+
+ std::vector<APT::Configuration::Compressor> const compressors = APT::Configuration::getCompressors();
+ std::vector<APT::Configuration::Compressor>::const_iterator compressor = compressors.begin();
+ for (; compressor != compressors.end(); ++compressor)
+ if (compressor->Name == Prog)
+ break;
+ if (compressor == compressors.end())
+ return _error->Error("Extraction of file %s requires unknown compressor %s", Path.c_str(), Prog);
+