3.13

7zip/Archive/GZip/GZipOut.cpp

@@ -0,0 +1,48 @@
+// 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));
+}
+
+}}