зеркало из https://github.com/mozilla/pjs.git
Updated PATH setting code to be less reliant on registry settings. b=71363
This commit is contained in:
locka%iol.ie
Родитель
012887c32a
Коммит
25c4877957
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@ -24,162 +24,298 @@
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#include "stdafx.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "shlobj.h"
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static BOOL LoadMozLibraryFromCurrentDir();
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static BOOL LoadMozLibraryFromRegistry(BOOL bAskUserToSetPath);
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static BOOL LoadLibraryWithPATHFixup(const TCHAR *szBinDirPath);
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static HMODULE ghMozCtlX = NULL;
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static HMODULE ghMozCtl = NULL;
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static const _TCHAR *c_szMozCtlDll = _T("mozctl.dll");
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static const _TCHAR *c_szMozillaControlKey = _T("Software\\Mozilla\\");
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static const _TCHAR *c_szMozillaBinDirPathValue = _T("BinDirectoryPath");
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static const _TCHAR *c_szMozCtlInProcServerKey = _T("CLSID\\{1339B54C-3453-11D2-93B9-000000000000}\\InProcServer32");
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static LPCTSTR c_szMozCtlDll = _T("mozctl.dll");
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static LPCTSTR c_szMozillaControlKey = _T("Software\\Mozilla\\");
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static LPCTSTR c_szMozillaBinDirPathValue = _T("BinDirectoryPath");
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static LPCTSTR c_szMozCtlInProcServerKey =
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_T("CLSID\\{1339B54C-3453-11D2-93B9-000000000000}\\InProcServer32");
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// Message strings - should come from a resource file
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static LPCTSTR c_szWarningTitle =
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_T("Mozilla Control Warning");
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static LPCTSTR c_szErrorTitle =
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_T("Mozilla Control Error");
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static LPCTSTR c_szPrePickFolderMsg =
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_T("The Mozilla control was unable to detect where your Mozilla "
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"layout libraries may be found. You will now be shown a directory "
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"picker for you to locate them.");
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static LPCTSTR c_szPickFolderDlgTitle =
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_T("Pick where the Mozilla bin directory is located, "
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"e.g. (c:\\mozilla\\bin)");
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static LPCTSTR c_szRegistryErrorMsg =
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_T("The Mozilla control was unable to store the location of the Mozilla"
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"layout libraries in the registry. This may be due to the host "
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"program running with insufficient permissions to write there.\n\n"
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"You should consider running the control once as Administrator "
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"to enable this entry to added or alternatively move the "
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"control files mozctlx.dll and mozctl.dll into the same folder as "
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"the other libraries.");
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static LPCTSTR c_szLoadErrorMsg =
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_T("The Mozilla control could not be loaded correctly. This is could "
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"be due to an invalid location being specified for the Mozilla "
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"layout libraries or missing files from your installation.\n\n"
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"Visit http://www.iol.ie/~locka/mozilla/mozilla.htm for in-depth"
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"troubleshooting advice.");
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BOOL APIENTRY DllMain( HANDLE hModule,
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DWORD ul_reason_for_call,
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LPVOID lpReserved
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)
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)
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{
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switch (ul_reason_for_call)
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{
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case DLL_PROCESS_ATTACH:
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ghMozCtlX = (HMODULE) hModule;
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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break;
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{
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case DLL_PROCESS_ATTACH:
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ghMozCtlX = (HMODULE) hModule;
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break;
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case DLL_THREAD_ATTACH:
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break;
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case DLL_THREAD_DETACH:
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break;
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case DLL_PROCESS_DETACH:
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if (ghMozCtl)
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{
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FreeLibrary(ghMozCtl);
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ghMozCtl = NULL;
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}
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break;
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}
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return TRUE;
