184 lines
6.5 KiB
C
184 lines
6.5 KiB
C
/*
|
|
** Command & Conquer Red Alert(tm)
|
|
** Copyright 2025 Electronic Arts Inc.
|
|
**
|
|
** 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/***************************************************************************
|
|
;** C O N F I D E N T I A L --- W E S T W O O D A S S O C I A T E S **
|
|
;***************************************************************************
|
|
;* *
|
|
;* Project Name : Library - Filio header stuff. *
|
|
;* *
|
|
;* File Name : FILE.H *
|
|
;* *
|
|
;* Programmer : Scott K. Bowen *
|
|
;* *
|
|
;* Start Date : September 13, 1993 *
|
|
;* *
|
|
;* Last Update : April 11, 1994 *
|
|
;* *
|
|
;*-------------------------------------------------------------------------*
|
|
;* Functions: *
|
|
;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
|
|
|
|
#ifndef FILE_H
|
|
#include "file.h"
|
|
#endif
|
|
|
|
#ifndef _FILE_H
|
|
#define _FILE_H
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* Fileio defines */
|
|
/*=========================================================================*/
|
|
|
|
#define LIB_CDROM TRUE
|
|
|
|
#define MODE_OLDFILE (O_RDONLY | O_BINARY)
|
|
#define MODE_NEWFILE (O_WRONLY | O_BINARY | O_CREAT | O_TRUNC)
|
|
#define MODE_READWRITE (O_RDWR | O_BINARY)
|
|
|
|
#define FILEOPENERROR -1
|
|
#define FILEOPEN(f,m) ibm_open(f, m, (((UWORD) m) == MODE_OLDFILE) ? S_IREAD : (S_IREAD | S_IWRITE))
|
|
|
|
#define FILECLOSE(fd) ibm_close(fd)
|
|
#define FILEREAD(f,b,n) ibm_read(f,b,(WORD)(n))
|
|
#define FILEWRITE(f,b,n) ibm_write(f,b,(WORD)(n))
|
|
#define FILESEEK(f,b,n) ibm_lseek(f, b, n)
|
|
#define FILEDELETE(f) ibm_unlink(f)
|
|
#define CHANGEDIR(p) ibm_chdir(p)
|
|
|
|
#define FILENAMESIZE 13
|
|
#define IO_CHUNK_SIZE 0xfff0UL
|
|
|
|
/*
|
|
** Maximum number of file handles
|
|
*/
|
|
#define TABLE_MAX 20
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* The file handle table */
|
|
/*=========================================================================*/
|
|
typedef struct {
|
|
BOOL Empty; // Is this handle empty?
|
|
WORD Handle; // DOS file handle (0 = resident).
|
|
LONG Pos; // Current file position.
|
|
LONG Start; // Offset of file from pointer.
|
|
WORD Index; // FileData[] index.
|
|
WORD Mode; // Access mode (WW).
|
|
BYTE *Name; // File name pointer.
|
|
} FileHandleType;
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* The following prototypes are for the file: FILEIO.CPP */
|
|
/*=========================================================================*/
|
|
|
|
WORD ibm_getdisk(VOID);
|
|
WORD ibm_setdisk(WORD drive);
|
|
WORD ibm_close(WORD handle);
|
|
WORD ibm_unlink(BYTE const *name);
|
|
LONG ibm_lseek(WORD handle, LONG offset, WORD where);
|
|
UWORD ibm_read(WORD handle, VOID *ptr, UWORD bytes);
|
|
UWORD ibm_write(WORD handle, VOID *ptr, UWORD bytes);
|
|
WORD ibm_open(BYTE const *name, UWORD mode, WORD attrib);
|
|
WORD ibm_chdir(BYTE const *path);
|
|
|
|
/*=========================================================================*/
|
|
/* The following prototypes are for the file: FILELIB.CPP */
|
|
/*=========================================================================*/
|
|
|
|
WORD cdecl Do_Open_Error(FileErrorType errormsgnum, BYTE const *file_name);
|
|
VOID cdecl Do_IO_Error(FileErrorType errormsgnum, BYTE const *filename);
|
|
LONG cdecl Read_File_With_Recovery( WORD handle, VOID *buf, UWORD bytes );
|
|
int cdecl Open_File_With_Recovery( BYTE const *file_name, unsigned int mode );
|
|
BOOL cdecl Cache_File(WORD index, WORD file_handle);
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* The following prototypes are for the file: DEVICES.ASM */
|
|
/*=========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern VOID Get_Devices(VOID);
|
|
extern WORD Is_Device_Real(WORD device);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/*=========================================================================*/
|
|
/* The following prototypes are for the file: DEVTABLE.ASM */
|
|
/*=========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern VOID Init_Device_Table(BYTE *table);
|
|
extern WORD Max_Device(VOID);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* The following prototypes are for the file: HARDERR.ASM */
|
|
/*=========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern VOID Install_Hard_Error_Handler(VOID);
|
|
extern VOID Remove_Hard_Error_Handler(VOID);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
|
|
/*=========================================================================*/
|
|
/* Globale variables in the fileio system. */
|
|
/*=========================================================================*/
|
|
|
|
extern BYTE CallingDOSInt;
|
|
extern "C" extern BYTE MaxDevice,DefaultDrive;
|
|
extern BYTE MultiDriveSearch;
|
|
extern FileDataType *FileDataPtr;
|
|
extern FileHandleType FileHandleTable[TABLE_MAX];
|
|
extern UWORD NumFiles; // Number of files, except PAK, in file table.
|
|
extern UWORD NumPAKFiles; // Number of PAK files in filetable.
|
|
extern VOID *FileCacheHeap; // Pointer to the cache in memory.
|
|
extern WORD DiskNumber;
|
|
extern WORD MaxDirNum;
|
|
|
|
|
|
/*=========================================================================*/
|
|
|
|
|
|
|
|
#endif // _FILE_H
|
|
|
|
|