gameserv/hash.cpp

   1 #include "extern.h"
   2 #include <ctype.h>
   3
   4 unsigned long sHASH(const unsigned char *name);
   5 unsigned long iHASH(const unsigned char *name);
   6 List<aClient> players[U_TABLE_SIZE];
   7
   8 unsigned long sHASH(const unsigned char *name)
   9 {
  10   unsigned long h = 0, g;
  11
  12   while (*name)
  13   {
  14     h = (h << 4) + (*name++); // Case sensitive for numerics
  15     if ((g = (h & 0xF0000000)))
  16       h ^= g >> 24;
  17     h &= ~g;
  18   }
  19   return h % U_TABLE_SIZE;
  20 }
  21
  22 unsigned long iHASH(const unsigned char *name)
  23 {
  24   unsigned long h = 0, g;
  25
  26   while (*name)
  27   {
  28     h = (h << 4) + tolower(*name++);
  29     if ((g = (h & 0xF0000000)))
  30       h ^= g >> 24;
  31     h &= ~g;
  32   }
  33   return h % U_TABLE_SIZE;
  34 }
  35
  36