fix(tianmu): fix stonedb has two LZ4 versions (#471) (#473)

(1). delete lz4-1.9.3;
(2). add lz4-1.9.4;
(3). delete tianmu’s lz4 files lz4.cpp，lz4.h;

cmake/lz4.cmake

@@ -34,7 +34,7 @@ MACRO (FIND_SYSTEM_LZ4)
   ENDIF()
 ENDMACRO()
 
-SET(LZ4_VERSION "lz4-1.9.3")
+SET(LZ4_VERSION "lz4-1.9.4")
 SET(BUNDLED_LZ4_PATH "${CMAKE_SOURCE_DIR}/extra/lz4/${LZ4_VERSION}")
 
 MACRO (MYSQL_USE_BUNDLED_LZ4)

extra/lz4/lz4-1.9.3/LICENSE → extra/lz4/lz4-1.9.4/LICENSE

 LZ4 Library
-Copyright (c) 2011-2016, Yann Collet
+Copyright (c) 2011-2020, Yann Collet
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,

extra/lz4/lz4-1.9.3/lz4.h → extra/lz4/lz4-1.9.4/lz4.h

 /*
  *  LZ4 - Fast LZ compression algorithm
  *  Header File
- *  Copyright (C) 2011-present, Yann Collet.
+ *  Copyright (C) 2011-2020, Yann Collet.
 
    BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
 
@@ -97,36 +97,77 @@ extern "C" {
 #  define LZ4LIB_API LZ4LIB_VISIBILITY
 #endif
 
+/*! LZ4_FREESTANDING :
+ *  When this macro is set to 1, it enables "freestanding mode" that is
+ *  suitable for typical freestanding environment which doesn't support
+ *  standard C library.
+ *
+ *  - LZ4_FREESTANDING is a compile-time switch.
+ *  - It requires the following macros to be defined:
+ *    LZ4_memcpy, LZ4_memmove, LZ4_memset.
+ *  - It only enables LZ4/HC functions which don't use heap.
+ *    All LZ4F_* functions are not supported.
+ *  - See tests/freestanding.c to check its basic setup.
+ */
+#if defined(LZ4_FREESTANDING) && (LZ4_FREESTANDING == 1)
+#  define LZ4_HEAPMODE 0
+#  define LZ4HC_HEAPMODE 0
+#  define LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION 1
+#  if !defined(LZ4_memcpy)
+#    error "LZ4_FREESTANDING requires macro 'LZ4_memcpy'."
+#  endif
+#  if !defined(LZ4_memset)
+#    error "LZ4_FREESTANDING requires macro 'LZ4_memset'."
+#  endif
+#  if !defined(LZ4_memmove)
+#    error "LZ4_FREESTANDING requires macro 'LZ4_memmove'."
+#  endif
+#elif ! defined(LZ4_FREESTANDING)
+#  define LZ4_FREESTANDING 0
+#endif
+
+
 /*------   Version   ------*/
 #define LZ4_VERSION_MAJOR    1    /* for breaking interface changes  */
 #define LZ4_VERSION_MINOR    9    /* for new (non-breaking) interface capabilities */
-#define LZ4_VERSION_RELEASE  3    /* for tweaks, bug-fixes, or development */
+#define LZ4_VERSION_RELEASE  4    /* for tweaks, bug-fixes, or development */
 
 #define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)
 
 #define LZ4_LIB_VERSION LZ4_VERSION_MAJOR.LZ4_VERSION_MINOR.LZ4_VERSION_RELEASE
 #define LZ4_QUOTE(str) #str
 #define LZ4_EXPAND_AND_QUOTE(str) LZ4_QUOTE(str)
-#define LZ4_VERSION_STRING LZ4_EXPAND_AND_QUOTE(LZ4_LIB_VERSION)
+#define LZ4_VERSION_STRING LZ4_EXPAND_AND_QUOTE(LZ4_LIB_VERSION)  /* requires v1.7.3+ */
 
-LZ4LIB_API int LZ4_versionNumber (void);  /**< library version number; useful to check dll version */
-LZ4LIB_API const char* LZ4_versionString (void);   /**< library version string; useful to check dll version */
+LZ4LIB_API int LZ4_versionNumber (void);  /**< library version number; useful to check dll version; requires v1.3.0+ */
+LZ4LIB_API const char* LZ4_versionString (void);   /**< library version string; useful to check dll version; requires v1.7.5+ */
 
 
 /*-************************************
 *  Tuning parameter
 **************************************/
+#define LZ4_MEMORY_USAGE_MIN 10
+#define LZ4_MEMORY_USAGE_DEFAULT 14
+#define LZ4_MEMORY_USAGE_MAX 20
+
 /*!
  * LZ4_MEMORY_USAGE :
- * Memory usage formula : N->2^N Bytes (examples : 10 -> 1KB; 12 -> 4KB ; 16 -> 64KB; 20 -> 1MB; etc.)
- * Increasing memory usage improves compression ratio.
- * Reduced memory usage may improve speed, thanks to better cache locality.
+ * Memory usage formula : N->2^N Bytes (examples : 10 -> 1KB; 12 -> 4KB ; 16 -> 64KB; 20 -> 1MB; )
+ * Increasing memory usage improves compression ratio, at the cost of speed.
+ * Reduced memory usage may improve speed at the cost of ratio, thanks to better cache locality.
  * Default value is 14, for 16KB, which nicely fits into Intel x86 L1 cache
  */
 #ifndef LZ4_MEMORY_USAGE
-# define LZ4_MEMORY_USAGE 14
+# define LZ4_MEMORY_USAGE LZ4_MEMORY_USAGE_DEFAULT
 #endif
 
+#if (LZ4_MEMORY_USAGE < LZ4_MEMORY_USAGE_MIN)
+#  error "LZ4_MEMORY_USAGE is too small !"
+#endif
+
+#if (LZ4_MEMORY_USAGE > LZ4_MEMORY_USAGE_MAX)
+#  error "LZ4_MEMORY_USAGE is too large !"
+#endif
 
 /*-************************************
 *  Simple Functions
@@ -270,8 +311,25 @@ LZ4LIB_API int LZ4_decompress_safe_partial (const char* src, char* dst, int srcS
 ***********************************************/
 typedef union LZ4_stream_u LZ4_stream_t;  /* incomplete type (defined later) */
 
+/**
+ Note about RC_INVOKED
+
+ - RC_INVOKED is predefined symbol of rc.exe (the resource compiler which is part of MSVC/Visual Studio).
+   https://docs.microsoft.com/en-us/windows/win32/menurc/predefined-macros
+
+ - Since rc.exe is a legacy compiler, it truncates long symbol (> 30 chars)
+   and reports warning "RC4011: identifier truncated".
+
+ - To eliminate the warning, we surround long preprocessor symbol with
+   "#if !defined(RC_INVOKED) ... #endif" block that means
+   "skip this block when rc.exe is trying to read it".
+*/
+#if !defined(RC_INVOKED) /* https://docs.microsoft.com/en-us/windows/win32/menurc/predefined-macros */
+#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION)
 LZ4LIB_API LZ4_stream_t* LZ4_createStream(void);
 LZ4LIB_API int           LZ4_freeStream (LZ4_stream_t* streamPtr);
+#endif /* !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) */
+#endif
 
