Updated rasm to 1.7

1 files changed, 236 insertions, 0 deletions

diff --git a/tools/rasm/lzsa-master/src/expand_streaming.c b/tools/rasm/lzsa-master/src/expand_streaming.c
new file mode 100644
index 0000000..b241c68
--- /dev/null
+++ b/tools/rasm/lzsa-master/src/expand_streaming.c
@@ -0,0 +1,236 @@
+/*

+ * expand_streaming.c - streaming decompression definitions

+ *

+ * Copyright (C) 2019 Emmanuel Marty

+ *

+ * This software is provided 'as-is', without any express or implied

+ * warranty.  In no event will the authors be held liable for any damages

+ * arising from the use of this software.

+ *

+ * Permission is granted to anyone to use this software for any purpose,

+ * including commercial applications, and to alter it and redistribute it

+ * freely, subject to the following restrictions:

+ *

+ * 1. The origin of this software must not be misrepresented; you must not

+ *    claim that you wrote the original software. If you use this software

+ *    in a product, an acknowledgment in the product documentation would be

+ *    appreciated but is not required.

+ * 2. Altered source versions must be plainly marked as such, and must not be

+ *    misrepresented as being the original software.

+ * 3. This notice may not be removed or altered from any source distribution.

+ */

+

+/*

+ * Uses the libdivsufsort library Copyright (c) 2003-2008 Yuta Mori

+ *

+ * Inspired by LZ4 by Yann Collet. https://github.com/lz4/lz4

+ * With help, ideas, optimizations and speed measurements by spke <zxintrospec@gmail.com>

+ * With ideas from Lizard by Przemyslaw Skibinski and Yann Collet. https://github.com/inikep/lizard

+ * Also with ideas from smallz4 by Stephan Brumme. https://create.stephan-brumme.com/smallz4/

+ *

+ */

+

+

+#include <stdlib.h>

+#include <string.h>

+#include "expand_streaming.h"

+#include "format.h"

+#include "frame.h"

+#include "lib.h"

+

+/*-------------- File API -------------- */

+

+/**

+ * Decompress file

+ *

+ * @param pszInFilename name of input(compressed) file to decompress

+ * @param pszOutFilename name of output(decompressed) file to generate

+ * @param pszDictionaryFilename name of dictionary file, or NULL for none

+ * @param nFlags compression flags (LZSA_FLAG_RAW_BLOCK to decompress a raw block, or 0)

+ * @param nFormatVersion default version of format to use (1-2). This is used when decompressing a raw block, otherwise the version is extracted from the source file

+ * @param pOriginalSize pointer to returned output(decompressed) size, updated when this function is successful

+ * @param pCompressedSize pointer to returned input(compressed) size, updated when this function is successful

+ *

+ * @return LZSA_OK for success, or an error value from lzsa_status_t

+ */

+lzsa_status_t lzsa_decompress_file(const char *pszInFilename, const char *pszOutFilename, const char *pszDictionaryFilename, const unsigned int nFlags, int nFormatVersion,

+                                   long long *pOriginalSize, long long *pCompressedSize) {

+   lzsa_stream_t inStream, outStream;

+   void *pDictionaryData = NULL;

+   int nDictionaryDataSize = 0;

+   lzsa_status_t nStatus;

+

+   if (lzsa_filestream_open(&inStream, pszInFilename, "rb") < 0) {

+      return LZSA_ERROR_SRC;

+   }

+

+   if (lzsa_filestream_open(&outStream, pszOutFilename, "wb") < 0) {

+      inStream.close(&inStream);

+      return LZSA_ERROR_DST;

+   }

+

+   nStatus = lzsa_dictionary_load(pszDictionaryFilename, &pDictionaryData, &nDictionaryDataSize);

+   if (nStatus) {

+      outStream.close(&outStream);

+      inStream.close(&inStream);

+      return nStatus;

+   }

+

+   nStatus = lzsa_decompress_stream(&inStream, &outStream, pDictionaryData, nDictionaryDataSize, nFlags, nFormatVersion, pOriginalSize, pCompressedSize);

+

+   lzsa_dictionary_free(&pDictionaryData);

+   outStream.close(&outStream);

+   inStream.close(&inStream);

+

+   return nStatus;

+}

+

+/*-------------- Streaming API -------------- */

+

+/**

+ * Decompress stream

+ *

+ * @param pInStream input(compressed) stream to decompress

+ * @param pOutStream output(decompressed) stream to write to

+ * @param pDictionaryData dictionary contents, or NULL for none

+ * @param nDictionaryDataSize size of dictionary contents, or 0

+ * @param nFlags compression flags (LZSA_FLAG_RAW_BLOCK to decompress a raw block, or 0)

+ * @param nFormatVersion default version of format to use (1-2). This is used when decompressing a raw block, otherwise the version is extracted from the source file

+ * @param pOriginalSize pointer to returned output(decompressed) size, updated when this function is successful

+ * @param pCompressedSize pointer to returned input(compressed) size, updated when this function is successful

