size_t SarReader::getFileLength( const char *file_name )
{
size_t ret;
if ( ( ret = DirectReader::getFileLength( file_name ) ) ) return ret;
ArchiveInfo *info = archive_info.next;
unsigned int j = 0;
for ( int i=0 ; i<num_of_sar_archives ; i++ ){
j = getIndexFromFile( info, file_name );
if ( j != info->num_of_files ) break;
info = info->next;
}
if ( !info ) return 0;
if ( info->fi_list[j].original_length != 0 )
return info->fi_list[j].original_length;
int type = info->fi_list[j].compression_type;
if ( type == NO_COMPRESSION )
type = getRegisteredCompressionType( file_name );
if ( type == NBZ_COMPRESSION || type == SPB_COMPRESSION ) {
info->fi_list[j].original_length = getDecompressedFileLength( type, info->file_handle, info->fi_list[j].offset );
}
return info->fi_list[j].original_length;
}
size_t NsaReader::getFileLengthSub( ArchiveInfo *ai, const char *file_name )
{
unsigned int i = getIndexFromFile( ai, file_name );
if ( i == ai->num_of_files ) return 0;
if ( ai->fi_list[i].compression_type == NO_COMPRESSION ){
int type = getRegisteredCompressionType( file_name );
if ( type == NBZ_COMPRESSION || type == SPB_COMPRESSION )
return getDecompressedFileLength( type, ai->file_handle, ai->fi_list[i].offset );
}
return ai->fi_list[i].original_length;
}