 /*! LZ4_resetStream_fast() : v1.9.0+
  *  Use this to prepare an LZ4_stream_t for a new chain of dependent blocks
@@ -355,8 +413,12 @@ typedef union LZ4_streamDecode_u LZ4_streamDecode_t;   /* tracking context */
  *  creation / destruction of streaming decompression tracking context.
  *  A tracking context can be re-used multiple times.
  */
+#if !defined(RC_INVOKED) /* https://docs.microsoft.com/en-us/windows/win32/menurc/predefined-macros */
+#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION)
 LZ4LIB_API LZ4_streamDecode_t* LZ4_createStreamDecode(void);
 LZ4LIB_API int                 LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream);
+#endif /* !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION) */
+#endif
 
 /*! LZ4_setStreamDecode() :
  *  An LZ4_streamDecode_t context can be allocated once and re-used multiple times.
@@ -406,7 +468,10 @@ LZ4LIB_API int LZ4_decoderRingBufferSize(int maxBlockSize);
  *  save the last 64KB of decoded data into a safe buffer where it can't be modified during decompression,
  *  then indicate where this data is saved using LZ4_setStreamDecode(), before decompressing next block.
 */
-LZ4LIB_API int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* src, char* dst, int srcSize, int dstCapacity);
+LZ4LIB_API int
+LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode,
+                        const char* src, char* dst,
+                        int srcSize, int dstCapacity);
 
 
 /*! LZ4_decompress_*_usingDict() :
@@ -417,7 +482,16 @@ LZ4LIB_API int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecod
  *  Performance tip : Decompression speed can be substantially increased
  *                    when dst == dictStart + dictSize.
  */
-LZ4LIB_API int LZ4_decompress_safe_usingDict (const char* src, char* dst, int srcSize, int dstCapcity, const char* dictStart, int dictSize);
+LZ4LIB_API int
+LZ4_decompress_safe_usingDict(const char* src, char* dst,
+                              int srcSize, int dstCapacity,
+                              const char* dictStart, int dictSize);
+
+LZ4LIB_API int
+LZ4_decompress_safe_partial_usingDict(const char* src, char* dst,
+                                      int compressedSize,
+                                      int targetOutputSize, int maxOutputSize,
+                                      const char* dictStart, int dictSize);
 
 #endif /* LZ4_H_2983827168210 */
 
@@ -496,13 +570,15 @@ LZ4LIB_STATIC_API int LZ4_compress_fast_extState_fastReset (void* state, const c
  *  stream (and source buffer) must remain in-place / accessible / unchanged
  *  through the completion of the first compression call on the stream.
  */
-LZ4LIB_STATIC_API void LZ4_attach_dictionary(LZ4_stream_t* workingStream, const LZ4_stream_t* dictionaryStream);
+LZ4LIB_STATIC_API void
+LZ4_attach_dictionary(LZ4_stream_t* workingStream,
+                const LZ4_stream_t* dictionaryStream);
 
 
 /*! In-place compression and decompression
  *
  * It's possible to have input and output sharing the same buffer,
- * for highly contrained memory environments.
+ * for highly constrained memory environments.
  * In both cases, it requires input to lay at the end of the buffer,
  * and decompression to start at beginning of the buffer.
  * Buffer size must feature some margin, hence be larger than final size.
@@ -592,38 +668,26 @@ LZ4LIB_STATIC_API void LZ4_attach_dictionary(LZ4_stream_t* workingStream, const
   typedef unsigned int   LZ4_u32;
 #endif
 
+/*! LZ4_stream_t :
+ *  Never ever use below internal definitions directly !
+ *  These definitions are not API/ABI safe, and may change in future versions.
+ *  If you need static allocation, declare or allocate an LZ4_stream_t object.
+**/
+
 typedef struct LZ4_stream_t_internal LZ4_stream_t_internal;
 struct LZ4_stream_t_internal {
     LZ4_u32 hashTable[LZ4_HASH_SIZE_U32];
-    LZ4_u32 currentOffset;
-    LZ4_u32 tableType;
     const LZ4_byte* dictionary;
     const LZ4_stream_t_internal* dictCtx;
+    LZ4_u32 currentOffset;
+    LZ4_u32 tableType;
     LZ4_u32 dictSize;
+    /* Implicit padding to ensure structure is aligned */
 };
 
-typedef struct {
-    const LZ4_byte* externalDict;
-    size_t extDictSize;
-    const LZ4_byte* prefixEnd;
-    size_t prefixSize;
-} LZ4_streamDecode_t_internal;
-
-
-/*! LZ4_stream_t :
- *  Do not use below internal definitions directly !
- *  Declare or allocate an LZ4_stream_t instead.
- *  LZ4_stream_t can also be created using LZ4_createStream(), which is recommended.
- *  The structure definition can be convenient for static allocation
- *  (on stack, or as part of larger structure).
- *  Init this structure with LZ4_initStream() before first use.
- *  note : only use this definition in association with static linking !
- *  this definition is not API/ABI safe, and may change in future versions.
- */
-#define LZ4_STREAMSIZE       16416  /* static size, for inter-version compatibility */
-#define LZ4_STREAMSIZE_VOIDP (LZ4_STREAMSIZE / sizeof(void*))
+#define LZ4_STREAM_MINSIZE  ((1UL << LZ4_MEMORY_USAGE) + 32)  /* static size, for inter-version compatibility */
 union LZ4_stream_u {
-    void* table[LZ4_STREAMSIZE_VOIDP];
+    char minStateSize[LZ4_STREAM_MINSIZE];
     LZ4_stream_t_internal internal_donotuse;
 }; /* previously typedef'd to LZ4_stream_t */
 
@@ -641,21 +705,25 @@ union LZ4_stream_u {
  *         In which case, the function will @return NULL.
  *  Note2: An LZ4_stream_t structure guarantees correct alignment and size.
  *  Note3: Before v1.9.0, use LZ4_resetStream() instead
- */
+**/
 LZ4LIB_API LZ4_stream_t* LZ4_initStream (void* buffer, size_t size);
 
 
 /*! LZ4_streamDecode_t :
- *  information structure to track an LZ4 stream during decompression.
- *  init this structure  using LZ4_setStreamDecode() before first use.
- *  note : only use in association with static linking !
- *         this definition is not API/ABI safe,
- *         and may change in a future version !
- */
-#define LZ4_STREAMDECODESIZE_U64 (4 + ((sizeof(void*)==16) ? 2 : 0) /*AS-400*/ )
-#define LZ4_STREAMDECODESIZE     (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))
+ *  Never ever use below internal definitions directly !
+ *  These definitions are not API/ABI safe, and may change in future versions.
+ *  If you need static allocation, declare or allocate an LZ4_streamDecode_t object.
+**/
+typedef struct {
+    const LZ4_byte* externalDict;
+    const LZ4_byte* prefixEnd;
+    size_t extDictSize;
+    size_t prefixSize;
+} LZ4_streamDecode_t_internal;
+
+#define LZ4_STREAMDECODE_MINSIZE 32
 union LZ4_streamDecode_u {
-    unsigned long long table[LZ4_STREAMDECODESIZE_U64];
+    char minStateSize[LZ4_STREAMDECODE_MINSIZE];
     LZ4_streamDecode_t_internal internal_donotuse;
 } ;   /* previously typedef'd to LZ4_streamDecode_t */
 

