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root/cebix/BasiliskII/src/Windows/xpram_windows.cpp
Revision: 1.4
Committed: 2009-07-23T19:19:13Z (15 years, 4 months ago) by asvitkine
Branch: MAIN
CVS Tags: HEAD
Changes since 1.3: +1 -1 lines
Log Message:
BasiliskII side of changes to support .sheepvm bundles for SheepShaver

File Contents

# Content
1 /*
2 * xpram_windows.cpp - XPRAM handling, Windows specific stuff
3 *
4 * Basilisk II (C) 1997-2008 Christian Bauer
5 *
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(const char *vmdir)
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 }