Files
easy7zip/7zip/Archive/GZip/GZipOut.cpp
Igor Pavlov 8c1b5c7b7e 3.13
2016-05-28 00:15:41 +01:00

49 lines
1.1 KiB
C++
Executable File

// Archive/GZipOut.cpp
#include "StdAfx.h"
#include "GZipOut.h"
#include "Common/CRC.h"
#include "Windows/Defs.h"
namespace NArchive {
namespace NGZip {
HRESULT COutArchive::WriteBytes(const void *buffer, UINT32 size)
{
UINT32 processedSize;
RINOK(m_Stream->Write(buffer, size, &processedSize));
if(processedSize != size)
return E_FAIL;
return S_OK;
}
HRESULT COutArchive::WriteHeader(const CItem &item)
{
NFileHeader::CBlock header;
header.Id = kSignature;
header.CompressionMethod = item.CompressionMethod;
header.Flags = item.Flags;
header.Flags &= NFileHeader::NFlags::kNameIsPresent;
header.Time = item.Time;
header.ExtraFlags = item.ExtraFlags;
header.HostOS = item.HostOS;
RINOK(WriteBytes(&header, sizeof(header)));
if (item.NameIsPresent())
{
RINOK(WriteBytes((LPCSTR)item.Name, item.Name.Length()));
BYTE zero = 0;
RINOK(WriteBytes(&zero, sizeof(zero)));
}
// check it
return S_OK;
}
HRESULT COutArchive::WritePostInfo(UINT32 crc, UINT32 unpackSize)
{
RINOK(WriteBytes(&crc, sizeof(crc)));
return WriteBytes(&unpackSize, sizeof(unpackSize));
}
}}