// // ZipDataInfo.cpp // // Library: Zip // Package: Zip // Module: ZipDataInfo // // Copyright (c) 2007, Applied Informatics Software Engineering GmbH. // and Contributors. // // SPDX-License-Identifier: BSL-1.0 // #include "Poco/Zip/ZipDataInfo.h" #include "Poco/Exception.h" #include #include namespace Poco { namespace Zip { const char ZipDataInfo::HEADER[ZipCommon::HEADER_SIZE] = {'\x50', '\x4b', '\x07', '\x08'}; ZipDataInfo::ZipDataInfo(): _rawInfo(), _valid(true) { std::memcpy(_rawInfo, HEADER, ZipCommon::HEADER_SIZE); std::memset(_rawInfo+ZipCommon::HEADER_SIZE, 0, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE); _valid = true; } ZipDataInfo::ZipDataInfo(std::istream& in, bool assumeHeaderRead): _rawInfo(), _valid(false) { if (assumeHeaderRead) { std::memcpy(_rawInfo, HEADER, ZipCommon::HEADER_SIZE); } else { in.read(_rawInfo, ZipCommon::HEADER_SIZE); if (in.gcount() != ZipCommon::HEADER_SIZE) throw Poco::IOException("Failed to read data info header"); if (std::memcmp(_rawInfo, HEADER, ZipCommon::HEADER_SIZE) != 0) throw Poco::DataFormatException("Bad data info header"); } // now copy the rest of the header in.read(_rawInfo+ZipCommon::HEADER_SIZE, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE); _valid = (!in.eof() && in.good()); } ZipDataInfo::~ZipDataInfo() { } const char ZipDataInfo64::HEADER[ZipCommon::HEADER_SIZE] = {'\x50', '\x4b', '\x07', '\x08'}; ZipDataInfo64::ZipDataInfo64(): _rawInfo(), _valid(true) { std::memcpy(_rawInfo, HEADER, ZipCommon::HEADER_SIZE); std::memset(_rawInfo+ZipCommon::HEADER_SIZE, 0, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE); _valid = true; } ZipDataInfo64::ZipDataInfo64(std::istream& in, bool assumeHeaderRead): _rawInfo(), _valid(false) { if (assumeHeaderRead) { std::memcpy(_rawInfo, HEADER, ZipCommon::HEADER_SIZE); } else { in.read(_rawInfo, ZipCommon::HEADER_SIZE); if (in.gcount() != ZipCommon::HEADER_SIZE) throw Poco::IOException("Failed to read data info header"); if (std::memcmp(_rawInfo, HEADER, ZipCommon::HEADER_SIZE) != 0) throw Poco::DataFormatException("Bad data info header"); } // now copy the rest of the header in.read(_rawInfo+ZipCommon::HEADER_SIZE, FULLHEADER_SIZE - ZipCommon::HEADER_SIZE); _valid = (!in.eof() && in.good()); } ZipDataInfo64::~ZipDataInfo64() { } } } // namespace Poco::Zip