Initial commit of Command & Conquer Red Alert source code.

WIN32LIB/SRCDEBUG/FILEIO.CPP

@@ -0,0 +1,151 @@
+/*
+**	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 : Westwood Library                         *
+ *                                                                         *
+ *                    File Name : FILEIO.C                                 *
+ *                                                                         *
+ *                   Programmer : Joe L. Bostic                            *
+ *                                                                         *
+ *                   Start Date : August 21, 1991                          *
+ *                                                                         *
+ *                  Last Update : September 13, 1993   [SKB]               *
+ *                                                                         *
+ *-------------------------------------------------------------------------*
+ * Functions:                                                              *
+ * - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+#ifndef WWSTD_H
+#include "wwstd.h"
+#endif	   
+
+#ifndef _FILE_H
+#include "_file.h"
+#endif
+
+#include <dos.h>
+#include <direct.h>
+#include <io.h>
+
+/*=========================================================================*/
+/* The following PRIVATE functions are in this file:                       */
+/*=========================================================================*/
+
+/*= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =*/
+
+
+WORD ibm_getdisk(VOID)
+{
+	unsigned disk;
+
+	CallingDOSInt++;
+  //	disk = getdisk();
+	_dos_getdrive ( & disk ) ;
+	CallingDOSInt--;
+	return(disk-1);
+}
+
+WORD ibm_setdisk(WORD drive)
+{
+//	WORD disk;
+	unsigned disk ;
+
+	CallingDOSInt++;
+//	disk = setdisk(drive);
+	_dos_setdrive ( drive+1 , & disk ) ;
+	CallingDOSInt--;
+	return(disk);
+}
+
+WORD ibm_close(WORD handle)
+{
+	WORD success;
+
+	CallingDOSInt++;
+	success = close(handle);
+	CallingDOSInt--;
+	return(success);
+}
+
+WORD ibm_unlink(BYTE const *name)
+{
+	WORD success;
+
+	CallingDOSInt++;
+	success = unlink(name);
+	CallingDOSInt--;
+	return(success);
+}
+
+LONG ibm_lseek(WORD handle, LONG offset, WORD where)
+{
+	LONG new_offset;
+
+	CallingDOSInt++;
+	new_offset = lseek(handle, offset, where);
+	CallingDOSInt--;
+	return(new_offset);
+}
+
+UWORD ibm_read(WORD handle, VOID *ptr, UWORD bytes)
+{
+	UWORD bytes_read;
+
+	CallingDOSInt++;
+	bytes_read = read(handle, ptr, bytes);
+	CallingDOSInt--;
+	return(bytes_read);
+}
+
+UWORD ibm_write(WORD handle, VOID *ptr, UWORD bytes)
+{
+	UWORD bytes_written;
+
+	CallingDOSInt++;
+	bytes_written = write(handle, ptr, bytes);
+	CallingDOSInt--;
+	return(bytes_written);
+}
+
+WORD ibm_open(BYTE const *name, UWORD mode, WORD attrib)
+{
+	WORD handle;
+
+	CallingDOSInt++;
+	handle = open(name, mode, attrib);
+	CallingDOSInt--;
+	return(handle);
+}
+
+WORD ibm_chdir(BYTE const *path)
+{
+	WORD retval;
+
+	CallingDOSInt++;
+	retval = chdir(path);
+	CallingDOSInt--;
+	return(retval);
+}
+
+
+
+