bool ParzeLink( FSPath& path, FSString& link )
{
FSPath t( link );
if ( !path.IsAbsolute() && !t.IsAbsolute() ) { return false; } //не абсолютный путь
int first = 0;
if ( t.IsAbsolute() )
{
path.Clear();
path.PushStr( FSString( "" ) );
first = 1;
}
for ( int i = first; i < t.Count(); i++ )
{
FSString p = *( t.GetItem( i ) );
if ( p.IsDot() ) { continue; }
if ( p.Is2Dot() )
{
if ( path.Count() > 1 ) { path.Pop(); }
}
else
{
path.PushStr( p );
}
}
return true;
}
void OperRDThread::Run()
{
if ( !fs.Ptr() ) { return; }
int n = 8;
int ret_err;
int havePostponedStatError = 0;
FSString postponedStrError;
while ( true )
{
if ( !( fs->Flags() & FS::HAVE_SYMLINK ) )
{
break;
}
FSStat st;
// if path is inaccessible, try .. path. Throw the exception later
// This makes panel at least having some valid folder
while ( fs->Stat( path, &st, &ret_err, Info() ) )
{
havePostponedStatError = 1;
postponedStrError = fs->StrError( ret_err );
if ( !path.IsAbsolute() || path.Count() <= 1 || !path.Pop() )
{
throw_msg( "%s", postponedStrError.GetUtf8() );
}
}
// yell immediately if the path is inaccessible (orig behavior)
//if (fs->Stat(path, &st, &ret_err, Info()))
// throw_msg("%s", fs->StrError(ret_err).GetUtf8());
if ( !st.IsLnk() )
{
break;
}
n--;
if ( n < 0 )
{
throw_msg( "too many symbolic links '%s'", path.GetUtf8() );
}
path.Pop();
if ( !ParzeLink( path, st.link ) )
{
throw_msg( "invalid symbolic link '%s'", path.GetUtf8() );
}
}
clPtr<FSList> list = new FSList;
int havePostponedReadError = 0;
// if directory is not readable, try .. path. Throw the exception later
// "Stat" call above does not catch this: it checks only folder existence, but not accessibilly
while ( fs->ReadDir( list.ptr(), path, &ret_err, Info() ) )
{
havePostponedReadError = 1;
postponedStrError = fs->StrError( ret_err );
if ( !path.IsAbsolute() || path.Count() <= 1 || !path.Pop() )
{
throw_msg( "%s", postponedStrError.GetUtf8() );
}
}
// yell immediately if the dir is unreadable (orig behavior)
//int ret = fs->ReadDir(list.ptr(), path, &ret_err, Info());
//if (ret)
// throw_msg("%s", fs->StrError(ret_err).GetUtf8());
FSStatVfs vst;
fs->StatVfs( path, &vst, &ret_err, Info() );
MutexLock lock( Node().GetMutex() ); //!!!
if ( Node().NBStopped() ) { return; }
OperRDData* data = ( ( OperRDData* )Node().Data() );
data->list = list;
data->path = path;
data->executed = true;
data->vst = vst;
if ( havePostponedReadError || havePostponedStatError )
{
data->nonFatalErrorString = postponedStrError;
}
}