Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/libfreerdp/codec/ncrush.h

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+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * NCrush (RDP6) Bulk Data Compression
+ *
+ * Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef FREERDP_CODEC_NCRUSH_H
+#define FREERDP_CODEC_NCRUSH_H
+
+#include <freerdp/api.h>
+#include <freerdp/types.h>
+
+#include "mppc.h"
+
+#include <winpr/bitstream.h>
+
+typedef struct s_NCRUSH_CONTEXT NCRUSH_CONTEXT;
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL int ncrush_compress(NCRUSH_CONTEXT* ncrush, const BYTE* pSrcData, UINT32 SrcSize,
+	                                  BYTE* pDstBuffer, const BYTE** ppDstData, UINT32* pDstSize,
+	                                  UINT32* pFlags);
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL int ncrush_decompress(NCRUSH_CONTEXT* ncrush, const BYTE* pSrcData,
+	                                    UINT32 SrcSize, const BYTE** ppDstData, UINT32* pDstSize,
+	                                    UINT32 flags);
+
+	FREERDP_LOCAL void ncrush_context_reset(NCRUSH_CONTEXT* ncrush, BOOL flush);
+
+	FREERDP_LOCAL void ncrush_context_free(NCRUSH_CONTEXT* ncrush);
+
+	WINPR_ATTR_MALLOC(ncrush_context_free, 1)
+	WINPR_ATTR_NODISCARD
+	FREERDP_LOCAL NCRUSH_CONTEXT* ncrush_context_new(BOOL Compressor);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FREERDP_CODEC_NCRUSH_H */