Exemplos de envpath em C++ (Cpp)

Exemplo n.º 1

Arquivo: manager.cpp Projeto: TUDz/ar2tech-SGeMS-public

std::string Manager::init_plugin_path() { 
  char* env = getenv("GSTLAPPLIHOME"); 
  if( env ) { 
    //std::string base_path( env ); 
    //return base_path + "/plugins/";
    QString envpath( env );
    QDir homedir( envpath );
    homedir.cd( "plugins" );
    
    QByteArray tmp = homedir.absolutePath().toAscii();
    return tmp.constData();
  } 
  else {
    QDir current_dir;
    //std::string path( current_dir.absPath().latin1() );
    //path += "/plugins/";
    //return ( path + "/plugins/" );
    current_dir.cd( "plugins" );
    QByteArray tmp = current_dir.absolutePath().toAscii();
    return tmp.constData();
  }
} 

Exemplo n.º 2

Arquivo: PsEngine.cpp Projeto: xuxiandi/sumatrapdf

static WCHAR *GetGhostscriptPath()
{
    WCHAR *gsProducts[] = {
        L"AFPL Ghostscript",
        L"Aladdin Ghostscript",
        L"GPL Ghostscript",
        L"GNU Ghostscript",
    };

    // find all installed Ghostscript versions
    WStrVec versions;
    REGSAM access = KEY_READ | KEY_WOW64_32KEY;
TryAgain64Bit:
    for (int i = 0; i < dimof(gsProducts); i++) {
        HKEY hkey;
        ScopedMem<WCHAR> keyName(str::Join(L"Software\\", gsProducts[i]));
        if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, keyName, 0, access, &hkey) != ERROR_SUCCESS)
            continue;
        WCHAR subkey[32];
        for (DWORD ix = 0; RegEnumKey(hkey, ix, subkey, dimof(subkey)) == ERROR_SUCCESS; ix++)
            versions.Append(str::Dup(subkey));
        RegCloseKey(hkey);
    }
    if ((access & KEY_WOW64_32KEY)) {
        // also look for 64-bit Ghostscript versions under 64-bit Windows
        access = KEY_READ | KEY_WOW64_64KEY;
#ifndef _WIN64
        // (unless this is 32-bit Windows)
        if (IsRunningInWow64())
#endif
        goto TryAgain64Bit;
    }
    versions.SortNatural();

    // return the path to the newest installation
    for (size_t ix = versions.Count(); ix > 0; ix--) {
        for (int i = 0; i < dimof(gsProducts); i++) {
            ScopedMem<WCHAR> keyName(str::Format(L"Software\\%s\\%s",
                                                 gsProducts[i], versions.At(ix - 1)));
            ScopedMem<WCHAR> GS_DLL(ReadRegStr(HKEY_LOCAL_MACHINE, keyName, L"GS_DLL"));
            if (!GS_DLL)
                continue;
            ScopedMem<WCHAR> dir(path::GetDir(GS_DLL));
            ScopedMem<WCHAR> exe(path::Join(dir, L"gswin32c.exe"));
            if (file::Exists(exe))
                return exe.StealData();
            exe.Set(path::Join(dir, L"gswin64c.exe"));
            if (file::Exists(exe))
                return exe.StealData();
        }
    }

    // if Ghostscript isn't found in the Registry, try finding it in the %PATH%
    DWORD size = GetEnvironmentVariable(L"PATH", NULL, 0);
    ScopedMem<WCHAR> envpath(AllocArray<WCHAR>(size));
    if (size > 0 && envpath) {
        GetEnvironmentVariable(L"PATH", envpath, size);
        WStrVec paths;
        paths.Split(envpath, L";", true);
        for (size_t ix = 0; ix < paths.Count(); ix++) {
            ScopedMem<WCHAR> exe(path::Join(paths.At(ix), L"gswin32c.exe"));
            if (file::Exists(exe))
                return exe.StealData();
            exe.Set(path::Join(paths.At(ix), L"gswin64c.exe"));
            if (file::Exists(exe))
                return exe.StealData();
        }
    }

    return NULL;
}