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/* ScummVM - Scumm Interpreter
* Copyright (C) 2004 The ScummVM project
*
* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Header$
*
*/
#ifndef YSLIB_MAIN_H__
#define YSLIB_MAIN_H__
namespace Saga {
enum YS_ERROR_STATES {
YS_E_SUCCESS = 0,
YS_E_FAILURE,
YS_E_MEM
};
enum YS_CONFIRM_STATES {
YS_CONFIRM_NO = 0,
YS_CONFIRM_YES,
YS_CONFIRM_CANCEL
};
// General purpose quantity-comparison function
typedef int (YS_COMPARE_FUNC) (const void *, const void *);
// General-purpose utility macros
//#define YS_ASSUME_2S_COMP
// Shared declarations for list modules
enum YS_WALK_DIRECTIONS {
YS_WALK_BACKWARD = 0,
YS_WALK_FORWARD
};
typedef struct ys_dl_node_tag YS_DL_NODE;
typedef struct ys_dl_node_tag YS_DL_LIST;
struct ys_dl_node_tag {
void *data;
struct ys_dl_node_tag *next;
struct ys_dl_node_tag *prev;
};
YS_DL_LIST *ys_dll_create();
void ys_dll_destroy(YS_DL_LIST *);
void *ys_dll_get_data(YS_DL_NODE *);
YS_DL_NODE *ys_dll_head(YS_DL_LIST *);
YS_DL_NODE *ys_dll_tail(YS_DL_LIST *);
YS_DL_NODE *ys_dll_next(YS_DL_NODE *);
YS_DL_NODE *ys_dll_prev(YS_DL_NODE *);
YS_DL_NODE *ys_dll_add_head(YS_DL_LIST *, void *, size_t);
YS_DL_NODE *ys_dll_add_tail(YS_DL_LIST *, void *, size_t);
#define ys_dll_preinsert ys_dll_add_tail
#define ys_dll_postinsert ys_dll_add_head
YS_DL_NODE *ys_dll_insert(YS_DL_LIST *, void *, size_t, YS_COMPARE_FUNC *);
int ys_dll_delete(YS_DL_NODE *);
void ys_dll_delete_all(YS_DL_LIST *);
YS_DL_NODE *ys_dll_replace(YS_DL_NODE *, void *, size_t);
int ys_dll_reorder_up(YS_DL_LIST *, YS_DL_NODE *, YS_COMPARE_FUNC *);
int ys_dll_reorder_down(YS_DL_LIST *, YS_DL_NODE *, YS_COMPARE_FUNC *);
} // End of namespace Saga
#endif
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