package/base/dietlibc/ether_aton.patch

   1
   2 Copy from glibc, needed for udhcpd.
   3
   4   - Rene Rebe <rene@exactcode.de>
   5
   6 --- /dev/null   2006-01-02 14:13:10.967999000 +0100
   7 +++ diet/libugly/ether_aton.c   2006-01-02 21:37:51.000000000 +0100
   8 @@ -0,0 +1,69 @@
   9 +/* Copyright (C) 1996,97,98,99,2002 Free Software Foundation, Inc.
  10 +   This file is part of the GNU C Library.
  11 +   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
  12 +
  13 +   The GNU C Library is free software; you can redistribute it and/or
  14 +   modify it under the terms of the GNU Lesser General Public
  15 +   License as published by the Free Software Foundation; either
  16 +   version 2.1 of the License, or (at your option) any later version.
  17 +
  18 +   The GNU C Library is distributed in the hope that it will be useful,
  19 +   but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21 +   Lesser General Public License for more details.
  22 +
  23 +   You should have received a copy of the GNU Lesser General Public
  24 +   License along with the GNU C Library; if not, write to the Free
  25 +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  26 +   02111-1307 USA.  */
  27 +
  28 +#include <ctype.h>
  29 +#include <stdlib.h>
  30 +#include <net/ethernet.h>
  31 +
  32 +struct ether_addr *
  33 +ether_aton_r (const char *asc, struct ether_addr *addr)
  34 +{
  35 +  size_t cnt;
  36 +
  37 +  for (cnt = 0; cnt < 6; ++cnt)
  38 +    {
  39 +      unsigned int number;
  40 +      char ch;
  41 +
  42 +      ch = tolower (*asc++);
  43 +      if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
  44 +       return NULL;
  45 +      number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
  46 +
  47 +      ch = tolower (*asc);
  48 +      if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
  49 +       {
  50 +         ++asc;
  51 +         if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
  52 +           return NULL;
  53 +         number <<= 4;
  54 +         number += isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
  55 +
  56 +         ch = *asc;
  57 +         if (cnt < 5 && ch != ':')
  58 +           return NULL;
  59 +       }
  60 +
  61 +      /* Store result.  */
  62 +      addr->ether_addr_octet[cnt] = (unsigned char) number;
  63 +
  64 +      /* Skip ':'.  */
  65 +      ++asc;
  66 +    }
  67 +
  68 +  return addr;
  69 +}
  70 +
  71 +struct ether_addr *
  72 +ether_aton (const char *asc)
  73 +{
  74 +  static struct ether_addr result;
  75 +
  76 +  return ether_aton_r (asc, &result);
  77 +}