extra/lz4/lz4-1.9.4/lz4file.c

+/*
+ * LZ4 file library
+ * Copyright (C) 2022, Xiaomi Inc.
+ *
+ * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following disclaimer
+ *   in the documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * You can contact the author at :
+ * - LZ4 homepage : http://www.lz4.org
+ * - LZ4 source repository : https://github.com/lz4/lz4
+ */
+#include <stdlib.h>
+#include <string.h>
+#include "lz4.h"
+#include "lz4file.h"
+
+struct LZ4_readFile_s {
+  LZ4F_dctx* dctxPtr;
+  FILE* fp;
+  LZ4_byte* srcBuf;
+  size_t srcBufNext;
+  size_t srcBufSize;
+  size_t srcBufMaxSize;
+};
+
+struct LZ4_writeFile_s {
+  LZ4F_cctx* cctxPtr;
+  FILE* fp;
+  LZ4_byte* dstBuf;
+  size_t maxWriteSize;
+  size_t dstBufMaxSize;
+  LZ4F_errorCode_t errCode;
+};
+
+LZ4F_errorCode_t LZ4F_readOpen(LZ4_readFile_t** lz4fRead, FILE* fp)
+{
+  char buf[LZ4F_HEADER_SIZE_MAX];
+  size_t consumedSize;
+  LZ4F_errorCode_t ret;
+  LZ4F_frameInfo_t info;
+
+  if (fp == NULL || lz4fRead == NULL) {
+    return -LZ4F_ERROR_GENERIC;
+  }
+
+  *lz4fRead = (LZ4_readFile_t*)calloc(1, sizeof(LZ4_readFile_t));
+  if (*lz4fRead == NULL) {
+    return -LZ4F_ERROR_allocation_failed;
+  }
+
+  ret = LZ4F_createDecompressionContext(&(*lz4fRead)->dctxPtr, LZ4F_getVersion());
+  if (LZ4F_isError(ret)) {
+    free(*lz4fRead);
+    return ret;
+  }
+
+  (*lz4fRead)->fp = fp;
+  consumedSize = fread(buf, 1, sizeof(buf), (*lz4fRead)->fp);
+  if (consumedSize != sizeof(buf)) {
+    free(*lz4fRead);
+    return -LZ4F_ERROR_GENERIC;
+  }
+
+  ret = LZ4F_getFrameInfo((*lz4fRead)->dctxPtr, &info, buf, &consumedSize);
+  if (LZ4F_isError(ret)) {
+      LZ4F_freeDecompressionContext((*lz4fRead)->dctxPtr);
+      free(*lz4fRead);
+      return ret;
+    }
+
+  switch (info.blockSizeID) {
+    case LZ4F_default :
+    case LZ4F_max64KB :
+      (*lz4fRead)->srcBufMaxSize = 64 * 1024;
+      break;
+    case LZ4F_max256KB:
+      (*lz4fRead)->srcBufMaxSize = 256 * 1024;
+      break;
+    case LZ4F_max1MB:
+      (*lz4fRead)->srcBufMaxSize = 1 * 1024 * 1024;
+      break;
+    case LZ4F_max4MB:
+      (*lz4fRead)->srcBufMaxSize = 4 * 1024 * 1024;
+      break;
+    default:
+      LZ4F_freeDecompressionContext((*lz4fRead)->dctxPtr);
+      free(*lz4fRead);
+      return -LZ4F_ERROR_maxBlockSize_invalid;
+  }
+
+  (*lz4fRead)->srcBuf = (LZ4_byte*)malloc((*lz4fRead)->srcBufMaxSize);
+  if ((*lz4fRead)->srcBuf == NULL) {
+    LZ4F_freeDecompressionContext((*lz4fRead)->dctxPtr);
+    free(lz4fRead);
+    return -LZ4F_ERROR_allocation_failed;
+  }
+
+  (*lz4fRead)->srcBufSize = sizeof(buf) - consumedSize;
+  memcpy((*lz4fRead)->srcBuf, buf + consumedSize, (*lz4fRead)->srcBufSize);
+
+  return ret;
+}
+
+size_t LZ4F_read(LZ4_readFile_t* lz4fRead, void* buf, size_t size)
+{
+  LZ4_byte* p = (LZ4_byte*)buf;
+  size_t next = 0;
+
+  if (lz4fRead == NULL || buf == NULL)
+    return -LZ4F_ERROR_GENERIC;
+
+  while (next < size) {
+    size_t srcsize = lz4fRead->srcBufSize - lz4fRead->srcBufNext;
+    size_t dstsize = size - next;
+    size_t ret;
+
+    if (srcsize == 0) {
+      ret = fread(lz4fRead->srcBuf, 1, lz4fRead->srcBufMaxSize, lz4fRead->fp);
+      if (ret > 0) {
+        lz4fRead->srcBufSize = ret;
+        srcsize = lz4fRead->srcBufSize;
+        lz4fRead->srcBufNext = 0;
+      }
+      else if (ret == 0) {
+        break;
+      }
+      else {
+        return -LZ4F_ERROR_GENERIC;
+      }
+    }
+
+    ret = LZ4F_decompress(lz4fRead->dctxPtr,
+                          p, &dstsize,
+                          lz4fRead->srcBuf + lz4fRead->srcBufNext,
+                          &srcsize,
+                          NULL);
+    if (LZ4F_isError(ret)) {
+        return ret;
+    }
+
+    lz4fRead->srcBufNext += srcsize;
+    next += dstsize;
+    p += dstsize;
+  }
+
+  return next;
+}
+
+LZ4F_errorCode_t LZ4F_readClose(LZ4_readFile_t* lz4fRead)
+{
+  if (lz4fRead == NULL)
+    return -LZ4F_ERROR_GENERIC;
+  LZ4F_freeDecompressionContext(lz4fRead->dctxPtr);
+  free(lz4fRead->srcBuf);
+  free(lz4fRead);
+  return LZ4F_OK_NoError;
+}
+
+LZ4F_errorCode_t LZ4F_writeOpen(LZ4_writeFile_t** lz4fWrite, FILE* fp, const LZ4F_preferences_t* prefsPtr)
+{
+  LZ4_byte buf[LZ4F_HEADER_SIZE_MAX];
+  size_t ret;
+
+  if (fp == NULL || lz4fWrite == NULL)
+    return -LZ4F_ERROR_GENERIC;
+
+  *lz4fWrite = (LZ4_writeFile_t*)malloc(sizeof(LZ4_writeFile_t));
+  if (*lz4fWrite == NULL) {
+    return -LZ4F_ERROR_allocation_failed;
+  }
+  if (prefsPtr != NULL) {
+    switch (prefsPtr->frameInfo.blockSizeID) {
+      case LZ4F_default :
+      case LZ4F_max64KB :
+        (*lz4fWrite)->maxWriteSize = 64 * 1024;
+        break;
+      case LZ4F_max256KB:
+        (*lz4fWrite)->maxWriteSize = 256 * 1024;
+        break;
+      case LZ4F_max1MB:
+        (*lz4fWrite)->maxWriteSize = 1 * 1024 * 1024;
+        break;
+      case LZ4F_max4MB:
+        (*lz4fWrite)->maxWriteSize = 4 * 1024 * 1024;
+        break;
+      default:
+        free(lz4fWrite);
+        return -LZ4F_ERROR_maxBlockSize_invalid;
+      }
+    } else {
+      (*lz4fWrite)->maxWriteSize = 64 * 1024;
+    }
+
+  (*lz4fWrite)->dstBufMaxSize = LZ4F_compressBound((*lz4fWrite)->maxWriteSize, prefsPtr);
+  (*lz4fWrite)->dstBuf = (LZ4_byte*)malloc((*lz4fWrite)->dstBufMaxSize);
+  if ((*lz4fWrite)->dstBuf == NULL) {
+    free(*lz4fWrite);
+    return -LZ4F_ERROR_allocation_failed;
+  }
+
+  ret = LZ4F_createCompressionContext(&(*lz4fWrite)->cctxPtr, LZ4F_getVersion());
+  if (LZ4F_isError(ret)) {
+      free((*lz4fWrite)->dstBuf);
+      free(*lz4fWrite);
+      return ret;
+  }
+
+  ret = LZ4F_compressBegin((*lz4fWrite)->cctxPtr, buf, LZ4F_HEADER_SIZE_MAX, prefsPtr);
+  if (LZ4F_isError(ret)) {
+      LZ4F_freeCompressionContext((*lz4fWrite)->cctxPtr);
+      free((*lz4fWrite)->dstBuf);
+      free(*lz4fWrite);
+      return ret;
+  }
+
+  if (ret != fwrite(buf, 1, ret, fp)) {
+    LZ4F_freeCompressionContext((*lz4fWrite)->cctxPtr);
+    free((*lz4fWrite)->dstBuf);
+    free(*lz4fWrite);
+    return -LZ4F_ERROR_GENERIC;
+  }
+
+  (*lz4fWrite)->fp = fp;
+  (*lz4fWrite)->errCode = LZ4F_OK_NoError;
+  return LZ4F_OK_NoError;
+}
+
+size_t LZ4F_write(LZ4_writeFile_t* lz4fWrite, void* buf, size_t size)
+{
+  LZ4_byte* p = (LZ4_byte*)buf;
+  size_t remain = size;
+  size_t chunk;
+  size_t ret;
+
+  if (lz4fWrite == NULL || buf == NULL)
+    return -LZ4F_ERROR_GENERIC;
+  while (remain) {
+    if (remain > lz4fWrite->maxWriteSize)
+      chunk = lz4fWrite->maxWriteSize;
+    else
+      chunk = remain;
+
+    ret = LZ4F_compressUpdate(lz4fWrite->cctxPtr,
+                              lz4fWrite->dstBuf, lz4fWrite->dstBufMaxSize,
+                              p, chunk,
+                              NULL);
+    if (LZ4F_isError(ret)) {
+      lz4fWrite->errCode = ret;
+      return ret;
+    }
+
+    if(ret != fwrite(lz4fWrite->dstBuf, 1, ret, lz4fWrite->fp)) {
+      lz4fWrite->errCode = -LZ4F_ERROR_GENERIC;
+      return -LZ4F_ERROR_GENERIC;
+    }
+
+    p += chunk;
+    remain -= chunk;
+  }
+
+  return size;
+}
+
+LZ4F_errorCode_t LZ4F_writeClose(LZ4_writeFile_t* lz4fWrite)
+{
+  LZ4F_errorCode_t ret = LZ4F_OK_NoError;
+
+  if (lz4fWrite == NULL)
+    return -LZ4F_ERROR_GENERIC;
+
+  if (lz4fWrite->errCode == LZ4F_OK_NoError) {
+    ret =  LZ4F_compressEnd(lz4fWrite->cctxPtr,
+                            lz4fWrite->dstBuf, lz4fWrite->dstBufMaxSize,
+                            NULL);
+    if (LZ4F_isError(ret)) {
+      goto out;
+    }
+
+    if (ret != fwrite(lz4fWrite->dstBuf, 1, ret, lz4fWrite->fp)) {
+      ret = -LZ4F_ERROR_GENERIC;
+    }
+  }
+
+out:
+  LZ4F_freeCompressionContext(lz4fWrite->cctxPtr);
+  free(lz4fWrite->dstBuf);
+  free(lz4fWrite);
+  return ret;
+}