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}
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static BOOL LoadMozLibrary(BOOL bAskUserToSetPath = TRUE)
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{
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if (ghMozCtl)
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{
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return TRUE;
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}
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if (ghMozCtl)
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{
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return TRUE;
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}
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ghMozCtl = LoadLibrary(c_szMozCtlDll);
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if (ghMozCtl)
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{
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return TRUE;
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}
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ghMozCtl = LoadLibrary(c_szMozCtlDll);
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if (ghMozCtl)
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{
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return TRUE;
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}
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// Try modifying the PATH environment variable
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HKEY hkey = NULL;
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DWORD dwDisposition = 0;
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RegCreateKeyEx(HKEY_LOCAL_MACHINE, c_szMozillaControlKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL);
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if (hkey)
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{
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_TCHAR szBinDirPath[MAX_PATH + 1];
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DWORD dwBufSize = sizeof(szBinDirPath);
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DWORD dwType = REG_SZ;
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ZeroMemory(szBinDirPath, dwBufSize);
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RegQueryValueEx(hkey, c_szMozillaBinDirPathValue, NULL, &dwType, (LPBYTE) szBinDirPath, &dwBufSize);
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if (LoadMozLibraryFromCurrentDir())
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{
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return TRUE;
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}
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// Append the bin dir path to the PATH environment variable
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int nPathLength = lstrlen(szBinDirPath);
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if (bAskUserToSetPath && nPathLength == 0)
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{
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// TODO ask the user if they wish to set the bin dir path to something
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// Show a folder picker for the user to choose the bin directory
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BROWSEINFO bi;
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ZeroMemory(&bi, sizeof(bi));
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bi.hwndOwner = NULL;
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bi.pidlRoot = NULL;
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bi.pszDisplayName = szBinDirPath;
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bi.lpszTitle = _T("Pick where the Mozilla bin directory is located, e.g. (c:\\mozilla\\bin)");
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LPITEMIDLIST pItemList = SHBrowseForFolder(&bi);
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if (pItemList)
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{
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// Get the path from the user selection
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IMalloc *pShellAllocator = NULL;
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SHGetMalloc(&pShellAllocator);
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if (pShellAllocator)
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{
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char szPath[MAX_PATH + 1];
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if (LoadMozLibraryFromRegistry(bAskUserToSetPath))
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{
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return TRUE;
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}
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if (SHGetPathFromIDList(pItemList, szPath))
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{
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// Chop off the end path seperator
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int nPathSize = strlen(szPath);
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if (nPathSize > 0)
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{
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if (szPath[nPathSize - 1] == '\\')
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{
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szPath[nPathSize - 1] = '\0';
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}
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}
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::MessageBox(NULL, c_szLoadErrorMsg, c_szErrorTitle, MB_OK);
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// Form the file pattern
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return FALSE;
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}
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static BOOL LoadMozLibraryFromCurrentDir()
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{
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TCHAR szMozCtlXPath[MAX_PATH + 1];
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// Get this module's path
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ZeroMemory(szMozCtlXPath, sizeof(szMozCtlXPath));
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GetModuleFileName(ghMozCtlX, szMozCtlXPath,
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sizeof(szMozCtlXPath) / sizeof(szMozCtlXPath[0]));
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// Make the control path
