ObjFW  Diff

	bool all = ([files count] == 0);
	OFMutableSet OF_GENERIC(OFString *) *missing =
	    [OFMutableSet setWithArray: files];

	for (OFZIPArchiveEntry *entry in [_archive entries]) {
		void *pool = objc_autoreleasePoolPush();
		OFString *fileName = [entry fileName];
		OFString *outFileName = [fileName stringByStandardizingPath];
		OFString *outFileName, *directory;
		OFArray OF_GENERIC(OFString *) *pathComponents;
		OFString *directory;
		OFStream *stream;
		OFFile *output;
		uint64_t written = 0, size = [entry uncompressedSize];
		int8_t percent = -1, newPercent;

		if (!all && ![files containsObject: fileName])
			continue;

		[missing removeObject: fileName];

#if !defined(OF_WINDOWS) && !defined(OF_MSDOS)
		if ([outFileName hasPrefix: @"/"]) {
		outFileName = [app safeLocalPathForPath: fileName];
#else
		if ([outFileName hasPrefix: @"/"] ||
		if (outFileName == nil) {
		    [outFileName containsString: @":"]) {
#endif
			[of_stderr writeLine: OF_LOCALIZED(
			    @"refusing_to_extract_file",
			    @"Refusing to extract %[file]!",
			    @"file", fileName)];

			app->_exitStatus = 1;
			goto outer_loop_end;
		}

		pathComponents = [outFileName pathComponents];
		for (OFString *component in pathComponents) {
			if ([component length] == 0 ||
			    [component isEqual: @".."]) {
				[of_stderr writeLine: OF_LOCALIZED(
				    @"refusing_to_extract_file",
				    @"Refusing to extract %[file]!",
				    @"file", fileName)];

				app->_exitStatus = 1;
				goto outer_loop_end;
			}
		}
		outFileName = [OFString pathWithComponents: pathComponents];

		if (app->_outputLevel >= 0)
			[of_stdout writeString: OF_LOCALIZED(@"extracting_file",
			    @"Extracting %[file]...",
			    @"file", fileName)];

		if ([fileName hasSuffix: @"/"]) {
			[fileManager createDirectoryAtPath: outFileName