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Add slist.

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Slist removed from skygw_utils and added as a separate component.
Nobody seems to be using it, so it could also simply be removed.
Left in place for the time being.
This commit is contained in:
Johan Wikman
2016-02-09 15:07:00 +02:00
parent d3c288abf9
commit 2692d1081c
5 changed files with 438 additions and 382 deletions
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71
server/include/slist.h Normal file
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#ifndef _SLIST_H
#define _SLIST_H
/*
* This file is distributed as part of the MariaDB Corporation MaxScale. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright MariaDB Corporation Ab 2016
*/
#include <skygw_utils.h>
EXTERN_C_BLOCK_BEGIN
typedef struct slist_node_st slist_node_t;
typedef struct slist_st slist_t;
typedef struct slist_cursor_st slist_cursor_t;
/** Single-linked list */
struct slist_node_st
{
skygw_chk_t slnode_chk_top;
slist_t* slnode_list;
slist_node_t* slnode_next;
void* slnode_data;
size_t slnode_cursor_refcount;
skygw_chk_t slnode_chk_tail;
};
struct slist_st
{
skygw_chk_t slist_chk_top;
slist_node_t* slist_head;
slist_node_t* slist_tail;
int slist_nelems;
slist_t* slist_cursors_list;
skygw_chk_t slist_chk_tail;
};
struct slist_cursor_st
{
skygw_chk_t slcursor_chk_top;
slist_t* slcursor_list;
slist_node_t* slcursor_pos;
skygw_chk_t slcursor_chk_tail;
};
slist_cursor_t* slist_init(void);
void slist_done(slist_cursor_t* c);
size_t slist_size(slist_cursor_t* c);
void slcursor_add_data(slist_cursor_t* c, void* data);
void* slcursor_get_data(slist_cursor_t* c);
void slcursor_remove_data(slist_cursor_t* c);
bool slcursor_move_to_begin(slist_cursor_t* c);
bool slcursor_step_ahead(slist_cursor_t* c);
EXTERN_C_BLOCK_END
#endif