Method unzip

libinstall/src/Decompress.cpp:31–137

using namespace std;

BOOL Decompress::unzip(const tstring &zipFile, const tstring &destDir)
{

	zlib_filefunc_def filefunc;
	fill_win32_filefunc(&filefunc);
	unzFile hZip = unzOpen2(zipFile.c_str(), &filefunc);

	if (unzGoToFirstFile(hZip) != UNZ_OK)
	{
		unzClose(hZip);
		return FALSE;
	}

	int nextFileResult;

	do {
		if (unzOpenCurrentFile(hZip) != UNZ_OK)
		{
			unzClose(hZip);
			return FALSE;
		}

		char filename[MAX_PATH];

		if (unzGetCurrentFileInfo(hZip, NULL, filename, MAX_PATH, NULL, 0, NULL, 0) != UNZ_OK)
		{
			unzClose(hZip);
			return FALSE;
		}

		std::shared_ptr<TCHAR> tFilename = WcharMbcsConverter::char2tchar(filename);


		if ((tFilename.get())[_tcslen(tFilename.get()) - 1] == _T('/'))
		{
			tstring outputDir(destDir);

			outputDir.append(tFilename.get());
			outputDir.erase(outputDir.size() - 1);
			::CreateDirectory(outputDir.c_str(), NULL);
			unzCloseCurrentFile(hZip);
		}
		else
		{

			FILE *fp = NULL;
			tstring outputFilename (destDir);

			outputFilename.append(tFilename.get());

			tstring::size_type pos = outputFilename.find_first_of(_T('/'));
			// Replace all the forward slashes with backward ones
			while (pos != string::npos)
			{

				outputFilename.replace(pos, 1, 1, _T('\\'));
				pos = outputFilename.find_first_of(_T('/'), pos);
			}