extra/lz4/lz4-1.9.4/lz4file.h

+/*
+   LZ4 file library
+   Header File
+   Copyright (C) 2022, Xiaomi Inc.
+   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions are
+   met:
+
+       * Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+       * Redistributions in binary form must reproduce the above
+   copyright notice, this list of conditions and the following disclaimer
+   in the documentation and/or other materials provided with the
+   distribution.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+   You can contact the author at :
+   - LZ4 source repository : https://github.com/lz4/lz4
+   - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
+*/
+#if defined (__cplusplus)
+extern "C" {
+#endif
+
+#ifndef LZ4FILE_H
+#define LZ4FILE_H
+
+#include <stdio.h>
+#include "lz4frame_static.h"
+
+typedef struct LZ4_readFile_s LZ4_readFile_t;
+typedef struct LZ4_writeFile_s LZ4_writeFile_t;
+
+/*! LZ4F_readOpen() :
+ * Set read lz4file handle.
+ * `lz4f` will set a lz4file handle.
+ * `fp` must be the return value of the lz4 file opened by fopen.
+ */
+LZ4FLIB_STATIC_API LZ4F_errorCode_t LZ4F_readOpen(LZ4_readFile_t** lz4fRead, FILE* fp);
+
+/*! LZ4F_read() :
+ * Read lz4file content to buffer.
+ * `lz4f` must use LZ4_readOpen to set first.
+ * `buf` read data buffer.
+ * `size` read data buffer size.
+ */
+LZ4FLIB_STATIC_API size_t LZ4F_read(LZ4_readFile_t* lz4fRead, void* buf, size_t size);
+
+/*! LZ4F_readClose() :
+ * Close lz4file handle.
+ * `lz4f` must use LZ4_readOpen to set first.
+ */
+LZ4FLIB_STATIC_API LZ4F_errorCode_t LZ4F_readClose(LZ4_readFile_t* lz4fRead);
+
+/*! LZ4F_writeOpen() :
+ * Set write lz4file handle.
+ * `lz4f` will set a lz4file handle.
+ * `fp` must be the return value of the lz4 file opened by fopen.
+ */
+LZ4FLIB_STATIC_API LZ4F_errorCode_t LZ4F_writeOpen(LZ4_writeFile_t** lz4fWrite, FILE* fp, const LZ4F_preferences_t* prefsPtr);
+
+/*! LZ4F_write() :
+ * Write buffer to lz4file.
+ * `lz4f` must use LZ4F_writeOpen to set first.
+ * `buf` write data buffer.
+ * `size` write data buffer size.
+ */
+LZ4FLIB_STATIC_API size_t LZ4F_write(LZ4_writeFile_t* lz4fWrite, void* buf, size_t size);
+
+/*! LZ4F_writeClose() :
+ * Close lz4file handle.
+ * `lz4f` must use LZ4F_writeOpen to set first.
+ */
+LZ4FLIB_STATIC_API LZ4F_errorCode_t LZ4F_writeClose(LZ4_writeFile_t* lz4fWrite);
+
+#endif /* LZ4FILE_H */
+
+#if defined (__cplusplus)
+}
+#endif

extra/lz4/lz4-1.9.3/lz4frame.h → extra/lz4/lz4-1.9.4/lz4frame.h

 /*
-   LZ4 auto-framing library
+   LZ4F - LZ4-Frame library
    Header File
-   Copyright (C) 2011-2017, Yann Collet.
+   Copyright (C) 2011-2020, Yann Collet.
    BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
 
    Redistribution and use in source and binary forms, with or without
@@ -39,7 +39,7 @@
  * LZ4F also offers streaming capabilities.
  *
  * lz4.h is not required when using lz4frame.h,
- * except to extract common constant such as LZ4_VERSION_NUMBER.
+ * except to extract common constants such as LZ4_VERSION_NUMBER.
  * */
 