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TCHAR szTmpDrive[_MAX_DRIVE];
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TCHAR szTmpDir[_MAX_DIR];
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TCHAR szTmpFname[_MAX_FNAME];
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TCHAR szTmpExt[_MAX_EXT];
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_tsplitpath(szMozCtlXPath, szTmpDrive, szTmpDir, szTmpFname, szTmpExt);
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TCHAR szMozCtlPath[MAX_PATH + 1];
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ZeroMemory(szMozCtlPath, sizeof(szMozCtlPath));
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_tmakepath(szMozCtlPath, szTmpDrive, szTmpDir, c_szMozCtlDll, NULL);
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// Stat to see if the control exists
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struct _stat dirStat;
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if (_tstat(szMozCtlPath, &dirStat) == 0)
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{
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TCHAR szBinDirPath[MAX_PATH + 1];
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ZeroMemory(szBinDirPath, sizeof(szBinDirPath));
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_tmakepath(szBinDirPath, szTmpDrive, szTmpDir, NULL, NULL);
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if (LoadLibraryWithPATHFixup(szBinDirPath))
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{
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return TRUE;
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}
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}
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return FALSE;
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}
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static BOOL LoadMozLibraryFromRegistry(BOOL bAskUserToSetPath)
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{
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//
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HKEY hkey = NULL;
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TCHAR szBinDirPath[MAX_PATH + 1];
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DWORD dwBufSize = sizeof(szBinDirPath);
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ZeroMemory(szBinDirPath, dwBufSize);
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// First try and read the path from the registry
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RegOpenKeyEx(HKEY_LOCAL_MACHINE, c_szMozillaControlKey, 0, KEY_READ, &hkey);
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if (hkey)
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{
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DWORD dwType = REG_SZ;
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RegQueryValueEx(hkey, c_szMozillaBinDirPathValue, NULL, &dwType,
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(LPBYTE) szBinDirPath, &dwBufSize);
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RegCloseKey(hkey);
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hkey = NULL;
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if (lstrlen(szBinDirPath) > 0 && LoadLibraryWithPATHFixup(szBinDirPath))
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{
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return TRUE;
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}
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// NOTE: We will drop through here if the registry key existed
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// but didn't lead to the control being loaded.
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}
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// Ask the user to pick to pick the path?
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if (bAskUserToSetPath)
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{
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// Tell the user that they have to pick the bin dir path
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::MessageBox(NULL, c_szPrePickFolderMsg, c_szWarningTitle, MB_OK);
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// Show a folder picker for the user to choose the bin directory
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BROWSEINFO bi;
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ZeroMemory(&bi, sizeof(bi));
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bi.hwndOwner = NULL;
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bi.pidlRoot = NULL;
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bi.pszDisplayName = szBinDirPath;
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bi.lpszTitle = c_szPickFolderDlgTitle;
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LPITEMIDLIST pItemList = SHBrowseForFolder(&bi);
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if (pItemList)
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{
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// Get the path from the user selection
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IMalloc *pShellAllocator = NULL;
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SHGetMalloc(&pShellAllocator);
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if (pShellAllocator)
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{
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char szPath[MAX_PATH + 1];
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if (SHGetPathFromIDList(pItemList, szPath))
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{
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// Chop off the end path seperator
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int nPathSize = strlen(szPath);
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if (nPathSize > 0)
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{
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if (szPath[nPathSize - 1] == '\\')
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{
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szPath[nPathSize - 1] = '\0';
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}
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}
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// Form the file pattern
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#ifdef UNICODE
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MultiByteToWideChar(CP_ACP, 0, szPath, szBinDirPath, -1, sizeof(szBinDirPath) / sizeof(_TCHAR));
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MultiByteToWideChar(CP_ACP, 0, szPath, szBinDirPath, -1,
