reactos/services/dhcpd/src/utils/iputils.c

   1 #include <headers.h>
   2 #include <datatypes.h>
   3 #include <options.h>
   4 #include <utils.h>
   5
   6 int split_ip( char *text, u8b *dest, int place )
   7 {
   8   int dotcount;
   9
  10   /* Don't touch this, unless you like pointer aritmethic */
  11
  12   *dest = 0;
  13
  14   if( !text )
  15     return -1;
  16
  17   for( dotcount = 0; (dotcount < place) && ( text ); text++ )
  18       if( *text == '.' )
  19         dotcount++;
  20
  21   if( !text )
  22     return -2;
  23
  24   while(( *text != '.' ) && ( *text != '\0' ))
  25     {
  26       *dest *= 10;
  27       *dest += (u8b)(*text-48);
  28       /* 48 is not a hack, is just the code of 0 */
  29       text++;
  30     }
  31
  32   return 0;
  33 }
  34
  35 int get_ip( char *text, u32b *dest )
  36 {
  37   /* Don't touch this, unless you like pointer aritmethic */
  38
  39   *dest = 0;
  40
  41   if( !text )
  42     return -1;
  43
  44   while( *text != '\0' )
  45     {
  46       if( *text == '.' )
  47         {
  48           *dest = *dest << 8;
  49           text++;
  50           continue;
  51         }
  52       *dest *= 10;
  53       *dest += (u8b)(*text-48);
  54       /* 48 is not a hack, is just the code of 0 */
  55       text++;
  56     }
  57
  58   return 0;
  59 }