reactos/base/services/dhcpd/src/utils/macutils.c

   1 #include <headers.h>
   2 #include <datatypes.h>
   3
   4 int maccpy( u8b dest[16], u8b source[16] )
   5 {
   6   int i;
   7   for( i = 0; i < 16; i++ )
   8     dest[i] = source[i];
   9   return 0;
  10 }
  11
  12 int maccmp( u8b dest[16], u8b source[16] )
  13 {
  14   int i;
  15   char equal = 0;
  16
  17   for( i = 0; i < 16; i++ )
  18     if( dest[i] != source[i] )
  19       equal = -1;
  20
  21   return equal;
  22 }
  23
  24 int str2mac( u8b from[17], u8b to[16] )
  25 {
  26   int i, j, length;
  27   u8b buffer;
  28   u8b dif;
  29
  30   length = (int)strlen( from );
  31
  32   for( i = 0, j = 0; i < length; )
  33     {
  34       buffer = 0;
  35       while( (from[i] != ':' ) && (from[i]!= '\0' ))
  36         {
  37           buffer = buffer << 4;
  38           (from[i]>57)?(dif=55):(dif=48);
  39           buffer += (from[i] - dif);
  40           i++;
  41         }
  42       to[j++] = buffer;
  43       i++;
  44     }
  45   return 0;
  46 }