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sizeof(szBinDirPath) / sizeof(TCHAR));
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#else
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lstrcpy(szBinDirPath, szPath);
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lstrcpy(szBinDirPath, szPath);
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#endif
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}
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pShellAllocator->Free(pItemList);
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pShellAllocator->Release();
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}
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}
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// Store the new path if it was set
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nPathLength = lstrlen(szBinDirPath);
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if (nPathLength > 0)
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{
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RegSetValueEx(hkey, c_szMozillaBinDirPathValue, 0, REG_SZ,
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(LPBYTE) szBinDirPath, _tcslen(szBinDirPath) * sizeof(_TCHAR));
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}
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}
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}
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pShellAllocator->Free(pItemList);
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pShellAllocator->Release();
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}
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}
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// Store the new path if we can
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if (lstrlen(szBinDirPath) > 0)
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{
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RegCreateKeyEx(HKEY_LOCAL_MACHINE, c_szMozillaControlKey, 0, NULL,
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REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, NULL, &hkey, NULL);
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if (hkey)
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{
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RegSetValueEx(hkey, c_szMozillaBinDirPathValue, 0, REG_SZ,
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(LPBYTE) szBinDirPath, lstrlen(szBinDirPath) * sizeof(TCHAR));
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RegCloseKey(hkey);
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}
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else
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{
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// Tell the user the key can't be stored but the path they
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// chose will be used for this session
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::MessageBox(NULL, c_szRegistryErrorMsg, c_szErrorTitle, MB_OK);
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}
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}
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}
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RegCloseKey(hkey);
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if (lstrlen(szBinDirPath) > 0 && LoadLibraryWithPATHFixup(szBinDirPath))
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{
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return TRUE;
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}
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if (nPathLength > 0)
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{
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_TCHAR szPath[8192];
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ZeroMemory(szPath, sizeof(szPath));
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GetEnvironmentVariable("PATH", szPath, sizeof(szPath) / sizeof(_TCHAR));
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lstrcat(szPath, _T(";"));
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lstrcat(szPath, szBinDirPath);
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SetEnvironmentVariable("PATH", szPath);
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return FALSE;
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}
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ghMozCtl = LoadLibrary(c_szMozCtlDll);
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if (ghMozCtl)
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{
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return TRUE;
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}
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}
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}
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static BOOL LoadLibraryWithPATHFixup(const TCHAR *szBinDirPath)
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{
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TCHAR szOldPath[8192];
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TCHAR szNewPath[8192];
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ZeroMemory(szOldPath, sizeof(szOldPath));
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ZeroMemory(szNewPath, sizeof(szNewPath));
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return FALSE;
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// Append path to front of PATH
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GetEnvironmentVariable("PATH", szOldPath, sizeof(szOldPath) / sizeof(TCHAR));
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lstrcat(szNewPath, szBinDirPath);
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lstrcat(szNewPath, _T(";"));
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lstrcat(szNewPath, szOldPath);
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SetEnvironmentVariable("PATH", szNewPath);
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// Attempt load
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ghMozCtl = LoadLibrary(c_szMozCtlDll);
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if (ghMozCtl)
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{
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return TRUE;
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}
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// Restore old PATH
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SetEnvironmentVariable("PATH", szOldPath);
