2 * Services.exe - some utility functions
4 * Copyright 2007 Google (Mikolaj Zalewski)
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library 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 GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #define WIN32_LEAN_AND_MEAN
26 #include "wine/unicode.h"
27 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(service);
32 LPWSTR strdupW(LPCWSTR str)
40 buf = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR)*(len+1));
47 BOOL check_multisz(LPCWSTR lpMultiSz, DWORD cbSize)
49 if (cbSize == 0 || (cbSize == sizeof(WCHAR) && lpMultiSz[0] == 0))
51 if ((cbSize % sizeof(WCHAR)) != 0 || cbSize < 2*sizeof(WCHAR))
53 if (lpMultiSz[cbSize/2 - 1] || lpMultiSz[cbSize/2 - 2])
58 DWORD load_reg_string(HKEY hKey, LPCWSTR szValue, BOOL bExpand, LPWSTR *output)
65 if ((err = RegQueryValueExW(hKey, szValue, 0, &type, NULL, &size)) != 0)
67 if (err == ERROR_FILE_NOT_FOUND)
71 if (!(type == REG_SZ || (type == REG_EXPAND_SZ && bExpand)))
73 err = ERROR_INVALID_DATATYPE;
76 buf = HeapAlloc(GetProcessHeap(), 0, size + sizeof(WCHAR));
77 if ((err = RegQueryValueExW(hKey, szValue, 0, &type, (LPBYTE)buf, &size)) != 0)
79 buf[size/sizeof(WCHAR)] = 0;
81 if (type == REG_EXPAND_SZ)
84 DWORD size = ExpandEnvironmentStringsW(buf, NULL, 0);
90 str = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
91 ExpandEnvironmentStringsW(buf, str, size);
92 HeapFree(GetProcessHeap(), 0, buf);
100 WINE_ERR("Error %d while reading value %s\n", err, wine_dbgstr_w(szValue));
101 HeapFree(GetProcessHeap(), 0, buf);
105 DWORD load_reg_multisz(HKEY hKey, LPCWSTR szValue, BOOL bAllowSingle, LPWSTR *output)
112 if ((err = RegQueryValueExW(hKey, szValue, 0, &type, NULL, &size)) != 0)
114 if (err == ERROR_FILE_NOT_FOUND)
116 *output = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WCHAR));
117 return ERROR_SUCCESS;
121 if (!((type == REG_MULTI_SZ) || ((type == REG_SZ) && bAllowSingle)))
123 err = ERROR_INVALID_DATATYPE;
126 buf = HeapAlloc(GetProcessHeap(), 0, size + 2*sizeof(WCHAR));
127 if ((err = RegQueryValueExW(hKey, szValue, 0, &type, (LPBYTE)buf, &size)) != 0)
129 buf[size/sizeof(WCHAR)] = 0;
130 buf[size/sizeof(WCHAR) + 1] = 0;
132 return ERROR_SUCCESS;
135 WINE_ERR("Error %d while reading value %s\n", err, wine_dbgstr_w(szValue));
136 HeapFree(GetProcessHeap(), 0, buf);
140 DWORD load_reg_dword(HKEY hKey, LPCWSTR szValue, DWORD *output)
146 size = sizeof(DWORD);
147 if ((err = RegQueryValueExW(hKey, szValue, 0, &type, (LPBYTE)output, &size)) != 0)
149 if (err == ERROR_FILE_NOT_FOUND)
150 return ERROR_SUCCESS;
153 if (type != REG_DWORD || size != sizeof(DWORD))
155 err = ERROR_INVALID_DATATYPE;
158 return ERROR_SUCCESS;
161 WINE_ERR("Error %d while reading value %s\n", err, wine_dbgstr_w(szValue));