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// $Id$
#include "Options.h"
#include "Binary_Search.h"
// This function is passed to qsort to perform the comparison between
// login names for two friends.
int
Binary_Search::name_compare (const void *s1, const void *s2)
{
return ACE_OS::strcmp ((*(Protocol_Record **) s1)->key_name1_,
(*(Protocol_Record **) s2)->key_name1_);
}
// Returns the next friend in the sequence of sorted friends. Note
// that this function would be simplified if we expanded the iterator
// interface to include an "initialize" and "next" function!
Protocol_Record *
Binary_Search::get_next_entry (void)
{
// Reset the iterator if we are starting from the beginning.
if (this->current_ptr_ == 0)
this->current_ptr_ = this->sorted_record_;
// Now check to see if we've hit the end, in which case we set
// things up for the next round!
if (this->current_ptr_ < this->sorted_record_ + this->count_)
return *this->current_ptr_++;
else
{
this->current_ptr_ = 0;
return 0;
}
}
// An iterator, similar to Binary_Search::get_next_friend, though in
// this case the friend records are returned in the order they
// appeared in the friend file, rather than in sorted order. Also, we
// skip over entries that don't have any hosts associated with them.
Protocol_Record *
Binary_Search::get_each_entry (void)
{
// Reset the iterator if we are starting from the beginning.
if (this->current_index_ == -1)
this->current_index_ = 0;
// Now check to see if we've hit the end, in which case we set
// things up for the next round!
for (;
this->current_index_ < this->count_;
this->current_index_++)
if (this->protocol_record_[this->current_index_].drwho_list != 0)
return &this->protocol_record_[this->current_index_++];
this->current_index_ = -1;
return 0;
}
Binary_Search::~Binary_Search (void)
{
if (Options::get_opt (Options::DEBUG))
ACE_DEBUG ((LM_DEBUG,
"disposing Binary_Search\n"));
}
// Used to initialize the values for the iterators...
Binary_Search::Binary_Search (void)
: current_ptr_ (0),
current_index_ (0)
{
}
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