 #ifndef LZ4F_H_09782039843
@@ -54,12 +54,12 @@ extern "C" {
 
 
 /**
-  Introduction
-
-  lz4frame.h implements LZ4 frame specification (doc/lz4_Frame_format.md).
-  lz4frame.h provides frame compression functions that take care
-  of encoding standard metadata alongside LZ4-compressed blocks.
-*/
+ * Introduction
+ *
+ * lz4frame.h implements LZ4 frame specification: see doc/lz4_Frame_format.md .
+ * LZ4 Frames are compatible with `lz4` CLI,
+ * and designed to be interoperable with any system.
+**/
 
 /*-***************************************************************
  *  Compiler specifics
@@ -210,7 +210,7 @@ LZ4FLIB_API int LZ4F_compressionLevel_max(void);   /* v1.8.0+ */
  *  Returns the maximum possible compressed size with LZ4F_compressFrame() given srcSize and preferences.
  * `preferencesPtr` is optional. It can be replaced by NULL, in which case, the function will assume default preferences.
  *  Note : this result is only usable with LZ4F_compressFrame().
- *         It may also be used with LZ4F_compressUpdate() _if no flush() operation_ is performed.
+ *         It may also be relevant to LZ4F_compressUpdate() _only if_ no flush() operation is ever performed.
  */
 LZ4FLIB_API size_t LZ4F_compressFrameBound(size_t srcSize, const LZ4F_preferences_t* preferencesPtr);
 
@@ -230,7 +230,7 @@ LZ4FLIB_API size_t LZ4F_compressFrame(void* dstBuffer, size_t dstCapacity,
 *  Advanced compression functions
 *************************************/
 typedef struct LZ4F_cctx_s LZ4F_cctx;   /* incomplete type */
-typedef LZ4F_cctx* LZ4F_compressionContext_t;   /* for compatibility with previous API version */
+typedef LZ4F_cctx* LZ4F_compressionContext_t;  /* for compatibility with older APIs, prefer using LZ4F_cctx */
 
 typedef struct {
   unsigned stableSrc;    /* 1 == src content will remain present on future calls to LZ4F_compress(); skip copying src content within tmp buffer */
@@ -243,20 +243,27 @@ typedef struct {
 LZ4FLIB_API unsigned LZ4F_getVersion(void);
 
 /*! LZ4F_createCompressionContext() :
- * The first thing to do is to create a compressionContext object, which will be used in all compression operations.
- * This is achieved using LZ4F_createCompressionContext(), which takes as argument a version.
- * The version provided MUST be LZ4F_VERSION. It is intended to track potential version mismatch, notably when using DLL.
- * The function will provide a pointer to a fully allocated LZ4F_cctx object.
- * If @return != zero, there was an error during context creation.
- * Object can release its memory using LZ4F_freeCompressionContext();
- */
+ *  The first thing to do is to create a compressionContext object,
+ *  which will keep track of operation state during streaming compression.
+ *  This is achieved using LZ4F_createCompressionContext(), which takes as argument a version,
+ *  and a pointer to LZ4F_cctx*, to write the resulting pointer into.
+ *  @version provided MUST be LZ4F_VERSION. It is intended to track potential version mismatch, notably when using DLL.
+ *  The function provides a pointer to a fully allocated LZ4F_cctx object.
+ *  @cctxPtr MUST be != NULL.
+ *  If @return != zero, context creation failed.
+ *  A created compression context can be employed multiple times for consecutive streaming operations.
+ *  Once all streaming compression jobs are completed,
+ *  the state object can be released using LZ4F_freeCompressionContext().
+ *  Note1 : LZ4F_freeCompressionContext() is always successful. Its return value can be ignored.
+ *  Note2 : LZ4F_freeCompressionContext() works fine with NULL input pointers (do nothing).
+**/
 LZ4FLIB_API LZ4F_errorCode_t LZ4F_createCompressionContext(LZ4F_cctx** cctxPtr, unsigned version);
 LZ4FLIB_API LZ4F_errorCode_t LZ4F_freeCompressionContext(LZ4F_cctx* cctx);
 
 
 /*----    Compression    ----*/
 
-#define LZ4F_HEADER_SIZE_MIN  7   /* LZ4 Frame header size can vary, depending on selected paramaters */
+#define LZ4F_HEADER_SIZE_MIN  7   /* LZ4 Frame header size can vary, depending on selected parameters */
 #define LZ4F_HEADER_SIZE_MAX 19
 
 /* Size in bytes of a block header in little-endian format. Highest bit indicates if block data is uncompressed */
@@ -301,8 +308,9 @@ LZ4FLIB_API size_t LZ4F_compressBound(size_t srcSize, const LZ4F_preferences_t*
  *  Important rule: dstCapacity MUST be large enough to ensure operation success even in worst case situations.
  *  This value is provided by LZ4F_compressBound().
  *  If this condition is not respected, LZ4F_compress() will fail (result is an errorCode).
- *  LZ4F_compressUpdate() doesn't guarantee error recovery.
- *  When an error occurs, compression context must be freed or resized.
+ *  After an error, the state is left in a UB state, and must be re-initialized or freed.
+ *  If previously an uncompressed block was written, buffered data is flushed
+ *  before appending compressed data is continued.
  * `cOptPtr` is optional : NULL can be provided, in which case all options are set to default.
  * @return : number of bytes written into `dstBuffer` (it can be zero, meaning input data was just buffered).
  *           or an error code if it fails (which can be tested using LZ4F_isError())
@@ -347,8 +355,12 @@ typedef struct LZ4F_dctx_s LZ4F_dctx;   /* incomplete type */
 typedef LZ4F_dctx* LZ4F_decompressionContext_t;   /* compatibility with previous API versions */
 
 typedef struct {
-  unsigned stableDst;    /* pledges that last 64KB decompressed data will remain available unmodified. This optimization skips storage operations in tmp buffers. */
-  unsigned reserved[3];  /* must be set to zero for forward compatibility */
+  unsigned stableDst;     /* pledges that last 64KB decompressed data will remain available unmodified between invocations.
+                           * This optimization skips storage operations in tmp buffers. */
+  unsigned skipChecksums; /* disable checksum calculation and verification, even when one is present in frame, to save CPU time.
+                           * Setting this option to 1 once disables all checksums for the rest of the frame. */
+  unsigned reserved1;     /* must be set to zero for forward compatibility */
+  unsigned reserved0;     /* idem */
 } LZ4F_decompressOptions_t;
 
 
@@ -356,9 +368,10 @@ typedef struct {
 
 /*! LZ4F_createDecompressionContext() :
  *  Create an LZ4F_dctx object, to track all decompression operations.
- *  The version provided MUST be LZ4F_VERSION.
- *  The function provides a pointer to an allocated and initialized LZ4F_dctx object.
- *  The result is an errorCode, which can be tested using LZ4F_isError().
+ *  @version provided MUST be LZ4F_VERSION.
+ *  @dctxPtr MUST be valid.
+ *  The function fills @dctxPtr with the value of a pointer to an allocated and initialized LZ4F_dctx object.
+ *  The @return is an errorCode, which can be tested using LZ4F_isError().
  *  dctx memory can be released using LZ4F_freeDecompressionContext();
  *  Result of LZ4F_freeDecompressionContext() indicates current state of decompressionContext when being released.
  *  That is, it should be == 0 if decompression has been completed fully and correctly.
@@ -371,6 +384,8 @@ LZ4FLIB_API LZ4F_errorCode_t LZ4F_freeDecompressionContext(LZ4F_dctx* dctx);
 *  Streaming decompression functions
 *************************************/
 
