src/Windows/xpram_windows.cpp

/*
 *  xpram_windows.cpp - XPRAM handling, Windows specific stuff
 *
 *  Basilisk II (C) 1997-2008 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());
}
Revision:	1.3
Committed:	2008-01-01T09:40:34Z (16 years, 10 months ago) by gbeauche
Branch:	MAIN
Changes since 1.2:	+1 -1 lines
Log Message:	Happy New Year!
#	User	Rev	Content
1	gbeauche	1.1	/*
2			* xpram_windows.cpp - XPRAM handling, Windows specific stuff
3			*
4	gbeauche	1.3	* Basilisk II (C) 1997-2008 Christian Bauer
5	gbeauche	1.1	*
6			* This program is free software; you can redistribute it and/or modify
7			* it under the terms of the GNU General Public License as published by
8			* the Free Software Foundation; either version 2 of the License, or
9			* (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19			*/
20
21			#include "sysdeps.h"
22
23			#define WIN32_LEAN_AND_MEAN
24			#include <windows.h>
25
26			#include <string>
27			using std::string;
28
29			#include "xpram.h"
30
31
32			// XPRAM file name and path
33			#if POWERPC_ROM
34			const char XPRAM_FILE_NAME[] = "SheepShaver_nvram.dat";
35			#else
36			const char XPRAM_FILE_NAME[] = "BasiliskII_xpram.dat";
37			#endif
38			static string xpram_path;
39
40
41			/*
42			* Construct XPRAM path
43			*/
44
45			static void build_xpram_path(void)
46			{
47			xpram_path.clear();
48			int pwd_len = GetCurrentDirectory(0, NULL);
49			char *pwd = new char[pwd_len];
50			if (GetCurrentDirectory(pwd_len, pwd) == pwd_len - 1)
51			xpram_path = string(pwd) + '\\';
52			delete[] pwd;
53			xpram_path += XPRAM_FILE_NAME;
54			}
55
56
57			/*
58			* Load XPRAM from settings file
59			*/
60
61			void LoadXPRAM(void)
62			{
63			// Construct XPRAM path
64			build_xpram_path();
65
66			// Load XPRAM from settings file
67			HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
68			if (fh != INVALID_HANDLE_VALUE) {
69			DWORD bytesRead;
70			ReadFile(fh, XPRAM, XPRAM_SIZE, &bytesRead, NULL);
71			CloseHandle(fh);
72			}
73			}
74
75
76			/*
77			* Save XPRAM to settings file
78			*/
79
80			void SaveXPRAM(void)
81			{
82			HANDLE fh = CreateFile(xpram_path.c_str(), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
83			if (fh != INVALID_HANDLE_VALUE) {
84			DWORD bytesWritten;
85			WriteFile(fh, XPRAM, XPRAM_SIZE, &bytesWritten, NULL);
86			CloseHandle(fh);
87			}
88			}
89
90
91			/*
92			* Delete PRAM file
93			*/
94
95			void ZapPRAM(void)
96			{
97			// Construct PRAM path
98			build_xpram_path();
99
100			// Delete file
101			DeleteFile(xpram_path.c_str());
102			}