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			75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */
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#ifdef USE_PRAGMA_IMPLEMENTATION
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#pragma implementation				// gcc: Class implementation
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#endif
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#include "sql_list.h"
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list_node end_of_list;
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void free_list(I_List <i_string_pair> *list)
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{
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  i_string_pair *tmp;
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  while ((tmp= list->get()))
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    delete tmp;
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}
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void free_list(I_List <i_string> *list)
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{
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  i_string *tmp;
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  while ((tmp= list->get()))
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    delete tmp;
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}
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bool base_list::copy(const base_list *rhs, MEM_ROOT *mem_root)
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{
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  bool error= 0;
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  if (rhs->elements)
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  {
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    /*
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      It's okay to allocate an array of nodes at once: we never
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      call a destructor for list_node objects anyway.
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    */
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    if ((first= (list_node*) alloc_root(mem_root,
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                                        sizeof(list_node) * rhs->elements)))
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    {
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      elements= rhs->elements;
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      list_node *dst= first;
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      list_node *src= rhs->first;
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      for (; dst < first + elements - 1; dst++, src= src->next)
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      {
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        dst->info= src->info;
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        dst->next= dst + 1;
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      }
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      /* Copy the last node */
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      dst->info= src->info;
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      dst->next= &end_of_list;
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      /* Setup 'last' member */
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      last= &dst->next;
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      return 0;
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    }
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    error= 1;
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  }
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  elements= 0;
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  first= &end_of_list;
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  last= &first;
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  return error;
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}
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