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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp b/other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp new file mode 100644 index 000000000..45da6d7f0 --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Common/OutBuffer.cpp @@ -0,0 +1,116 @@ +// OutByte.cpp
+
+#include "StdAfx.h"
+
+#include "OutBuffer.h"
+
+#include "../../Common/Alloc.h"
+
+bool COutBuffer::Create(UInt32 bufferSize)
+{
+ const UInt32 kMinBlockSize = 1;
+ if (bufferSize < kMinBlockSize)
+ bufferSize = kMinBlockSize;
+ if (_buffer != 0 && _bufferSize == bufferSize)
+ return true;
+ Free();
+ _bufferSize = bufferSize;
+ _buffer = (Byte *)::MidAlloc(bufferSize);
+ return (_buffer != 0);
+}
+
+void COutBuffer::Free()
+{
+ ::MidFree(_buffer);
+ _buffer = 0;
+}
+
+void COutBuffer::SetStream(ISequentialOutStream *stream)
+{
+ _stream = stream;
+}
+
+void COutBuffer::Init()
+{
+ _streamPos = 0;
+ _limitPos = _bufferSize;
+ _pos = 0;
+ _processedSize = 0;
+ _overDict = false;
+ #ifdef _NO_EXCEPTIONS
+ ErrorCode = S_OK;
+ #endif
+}
+
+UInt64 COutBuffer::GetProcessedSize() const
+{
+ UInt64 res = _processedSize + _pos - _streamPos;
+ if (_streamPos > _pos)
+ res += _bufferSize;
+ return res;
+}
+
+
+HRESULT COutBuffer::FlushPart()
+{
+ // _streamPos < _bufferSize
+ UInt32 size = (_streamPos >= _pos) ? (_bufferSize - _streamPos) : (_pos - _streamPos);
+ HRESULT result = S_OK;
+ #ifdef _NO_EXCEPTIONS
+ result = ErrorCode;
+ #endif
+ if (_buffer2 != 0)
+ {
+ memmove(_buffer2, _buffer + _streamPos, size);
+ _buffer2 += size;
+ }
+
+ if (_stream != 0
+ #ifdef _NO_EXCEPTIONS
+ && (ErrorCode == S_OK)
+ #endif
+ )
+ {
+ UInt32 processedSize = 0;
+ result = _stream->Write(_buffer + _streamPos, size, &processedSize);
+ size = processedSize;
+ }
+ _streamPos += size;
+ if (_streamPos == _bufferSize)
+ _streamPos = 0;
+ if (_pos == _bufferSize)
+ {
+ _overDict = true;
+ _pos = 0;
+ }
+ _limitPos = (_streamPos > _pos) ? _streamPos : _bufferSize;
+ _processedSize += size;
+ return result;
+}
+
+HRESULT COutBuffer::Flush()
+{
+ #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 = FlushPart();
+ #ifdef _NO_EXCEPTIONS
+ ErrorCode = result;
+ #else
+ if (result != S_OK)
+ throw COutBufferException(result);
+ #endif
+}
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