+#define LZ4F_MAGICNUMBER 0x184D2204U
+#define LZ4F_MAGIC_SKIPPABLE_START 0x184D2A50U
 #define LZ4F_MIN_SIZE_TO_KNOW_HEADER_LENGTH 5
 
 /*! LZ4F_headerSize() : v1.9.0+
@@ -386,7 +401,7 @@ LZ4FLIB_API size_t LZ4F_headerSize(const void* src, size_t srcSize);
 
 /*! LZ4F_getFrameInfo() :
  *  This function extracts frame parameters (max blockSize, dictID, etc.).
- *  Its usage is optional: user can call LZ4F_decompress() directly.
+ *  Its usage is optional: user can also invoke LZ4F_decompress() directly.
  *
  *  Extracted information will fill an existing LZ4F_frameInfo_t structure.
  *  This can be useful for allocation and dictionary identification purposes.
@@ -427,9 +442,10 @@ LZ4FLIB_API size_t LZ4F_headerSize(const void* src, size_t srcSize);
  *  note 1 : in case of error, dctx is not modified. Decoding operation can resume from beginning safely.
  *  note 2 : frame parameters are *copied into* an already allocated LZ4F_frameInfo_t structure.
  */
-LZ4FLIB_API size_t LZ4F_getFrameInfo(LZ4F_dctx* dctx,
-                                     LZ4F_frameInfo_t* frameInfoPtr,
-                                     const void* srcBuffer, size_t* srcSizePtr);
+LZ4FLIB_API size_t
+LZ4F_getFrameInfo(LZ4F_dctx* dctx,
+                  LZ4F_frameInfo_t* frameInfoPtr,
+            const void* srcBuffer, size_t* srcSizePtr);
 
 /*! LZ4F_decompress() :
  *  Call this function repetitively to regenerate data compressed in `srcBuffer`.
@@ -462,10 +478,11 @@ LZ4FLIB_API size_t LZ4F_getFrameInfo(LZ4F_dctx* dctx,
  *
  *  After a frame is fully decoded, dctx can be used again to decompress another frame.
  */
-LZ4FLIB_API size_t LZ4F_decompress(LZ4F_dctx* dctx,
-                                   void* dstBuffer, size_t* dstSizePtr,
-                                   const void* srcBuffer, size_t* srcSizePtr,
-                                   const LZ4F_decompressOptions_t* dOptPtr);
+LZ4FLIB_API size_t
+LZ4F_decompress(LZ4F_dctx* dctx,
+                void* dstBuffer, size_t* dstSizePtr,
+          const void* srcBuffer, size_t* srcSizePtr,
+          const LZ4F_decompressOptions_t* dOptPtr);
 
 
 /*! LZ4F_resetDecompressionContext() : added in v1.8.0
@@ -529,6 +546,8 @@ extern "C" {
         ITEM(ERROR_headerChecksum_invalid) \
         ITEM(ERROR_contentChecksum_invalid) \
         ITEM(ERROR_frameDecoding_alreadyStarted) \
+        ITEM(ERROR_compressionState_uninitialized) \
+        ITEM(ERROR_parameter_null) \
         ITEM(ERROR_maxCode)
 
 #define LZ4F_GENERATE_ENUM(ENUM) LZ4F_##ENUM,
@@ -539,7 +558,31 @@ typedef enum { LZ4F_LIST_ERRORS(LZ4F_GENERATE_ENUM)
 
 LZ4FLIB_STATIC_API LZ4F_errorCodes LZ4F_getErrorCode(size_t functionResult);
 
-LZ4FLIB_STATIC_API size_t LZ4F_getBlockSize(unsigned);
+
+/*! LZ4F_getBlockSize() :
+ *  Return, in scalar format (size_t),
+ *  the maximum block size associated with blockSizeID.
+**/
+LZ4FLIB_STATIC_API size_t LZ4F_getBlockSize(LZ4F_blockSizeID_t blockSizeID);
+
+/*! LZ4F_uncompressedUpdate() :
+ *  LZ4F_uncompressedUpdate() can be called repetitively to add as much data uncompressed data as necessary.
+ *  Important rule: dstCapacity MUST be large enough to store the entire source buffer as
+ *  no compression is done for this operation
+ *  If this condition is not respected, LZ4F_uncompressedUpdate() will fail (result is an errorCode).
+ *  After an error, the state is left in a UB state, and must be re-initialized or freed.
+ *  If previously a compressed block was written, buffered data is flushed
+ *  before appending uncompressed data is continued.
+ *  This is only supported when LZ4F_blockIndependent is used
+ * `cOptPtr` is optional : NULL can be provided, in which case all options are set to default.
+ * @return : number of bytes written into `dstBuffer` (it can be zero, meaning input data was just buffered).
+ *           or an error code if it fails (which can be tested using LZ4F_isError())
+ */
+LZ4FLIB_STATIC_API size_t
+LZ4F_uncompressedUpdate(LZ4F_cctx* cctx,
+                        void* dstBuffer, size_t dstCapacity,
+                  const void* srcBuffer, size_t srcSize,
+                  const LZ4F_compressOptions_t* cOptPtr);
 
 /**********************************
  *  Bulk processing dictionary API
@@ -583,12 +626,12 @@ LZ4FLIB_STATIC_API void        LZ4F_freeCDict(LZ4F_CDict* CDict);
  *  but it's not recommended, as it's the only way to provide dictID in the frame header.
  * @return : number of bytes written into dstBuffer.
  *           or an error code if it fails (can be tested using LZ4F_isError()) */
-LZ4FLIB_STATIC_API size_t LZ4F_compressFrame_usingCDict(
-    LZ4F_cctx* cctx,
-    void* dst, size_t dstCapacity,
-    const void* src, size_t srcSize,
-    const LZ4F_CDict* cdict,
-    const LZ4F_preferences_t* preferencesPtr);
+LZ4FLIB_STATIC_API size_t
+LZ4F_compressFrame_usingCDict(LZ4F_cctx* cctx,
+                              void* dst, size_t dstCapacity,
+                        const void* src, size_t srcSize,
+                        const LZ4F_CDict* cdict,
+                        const LZ4F_preferences_t* preferencesPtr);
 
 
 /*! LZ4F_compressBegin_usingCDict() :
@@ -598,23 +641,49 @@ LZ4FLIB_STATIC_API size_t LZ4F_compressFrame_usingCDict(
  *  however, it's the only way to provide dictID in the frame header.
  * @return : number of bytes written into dstBuffer for the header,
  *           or an error code (which can be tested using LZ4F_isError()) */
-LZ4FLIB_STATIC_API size_t LZ4F_compressBegin_usingCDict(
-    LZ4F_cctx* cctx,
-    void* dstBuffer, size_t dstCapacity,
-    const LZ4F_CDict* cdict,
-    const LZ4F_preferences_t* prefsPtr);
+LZ4FLIB_STATIC_API size_t
+LZ4F_compressBegin_usingCDict(LZ4F_cctx* cctx,
+                              void* dstBuffer, size_t dstCapacity,
+                        const LZ4F_CDict* cdict,
+                        const LZ4F_preferences_t* prefsPtr);
 
