Direct reading of a string from a specific language section (bypassing the current thread locale)
| 116 | |
| 117 | // Direct reading of a string from a specific language section (bypassing the current thread locale) |
| 118 | CString CcppcryptfsApp::GetStringForLang(HMODULE hInst, UINT nID, WORD wLang) |
| 119 | { |
| 120 | HRSRC hRes = ::FindResourceExW( |
| 121 | hInst, |
| 122 | RT_STRING, |
| 123 | MAKEINTRESOURCEW((nID >> 4) + 1), |
| 124 | wLang); |
| 125 | |
| 126 | if (!hRes) |
| 127 | return CString(); |
| 128 | |
| 129 | HGLOBAL hGlobal = ::LoadResource(hInst, hRes); |
| 130 | if (!hGlobal) |
| 131 | return CString(); |
| 132 | |
| 133 | DWORD resourceSizeBytes = ::SizeofResource(hInst, hRes); |
| 134 | if (resourceSizeBytes < sizeof(WORD) || (resourceSizeBytes % sizeof(WORD)) != 0) |
| 135 | return CString(); |
| 136 | |
| 137 | const WORD* pWords = static_cast<const WORD*>(::LockResource(hGlobal)); |
| 138 | if (!pWords) |
| 139 | return CString(); |
| 140 | |
| 141 | const size_t wordCount = resourceSizeBytes / sizeof(WORD); |
| 142 | size_t pos = 0; |
| 143 | |
| 144 | const int index = nID & 0x000F; |
| 145 | |
| 146 | for (int i = 0; i < index; ++i) |
| 147 | { |
| 148 | if (pos >= wordCount) |
| 149 | return CString(); |
| 150 | |
| 151 | const size_t len = pWords[pos]; |
| 152 | ++pos; // skip length word |
| 153 | |
| 154 | if (len > wordCount - pos) |
| 155 | return CString(); |
| 156 | |
| 157 | pos += len; // skip string data |
| 158 | } |
| 159 | |
| 160 | if (pos >= wordCount) |
| 161 | return CString(); |
| 162 | |
| 163 | const size_t finalLen = pWords[pos]; |
| 164 | ++pos; // move to first character |
| 165 | |
| 166 | if (finalLen == 0) |
| 167 | return CString(); |
| 168 | |
| 169 | if (finalLen > wordCount - pos) |
| 170 | return CString(); |
| 171 | |
| 172 | if (finalLen > static_cast<size_t>(INT_MAX)) |
| 173 | return CString(); |
| 174 | |
| 175 | return CString(reinterpret_cast<const WCHAR*>(pWords + pos), |