal number. */
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{
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size_t cnt;
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for (cnt = 0; cnt < 6; ++cnt)
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{
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unsigned int number;
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if (cnt < 5)
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INT_FIELD (number, ISCOLON , 0, 16, (unsigned int))
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else
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INT_FIELD (number, isspace, 0, 16, (unsigned int))
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if (number > 0xff)
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return 0;
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result->e_addr.ether_addr_octet[cnt] = number;
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}
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};
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STRING_FIELD (result->e_name, isspace, 1);
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)
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#include "files-XXX.c"
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DB_LOOKUP (hostton,
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{
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if (strcmp (result->e_name, name) == 0)
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break;
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}, const char *name)
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DB_LOOKUP (ntohost,
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{
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if (memcmp (&result->e_addr, addr,
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sizeof (struct ether_addr)) == 0)
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break;
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}, struct ether_addr *addr)
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