ACE/apps/drwho/HT_Client.cpp

   1 #include "HT_Client.h"
   2 #include "ace/ACE.h"
   3 #include "ace/OS_NS_string.h"
   4 #include "ace/OS_Memory.h"
   5
   6 // Insert a KEY_NAME into the hash table, if it doesn't already exist
   7 // there.  What gets returned is a pointer to the node inserted.  Note
   8 // that we do our own memory allocation here...
   9
  10 Protocol_Record *
  11 HT_Client::insert (const char *key_name, int max_len)
  12 {
  13   Protocol_Record **prpp = 0;
  14
  15   // This is tricky...
  16
  17   for (prpp = &this->hash_table[ACE::hash_pjw (key_name) % this->hash_table_size];
  18        *prpp != 0
  19          && ACE_OS::strncmp ((*prpp)->get_login (),
  20                              key_name, max_len) != 0;
  21        prpp = &(*prpp)->next_)
  22     continue;
  23
  24   if (*prpp == 0)
  25     {
  26       ACE_NEW_RETURN (*prpp,
  27                       Protocol_Record (ACE::strnew (key_name),
  28                                        *prpp),
  29                       0);
  30       this->count_++;
  31     }
  32
  33   return *prpp;
  34 }