 
 /*! LZ4F_decompress_usingDict() :
  *  Same as LZ4F_decompress(), using a predefined dictionary.
  *  Dictionary is used "in place", without any preprocessing.
- *  It must remain accessible throughout the entire frame decoding. */
-LZ4FLIB_STATIC_API size_t LZ4F_decompress_usingDict(
-    LZ4F_dctx* dctxPtr,
-    void* dstBuffer, size_t* dstSizePtr,
-    const void* srcBuffer, size_t* srcSizePtr,
-    const void* dict, size_t dictSize,
-    const LZ4F_decompressOptions_t* decompressOptionsPtr);
+**  It must remain accessible throughout the entire frame decoding. */
+LZ4FLIB_STATIC_API size_t
+LZ4F_decompress_usingDict(LZ4F_dctx* dctxPtr,
+                          void* dstBuffer, size_t* dstSizePtr,
+                    const void* srcBuffer, size_t* srcSizePtr,
+                    const void* dict, size_t dictSize,
+                    const LZ4F_decompressOptions_t* decompressOptionsPtr);
+
+
+/*! Custom memory allocation :
+ *  These prototypes make it possible to pass custom allocation/free functions.
+ *  LZ4F_customMem is provided at state creation time, using LZ4F_create*_advanced() listed below.
+ *  All allocation/free operations will be completed using these custom variants instead of regular <stdlib.h> ones.
+ */
+typedef void* (*LZ4F_AllocFunction) (void* opaqueState, size_t size);
+typedef void* (*LZ4F_CallocFunction) (void* opaqueState, size_t size);
+typedef void  (*LZ4F_FreeFunction) (void* opaqueState, void* address);
+typedef struct {
+    LZ4F_AllocFunction customAlloc;
+    LZ4F_CallocFunction customCalloc; /* optional; when not defined, uses customAlloc + memset */
+    LZ4F_FreeFunction customFree;
+    void* opaqueState;
+} LZ4F_CustomMem;
+static
+#ifdef __GNUC__
+__attribute__((__unused__))
+#endif
+LZ4F_CustomMem const LZ4F_defaultCMem = { NULL, NULL, NULL, NULL };  /**< this constant defers to stdlib's functions */
+
+LZ4FLIB_STATIC_API LZ4F_cctx* LZ4F_createCompressionContext_advanced(LZ4F_CustomMem customMem, unsigned version);
+LZ4FLIB_STATIC_API LZ4F_dctx* LZ4F_createDecompressionContext_advanced(LZ4F_CustomMem customMem, unsigned version);
+LZ4FLIB_STATIC_API LZ4F_CDict* LZ4F_createCDict_advanced(LZ4F_CustomMem customMem, const void* dictBuffer, size_t dictSize);
+
 
 #if defined (__cplusplus)
 }

extra/lz4/lz4-1.9.3/lz4frame_static.h → extra/lz4/lz4-1.9.4/lz4frame_static.h

 /*
    LZ4 auto-framing library
    Header File for static linking only
-   Copyright (C) 2011-2016, Yann Collet.
+   Copyright (C) 2011-2020, Yann Collet.
 
    BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
 

extra/lz4/lz4-1.9.3/lz4hc.h → extra/lz4/lz4-1.9.4/lz4hc.h

 /*
    LZ4 HC - High Compression Mode of LZ4
    Header File
-   Copyright (C) 2011-2017, Yann Collet.
+   Copyright (C) 2011-2020, Yann Collet.
    BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
 
    Redistribution and use in source and binary forms, with or without
@@ -198,14 +198,17 @@ LZ4LIB_API int LZ4_saveDictHC (LZ4_streamHC_t* streamHCPtr, char* safeBuffer, in
 #define LZ4HC_HASH_MASK (LZ4HC_HASHTABLESIZE - 1)
 
 
+/* Never ever use these definitions directly !
+ * Declare or allocate an LZ4_streamHC_t instead.
+**/
 typedef struct LZ4HC_CCtx_internal LZ4HC_CCtx_internal;
 struct LZ4HC_CCtx_internal
 {
     LZ4_u32   hashTable[LZ4HC_HASHTABLESIZE];
     LZ4_u16   chainTable[LZ4HC_MAXD];
     const LZ4_byte* end;       /* next block here to continue on current prefix */
-    const LZ4_byte* base;      /* All index relative to this position */
-    const LZ4_byte* dictBase;  /* alternate base for extDict */
+    const LZ4_byte* prefixStart;  /* Indexes relative to this position */
+    const LZ4_byte* dictStart; /* alternate reference for extDict */
     LZ4_u32   dictLimit;       /* below that point, need extDict */
     LZ4_u32   lowLimit;        /* below that point, no more dict */
     LZ4_u32   nextToUpdate;    /* index from which to continue dictionary update */
@@ -216,20 +219,15 @@ struct LZ4HC_CCtx_internal
     const LZ4HC_CCtx_internal* dictCtx;
 };
 
-
-/* Do not use these definitions directly !
- * Declare or allocate an LZ4_streamHC_t instead.
- */
-#define LZ4_STREAMHCSIZE       262200  /* static size, for inter-version compatibility */
-#define LZ4_STREAMHCSIZE_VOIDP (LZ4_STREAMHCSIZE / sizeof(void*))
+#define LZ4_STREAMHC_MINSIZE  262200  /* static size, for inter-version compatibility */
 union LZ4_streamHC_u {
-    void* table[LZ4_STREAMHCSIZE_VOIDP];
+    char minStateSize[LZ4_STREAMHC_MINSIZE];
     LZ4HC_CCtx_internal internal_donotuse;
 }; /* previously typedef'd to LZ4_streamHC_t */
 
 /* LZ4_streamHC_t :
  * This structure allows static allocation of LZ4 HC streaming state.
- * This can be used to allocate statically, on state, or as part of a larger structure.
+ * This can be used to allocate statically on stack, or as part of a larger structure.
  *
  * Such state **must** be initialized using LZ4_initStreamHC() before first use.
  *
@@ -244,7 +242,7 @@ union LZ4_streamHC_u {
  * Required before first use of a statically allocated LZ4_streamHC_t.
  * Before v1.9.0 : use LZ4_resetStreamHC() instead
  */
-LZ4LIB_API LZ4_streamHC_t* LZ4_initStreamHC (void* buffer, size_t size);
+LZ4LIB_API LZ4_streamHC_t* LZ4_initStreamHC(void* buffer, size_t size);
 
