1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <malloc.h>
#include "internal/registry.hxx"
#if defined _MSC_VER
#pragma warning(push, 1)
#endif
#include <objbase.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
// Size of a CLSID as a string
const int CLSID_STRING_SIZE = 39;
bool SetRegistryKey(HKEY RootKey, const char* KeyName, const char* ValueName, const char* Value)
{
HKEY hSubKey;
// open or create the desired key
char dummy[] = "";
int rc = RegCreateKeyExA(
RootKey, const_cast<char*>(KeyName), 0, dummy, REG_OPTION_NON_VOLATILE, KEY_WRITE, 0, &hSubKey, 0);
if (ERROR_SUCCESS == rc)
{
rc = RegSetValueExA(
hSubKey, ValueName, 0, REG_SZ, reinterpret_cast<const BYTE*>(Value),
static_cast<DWORD>(strlen(Value) + 1));
RegCloseKey(hSubKey);
}
return (ERROR_SUCCESS == rc);
}
bool DeleteRegistryKey(HKEY RootKey, const char* KeyName)
{
HKEY hKey;
int rc = RegOpenKeyExA(
RootKey,
KeyName,
0,
KEY_READ | DELETE,
&hKey);
if ( rc == ERROR_FILE_NOT_FOUND )
return true;
if (ERROR_SUCCESS == rc)
{
char* SubKey;
DWORD nMaxSubKeyLen;
rc = RegQueryInfoKeyA(
hKey, 0, 0, 0, 0,
&nMaxSubKeyLen,
0, 0, 0, 0, 0, 0);
nMaxSubKeyLen++; // space for trailing '\0'
SubKey = reinterpret_cast<char*>(
_alloca(nMaxSubKeyLen*sizeof(char)));
while (ERROR_SUCCESS == rc)
{
DWORD nLen = nMaxSubKeyLen;
rc = RegEnumKeyExA(
hKey,
0, // always index zero
SubKey,
&nLen,
0, 0, 0, 0);
if (ERROR_NO_MORE_ITEMS == rc)
{
rc = RegDeleteKeyA(RootKey, KeyName);
break;
}
else if (rc == ERROR_SUCCESS)
{
DeleteRegistryKey(hKey, SubKey);
}
} // while
RegCloseKey(hKey);
} // if
return (ERROR_SUCCESS == rc);
}
/** May be used to determine if the specified registry key has subkeys
The function returns true on success else if an error occurs false
*/
bool HasSubkeysRegistryKey(HKEY RootKey, const char* KeyName, /* out */ bool& bResult)
{
HKEY hKey;
LONG rc = RegOpenKeyExA(RootKey, KeyName, 0, KEY_READ, &hKey);
if (ERROR_SUCCESS == rc)
{
DWORD nSubKeys = 0;
rc = RegQueryInfoKeyA(hKey, 0, 0, 0, &nSubKeys, 0, 0, 0, 0, 0, 0, 0);
bResult = (nSubKeys > 0);
}
return (ERROR_SUCCESS == rc);
}
// Convert a CLSID to a char string.
std::string ClsidToString(const CLSID& clsid)
{
// Get CLSID
LPOLESTR wszCLSID = NULL;
StringFromCLSID(clsid, &wszCLSID);
char buff[39];
// Covert from wide characters to non-wide.
wcstombs(buff, wszCLSID, sizeof(buff));
// Free memory.
CoTaskMemFree(wszCLSID) ;
return std::string(buff);
}
bool QueryRegistryKey(HKEY RootKey, const char* KeyName, const char* ValueName, char *pszData, DWORD dwBufLen)
{
HKEY hKey;
int rc = RegOpenKeyExA(
RootKey,
KeyName,
0,
KEY_READ,
&hKey);
if (ERROR_SUCCESS == rc)
{
rc = RegQueryValueExA(
hKey, ValueName, NULL, NULL, (LPBYTE)pszData,&dwBufLen);
RegCloseKey(hKey);
}
return (ERROR_SUCCESS == rc);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
