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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp b/other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp new file mode 100644 index 000000000..fb8dc8d16 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Common/OutBuffer.cpp @@ -0,0 +1,111 @@ +// OutBuffer.cpp
+
+#include "StdAfx.h"
+
+#include "../../../C/Alloc.h"
+
+#include "OutBuffer.h"
+
+bool COutBuffer::Create(UInt32 bufSize) throw()
+{
+ const UInt32 kMinBlockSize = 1;
+ if (bufSize < kMinBlockSize)
+ bufSize = kMinBlockSize;
+ if (_buf != 0 && _bufSize == bufSize)
+ return true;
+ Free();
+ _bufSize = bufSize;
+ _buf = (Byte *)::MidAlloc(bufSize);
+ return (_buf != 0);
+}
+
+void COutBuffer::Free() throw()
+{
+ ::MidFree(_buf);
+ _buf = 0;
+}
+
+void COutBuffer::Init() throw()
+{
+ _streamPos = 0;
+ _limitPos = _bufSize;
+ _pos = 0;
+ _processedSize = 0;
+ _overDict = false;
+ #ifdef _NO_EXCEPTIONS
+ ErrorCode = S_OK;
+ #endif
+}
+
+UInt64 COutBuffer::GetProcessedSize() const throw()
+{
+ UInt64 res = _processedSize + _pos - _streamPos;
+ if (_streamPos > _pos)
+ res += _bufSize;
+ return res;
+}
+
+
+HRESULT COutBuffer::FlushPart() throw()
+{
+ // _streamPos < _bufSize
+ UInt32 size = (_streamPos >= _pos) ? (_bufSize - _streamPos) : (_pos - _streamPos);
+ HRESULT result = S_OK;
+ #ifdef _NO_EXCEPTIONS
+ result = ErrorCode;
+ #endif
+ if (_buf2 != 0)
+ {
+ memcpy(_buf2, _buf + _streamPos, size);
+ _buf2 += size;
+ }
+
+ if (_stream != 0
+ #ifdef _NO_EXCEPTIONS
+ && (ErrorCode == S_OK)
+ #endif
+ )
+ {
+ UInt32 processedSize = 0;
+ result = _stream->Write(_buf + _streamPos, size, &processedSize);
+ size = processedSize;
+ }
+ _streamPos += size;
+ if (_streamPos == _bufSize)
+ _streamPos = 0;
+ if (_pos == _bufSize)
+ {
+ _overDict = true;
+ _pos = 0;
+ }
+ _limitPos = (_streamPos > _pos) ? _streamPos : _bufSize;
+ _processedSize += size;
+ return result;
+}
+
+HRESULT COutBuffer::Flush() throw()
+{
+ #ifdef _NO_EXCEPTIONS
+ if (ErrorCode != S_OK)
+ return ErrorCode;
+ #endif
+
+ while (_streamPos != _pos)
+ {
+ HRESULT result = FlushPart();
+ if (result != S_OK)
+ return result;
+ }
+ return S_OK;
+}
+
+void COutBuffer::FlushWithCheck()
+{
+ HRESULT result = Flush();
+ #ifdef _NO_EXCEPTIONS
+ ErrorCode = result;
+ #else
+ if (result != S_OK)
+ throw COutBufferException(result);
+ #endif
+}
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