mirror of
https://github.com/libretro/scummvm.git
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145 lines
4.4 KiB
C++
145 lines
4.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2004 The ScummVM project
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*
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* The ReInherit Engine is (C)2000-2003 by Daniel Balsom.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $Header$
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*
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*/
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#ifndef YSLIB_MAIN_H__
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#define YSLIB_MAIN_H__
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namespace Saga {
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enum YS_ERROR_STATES {
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YS_E_SUCCESS = 0,
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YS_E_FAILURE,
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YS_E_MEM
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};
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enum YS_CONFIRM_STATES {
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YS_CONFIRM_NO = 0,
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YS_CONFIRM_YES,
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YS_CONFIRM_CANCEL
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};
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/* General purpose quantity-comparison function */
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typedef int (YS_COMPARE_FUNC) (const void *, const void *);
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/* General-purpose utility macros
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\*------------------------------------------------------------------*/
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/* Ignore a parameter (Supress warnings) */
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#define YS_IGNORE_PARAM( param ) ( void )( param )
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/* ys_binread.c : Binary input functions (buffer oriented)
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\*------------------------------------------------------------------*/
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/* #define YS_ASSUME_2S_COMP */
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/* Read a 4CC ( Four characater code ) */
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void
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ys_read_4cc(char *fourcc,
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const unsigned char *data_p, const unsigned char **data_pp);
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/* Read 8 bit unsigned integer */
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unsigned int ys_read_u8(const unsigned char *, const unsigned char **);
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/* Read 8 bit signed integer */
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int ys_read_s8(const unsigned char *, const unsigned char **);
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/* Read 16 bit unsigned integer, big-endian */
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unsigned int ys_read_u16_be(const unsigned char *, const unsigned char **);
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/* Read 16 bit unsigned integer, little-endian */
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unsigned int ys_read_u16_le(const unsigned char *, const unsigned char **);
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/* Read 16 bit signed integer, 2's complement, big-endian */
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int ys_read_s16_be(const unsigned char *, const unsigned char **);
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/* Read 16 bit signed integer, 2's complement, little-endian */
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int ys_read_s16_le(const unsigned char *, const unsigned char **);
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/* Read 24 bit unsigned integer, little-endian */
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unsigned long ys_read_u24_le(const unsigned char *, const unsigned char **);
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/* Read 32 bit unsigned integer, big-endian */
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unsigned long ys_read_u32_be(const unsigned char *, const unsigned char **);
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/* Read 32 bit unsigned integer, little-endian */
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unsigned long ys_read_u32_le(const unsigned char *, const unsigned char **);
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/* ys_binwrite.c : Binary output functions ( buffer oriented )
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\*------------------------------------------------------------------*/
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/* Write 16 bit unsigned integer, big-endian */
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void ys_write_u16_be(unsigned int, unsigned char *, unsigned char **);
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/* Write 32 bit unsigned integer, big-endian */
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void ys_write_u32_be(unsigned long, unsigned char *, unsigned char **);
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/* Shared declarations for list modules
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\*------------------------------------------------------------------*/
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enum YS_WALK_DIRECTIONS {
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YS_WALK_BACKWARD = 0,
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YS_WALK_FORWARD
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};
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/* ys_dl_list.c : Doubly-linked list functions
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\*------------------------------------------------------------------*/
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typedef struct ys_dl_node_tag YS_DL_NODE;
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typedef struct ys_dl_node_tag YS_DL_LIST;
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struct ys_dl_node_tag {
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void *data;
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struct ys_dl_node_tag *next;
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struct ys_dl_node_tag *prev;
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};
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YS_DL_LIST *ys_dll_create(void);
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void ys_dll_destroy(YS_DL_LIST *);
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void *ys_dll_get_data(YS_DL_NODE *);
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YS_DL_NODE *ys_dll_head(YS_DL_LIST *);
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YS_DL_NODE *ys_dll_tail(YS_DL_LIST *);
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YS_DL_NODE *ys_dll_next(YS_DL_NODE *);
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YS_DL_NODE *ys_dll_prev(YS_DL_NODE *);
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YS_DL_NODE *ys_dll_add_head(YS_DL_LIST *, void *, size_t);
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YS_DL_NODE *ys_dll_add_tail(YS_DL_LIST *, void *, size_t);
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#define ys_dll_preinsert ys_dll_add_tail
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#define ys_dll_postinsert ys_dll_add_head
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YS_DL_NODE *ys_dll_insert(YS_DL_LIST *, void *, size_t, YS_COMPARE_FUNC *);
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int ys_dll_delete(YS_DL_NODE *);
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void ys_dll_delete_all(YS_DL_LIST *);
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YS_DL_NODE *ys_dll_replace(YS_DL_NODE *, void *, size_t);
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int ys_dll_reorder_up(YS_DL_LIST *, YS_DL_NODE *, YS_COMPARE_FUNC *);
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int ys_dll_reorder_down(YS_DL_LIST *, YS_DL_NODE *, YS_COMPARE_FUNC *);
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} // End of namespace Saga
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#endif /* YSLIB_MAIN_H__ */
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