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https://github.com/MariaDB/server.git
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63 lines
1.7 KiB
C++
63 lines
1.7 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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#include "mariadb.h"
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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> *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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