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return FALSE;
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}
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static BOOL FixupInProcRegistryEntry()
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{
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_TCHAR szMozCtlXLongPath[MAX_PATH+1];
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ZeroMemory(szMozCtlXLongPath, sizeof(szMozCtlXLongPath));
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GetModuleFileName(ghMozCtlX, szMozCtlXLongPath, sizeof(szMozCtlXLongPath) * sizeof(_TCHAR));
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TCHAR szMozCtlXLongPath[MAX_PATH+1];
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ZeroMemory(szMozCtlXLongPath, sizeof(szMozCtlXLongPath));
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GetModuleFileName(ghMozCtlX, szMozCtlXLongPath,
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sizeof(szMozCtlXLongPath) * sizeof(TCHAR));
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_TCHAR szMozCtlXPath[MAX_PATH+1];
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ZeroMemory(szMozCtlXPath, sizeof(szMozCtlXPath));
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GetShortPathName(szMozCtlXLongPath, szMozCtlXPath, sizeof(szMozCtlXPath) * sizeof(_TCHAR));
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TCHAR szMozCtlXPath[MAX_PATH+1];
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ZeroMemory(szMozCtlXPath, sizeof(szMozCtlXPath));
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GetShortPathName(szMozCtlXLongPath, szMozCtlXPath,
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sizeof(szMozCtlXPath) * sizeof(TCHAR));
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HKEY hkey = NULL;
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RegOpenKeyEx(HKEY_CLASSES_ROOT, c_szMozCtlInProcServerKey, 0, KEY_ALL_ACCESS, &hkey);
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if (hkey)
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{
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RegSetValueEx(hkey, NULL, 0, REG_SZ, (LPBYTE) szMozCtlXPath, lstrlen(szMozCtlXPath) * sizeof(_TCHAR));
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RegCloseKey(hkey);
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return TRUE;
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}
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HKEY hkey = NULL;
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RegOpenKeyEx(HKEY_CLASSES_ROOT, c_szMozCtlInProcServerKey, 0, KEY_ALL_ACCESS, &hkey);
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if (hkey)
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{
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RegSetValueEx(hkey, NULL, 0, REG_SZ, (LPBYTE) szMozCtlXPath,
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lstrlen(szMozCtlXPath) * sizeof(TCHAR));
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RegCloseKey(hkey);
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return TRUE;
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}
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return FALSE;
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return FALSE;
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||||
}
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/////////////////////////////////////////////////////////////////////////////
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|
|
@ -189,15 +325,16 @@ typedef HRESULT (STDAPICALLTYPE *DllCanUnloadNowFn)(void);
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|||
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STDAPI DllCanUnloadNow(void)
|
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{
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllCanUnloadNowFn pfn = (DllCanUnloadNowFn) GetProcAddress(ghMozCtl, _T("DllCanUnloadNow"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn();
|
||||
}
|
||||
}
|
||||
return S_OK;
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllCanUnloadNowFn pfn = (DllCanUnloadNowFn)
|
||||
GetProcAddress(ghMozCtl, _T("DllCanUnloadNow"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn();
|
||||
}
|
||||
}
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -207,15 +344,16 @@ typedef HRESULT (STDAPICALLTYPE *DllGetClassObjectFn)(REFCLSID rclsid, REFIID ri
|
|||
|
||||
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
|
||||
{
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllGetClassObjectFn pfn = (DllGetClassObjectFn) GetProcAddress(ghMozCtl, _T("DllGetClassObject"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn(rclsid, riid, ppv);
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllGetClassObjectFn pfn = (DllGetClassObjectFn)
|
||||
GetProcAddress(ghMozCtl, _T("DllGetClassObject"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn(rclsid, riid, ppv);
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -225,20 +363,21 @@ typedef HRESULT (STDAPICALLTYPE *DllRegisterServerFn)(void);
|
|||
|
||||
STDAPI DllRegisterServer(void)
|
||||
{
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllRegisterServerFn pfn = (DllRegisterServerFn) GetProcAddress(ghMozCtl, _T("DllRegisterServer"));
|
||||
if (pfn)
|
||||
{
|
||||
HRESULT hr = pfn();
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
FixupInProcRegistryEntry();
|
||||
}
|
||||
return hr;
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllRegisterServerFn pfn = (DllRegisterServerFn)
|
||||
GetProcAddress(ghMozCtl, _T("DllRegisterServer"));
|
||||
if (pfn)
|
||||
{
|
||||
HRESULT hr = pfn();
|
||||
if (SUCCEEDED(hr))
|
||||
{
|
||||
FixupInProcRegistryEntry();
|
||||
}
|
||||
return hr;
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
}
|
||||
|
||||
/////////////////////////////////////////////////////////////////////////////
|
||||
|
|
@ -248,13 +387,14 @@ typedef HRESULT (STDAPICALLTYPE *DllUnregisterServerFn)(void);
|
|||
|
||||
STDAPI DllUnregisterServer(void)
|
||||
{
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllUnregisterServerFn pfn = (DllUnregisterServerFn) GetProcAddress(ghMozCtl, _T("DllUnregisterServer"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn();
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
if (LoadMozLibrary())
|
||||
{
|
||||
DllUnregisterServerFn pfn = (DllUnregisterServerFn)
|
||||
GetProcAddress(ghMozCtl, _T("DllUnregisterServer"));
|
||||
if (pfn)
|
||||
{
|
||||
return pfn();
|
||||
}
|
||||
}
|
||||
return E_FAIL;
|
||||
}
|
||||
|
|
|
|||
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