+ *

+ * @return LZSA_OK for success, or an error value from lzsa_status_t

+ */

+lzsa_status_t lzsa_decompress_stream(lzsa_stream_t *pInStream, lzsa_stream_t *pOutStream, const void *pDictionaryData, int nDictionaryDataSize, const unsigned int nFlags, int nFormatVersion,

+      long long *pOriginalSize, long long *pCompressedSize) {

+   long long nOriginalSize = 0LL, nCompressedSize = 0LL;

+   unsigned char cFrameData[16];

+   unsigned char *pInBlock;

+   unsigned char *pOutData;

+

+   if ((nFlags & LZSA_FLAG_RAW_BLOCK) == 0) {

+      const int nHeaderSize = lzsa_get_header_size();

+

+      memset(cFrameData, 0, 16);

+      if (pInStream->read(pInStream, cFrameData, nHeaderSize) != nHeaderSize) {

+         return LZSA_ERROR_SRC;

+      }

+

+      if (lzsa_decode_header(cFrameData, nHeaderSize, &nFormatVersion) < 0) {

+         return LZSA_ERROR_FORMAT;

+      }

+

+      nCompressedSize += (long long)nHeaderSize;

+   }

+

+   pInBlock = (unsigned char*)malloc(BLOCK_SIZE);

+   if (!pInBlock) {

+      return LZSA_ERROR_MEMORY;

+   }

+

+   pOutData = (unsigned char*)malloc(BLOCK_SIZE * 2);

+   if (!pOutData) {

+      free(pInBlock);

+      pInBlock = NULL;

+

+      return LZSA_ERROR_MEMORY;

+   }

+

+   int nDecompressionError = 0;

+   int nPrevDecompressedSize = 0;

+   int nNumBlocks = 0;

+

+   while (!pInStream->eof(pInStream) && !nDecompressionError) {

+      unsigned int nBlockSize = 0;

+      int nIsUncompressed = 0;

+

+      if (nPrevDecompressedSize != 0) {

+         memcpy(pOutData + BLOCK_SIZE - nPrevDecompressedSize, pOutData + BLOCK_SIZE, nPrevDecompressedSize);

+      }

+      else if (nDictionaryDataSize && pDictionaryData) {

+         nPrevDecompressedSize = nDictionaryDataSize;

+         memcpy(pOutData + BLOCK_SIZE - nPrevDecompressedSize, pDictionaryData, nPrevDecompressedSize);

+      }

+

+      if ((nFlags & LZSA_FLAG_RAW_BLOCK) == 0) {

+         const int nFrameSize = lzsa_get_frame_size();

+

+         memset(cFrameData, 0, 16);

+         if (pInStream->read(pInStream, cFrameData, nFrameSize) == nFrameSize) {

+            if (lzsa_decode_frame(cFrameData, nFrameSize, &nBlockSize, &nIsUncompressed) < 0) {

+               nDecompressionError = LZSA_ERROR_FORMAT;

+               nBlockSize = 0;

+            }

+

+            nCompressedSize += (long long)nFrameSize;

+         }

+         else {

+            nDecompressionError = LZSA_ERROR_SRC;

+            nBlockSize = 0;

+         }

+      }

+      else {

+         if (!nNumBlocks)

+            nBlockSize = BLOCK_SIZE;

+         else

+            nBlockSize = 0;

+      }

+

+      if (nBlockSize != 0) {

+         int nDecompressedSize = 0;

+

+         if ((int)nBlockSize > BLOCK_SIZE) {

+            nDecompressionError = LZSA_ERROR_FORMAT;

+            break;

+         }

+         size_t nReadBytes = pInStream->read(pInStream, pInBlock, nBlockSize);

+         if (nFlags & LZSA_FLAG_RAW_BLOCK) {

+            nBlockSize = (unsigned int)nReadBytes;

+         }

+

+         if (nReadBytes == nBlockSize) {

+            nCompressedSize += (long long)nReadBytes;

+

+            if (nIsUncompressed) {

+               memcpy(pOutData + BLOCK_SIZE, pInBlock, nBlockSize);

+               nDecompressedSize = nBlockSize;

+            }

+            else {

+               nDecompressedSize = lzsa_decompressor_expand_block(pInBlock, nBlockSize, pOutData, BLOCK_SIZE, BLOCK_SIZE, nFormatVersion, nFlags);

+               if (nDecompressedSize < 0) {

+                  nDecompressionError = LZSA_ERROR_DECOMPRESSION;

+                  break;

+               }

+            }

+

+            if (nDecompressedSize != 0) {

+               nOriginalSize += (long long)nDecompressedSize;

+

+               if (pOutStream->write(pOutStream, pOutData + BLOCK_SIZE, nDecompressedSize) != nDecompressedSize)

+                  nDecompressionError = LZSA_ERROR_DST;

+               nPrevDecompressedSize = nDecompressedSize;

+               nDecompressedSize = 0;

+            }

+         }

+         else {

+            break;

+         }

+

+         nNumBlocks++;

+      }

+      else {

+         break;

+      }

+   }

+

+   free(pOutData);

+   pOutData = NULL;

+

+   free(pInBlock);

+   pInBlock = NULL;

+

+   *pOriginalSize = nOriginalSize;

+   *pCompressedSize = nCompressedSize;

+   return nDecompressionError;

+}

+