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native win32 XPRAM handling for both Basilisk II and SheepShaver

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gbeauche 2004-11-29 22:43:22 +00:00
parent fbff8b1b3c
commit e813acfeab
1 changed files with 102 additions and 0 deletions
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BasiliskII/src/Windows/xpram_windows.cpp Executable file
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/*
* xpram_windows.cpp - XPRAM handling, Windows specific stuff
*
* Basilisk II (C) 1997-2004 Christian Bauer
*
* 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
*/
#include "sysdeps.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <string>
using std::string;
#include "xpram.h"
// XPRAM file name and path
#if POWERPC_ROM
const char XPRAM_FILE_NAME[] = "SheepShaver_nvram.dat";
#else
const char XPRAM_FILE_NAME[] = "BasiliskII_xpram.dat";
#endif
static string xpram_path;
/*
* Construct XPRAM path
*/
static void build_xpram_path(void)
{
xpram_path.clear();
int pwd_len = GetCurrentDirectory(0, NULL);
char *pwd = new char[pwd_len];
if (GetCurrentDirectory(pwd_len, pwd) == pwd_len - 1)
xpram_path = string(pwd) + '\\';
delete[] pwd;
xpram_path += XPRAM_FILE_NAME;
}
/*
* Load XPRAM from settings file
*/
void LoadXPRAM(void)
{
// Construct XPRAM path
build_xpram_path();
// Load XPRAM from settings file
HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (fh != INVALID_HANDLE_VALUE) {
DWORD bytesRead;
ReadFile(fh, XPRAM, XPRAM_SIZE, &bytesRead, NULL);
CloseHandle(fh);
}
}
/*
* Save XPRAM to settings file
*/
void SaveXPRAM(void)
{
HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (fh != INVALID_HANDLE_VALUE) {
DWORD bytesWritten;
WriteFile(fh, XPRAM, XPRAM_SIZE, &bytesWritten, NULL);
CloseHandle(fh);
}
}
/*
* Delete PRAM file
*/
void ZapPRAM(void)
{
// Construct PRAM path
build_xpram_path();
// Delete file
DeleteFile(xpram_path.c_str());
}