 
 /*-************************************
@@ -272,9 +270,11 @@ LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_comp
  * LZ4_slideInputBufferHC() will truncate the history of the stream, rather
  * than preserve a window-sized chunk of history.
  */
+#if !defined(LZ4_STATIC_LINKING_ONLY_DISABLE_MEMORY_ALLOCATION)
 LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API void* LZ4_createHC (const char* inputBuffer);
-LZ4_DEPRECATED("use LZ4_saveDictHC() instead") LZ4LIB_API     char* LZ4_slideInputBufferHC (void* LZ4HC_Data);
 LZ4_DEPRECATED("use LZ4_freeStreamHC() instead") LZ4LIB_API   int   LZ4_freeHC (void* LZ4HC_Data);
+#endif
+LZ4_DEPRECATED("use LZ4_saveDictHC() instead") LZ4LIB_API     char* LZ4_slideInputBufferHC (void* LZ4HC_Data);
 LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_continue               (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int compressionLevel);
 LZ4_DEPRECATED("use LZ4_compress_HC_continue() instead") LZ4LIB_API int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* source, char* dest, int inputSize, int maxOutputSize, int compressionLevel);
 LZ4_DEPRECATED("use LZ4_createStreamHC() instead") LZ4LIB_API int   LZ4_sizeofStreamStateHC(void);
@@ -305,7 +305,7 @@ LZ4LIB_API void LZ4_resetStreamHC (LZ4_streamHC_t* streamHCPtr, int compressionL
  * They should not be linked from DLL,
  * as there is no guarantee of API stability yet.
  * Prototypes will be promoted to "stable" status
- * after successfull usage in real-life scenarios.
+ * after successful usage in real-life scenarios.
  ***************************************************/
 #ifdef LZ4_HC_STATIC_LINKING_ONLY   /* protection macro */
 #ifndef LZ4_HC_SLO_098092834

storage/tianmu/compress/lz4.h

-/* clang-format off */
-/*
-   LZ4 - Fast LZ compression algorithm
-   Header File
-   Copyright (C) 2011-2015, Yann Collet.
-
-   BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
-
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are
-   met:
-
-       * Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-       * Redistributions in binary form must reproduce the above
-   copyright notice, this list of conditions and the following disclaimer
-   in the documentation and/or other materials provided with the
-   distribution.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-   You can contact the author at :
-   - LZ4 source repository : https://github.com/Cyan4973/lz4
-   - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
-*/
-#ifndef TIANMU_COMPRESS_LZ4_H_
-#define TIANMU_COMPRESS_LZ4_H_
-#pragma once
-
-#if defined (__cplusplus)
-namespace Tianmu{
-namespace compress{
-
-extern "C" {
-#endif // defined (__cplusplus)
-
-/*
- * lz4.h provides block compression functions, and gives earlyEnd_directive::full buffer control to programmer.
- * If you need to generate inter-operable compressed data (respecting LZ4 frame specification),
- * and can let the library handle its own memory, please use lz4frame.h instead.
-*/
-
-/**************************************
-*  Version
-**************************************/
-#define LZ4_VERSION_MAJOR    1    /* for breaking interface changes  */
-#define LZ4_VERSION_MINOR    7    /* for new (non-breaking) interface capabilities */
-#define LZ4_VERSION_RELEASE  1    /* for tweaks, bug-fixes, or development */
-#define LZ4_VERSION_NUMBER (LZ4_VERSION_MAJOR *100*100 + LZ4_VERSION_MINOR *100 + LZ4_VERSION_RELEASE)
-int LZ4_versionNumber (void);
-
-/**************************************
-*  Tuning parameter
-**************************************/
-/*
- * LZ4_MEMORY_USAGE :
- * Memory usage formula : N->2^N Bytes (examples : 10 -> 1KB; 12 -> 4KB ; 16 -> 64KB; 20 -> 1MB; etc.)
- * Increasing memory usage improves compression ratio
- * Reduced memory usage can improve speed, due to cache effect
- * Default value is 14, for 16KB, which nicely fits into Intel x86 L1 cache
- */
-#define LZ4_MEMORY_USAGE 14
-
-
-/**************************************
-*  Simple Functions
-**************************************/
-
-int LZ4_compress_default(const char* source, char* dest, int sourceSize, int maxDestSize);
-int LZ4_decompress_safe (const char* source, char* dest, int compressedSize, int maxDecompressedSize);
-
-/*
-LZ4_compress_default() :
-    Compresses 'sourceSize' bytes from buffer 'source'
-    into already allocated 'dest' buffer of size 'maxDestSize'.
-    Compression is guaranteed to succeed if 'maxDestSize' >= LZ4_compressBound(sourceSize).
-    It also runs faster, so it's a recommended setting.
-    If the function cannot compress 'source' into a more limited 'dest' budget,
-    compression stops *immediately*, and the function result is zero.
-    As a consequence, 'dest' content is not valid.
-    This function never writes outside 'dest' buffer, nor read outside 'source' buffer.
-        sourceSize  : Max supported value is LZ4_MAX_INPUT_VALUE
-        maxDestSize : earlyEnd_directive::full or earlyEnd_directive::partial size of buffer 'dest' (which must be already allocated)
-        return : the number of bytes written into buffer 'dest' (necessarily <= maxOutputSize)
-              or 0 if compression fails
-
-LZ4_decompress_safe() :
-    compressedSize : is the precise earlyEnd_directive::full size of the compressed block.
-    maxDecompressedSize : is the size of destination buffer, which must be already allocated.
-    return : the number of bytes decompressed into destination buffer (necessarily <= maxDecompressedSize)
-             If destination buffer is not large enough, decoding will stop and output an error code (<0).
-             If the source stream is detected malformed, the function will stop decoding and return a negative result.
-             This function is protected against buffer overflow exploits, including malicious data packets.
-             It never writes outside output buffer, nor reads outside input buffer.
-*/
-
-
-/**************************************
-*  Advanced Functions
-**************************************/
-#define LZ4_MAX_INPUT_SIZE        0x7E000000   /* 2 113 929 216 bytes */
-#define LZ4_COMPRESSBOUND(isize)  ((unsigned)(isize) > (unsigned)LZ4_MAX_INPUT_SIZE ? 0 : (isize) + ((isize)/255) + 16)
-
-/*
-LZ4_compressBound() :
-    Provides the maximum size that LZ4 compression may output in a "worst case" scenario (input data not compressible)
-    This function is primarily useful for memory allocation purposes (destination buffer size).
-    Macro LZ4_COMPRESSBOUND() is also provided for compilation-time evaluation (stack memory allocation for example).
-    Note that LZ4_compress_default() compress faster when dest buffer size is >= LZ4_compressBound(srcSize)
-        inputSize  : max supported value is LZ4_MAX_INPUT_SIZE
-        return : maximum output size in a "worst case" scenario
-              or 0, if input size is too large ( > LZ4_MAX_INPUT_SIZE)
-*/
-int LZ4_compressBound(int inputSize);
-
-/*
-LZ4_compress_fast() :
-    Same as LZ4_compress_default(), but allows to select an "acceleration" factor.
-    The larger the acceleration value, the faster the algorithm, but also the lesser the compression.
-    It's a trade-off. It can be fine tuned, with each successive value providing roughly +~3% to speed.
-    An acceleration value of "1" is the same as regular LZ4_compress_default()
-    Values <= 0 will be replaced by ACCELERATION_DEFAULT (see lz4.c), which is 1.
-*/
-int LZ4_compress_fast (const char* source, char* dest, int sourceSize, int maxDestSize, int acceleration);
-
-
-/*
-LZ4_compress_fast_extState() :
-    Same compression function, just using an externally allocated memory space to store compression state.
-    Use LZ4_sizeofState() to know how much memory must be allocated,
-    and allocate it on 8-bytes boundaries (using malloc() typically).
-    Then, provide it as 'void* state' to compression function.
-*/
-int LZ4_sizeofState(void);
-int LZ4_compress_fast_extState (void* state, const char* source, char* dest, int inputSize, int maxDestSize, int acceleration);
-
-
-/*
-LZ4_compress_destSize() :
-    Reverse the logic, by compressing as much data as possible from 'source' buffer
-    into already allocated buffer 'dest' of size 'targetDestSize'.
-    This function either compresses the entire 'source' content into 'dest' if it's large enough,
-    or fill 'dest' buffer completely with as much data as possible from 'source'.
-        *sourceSizePtr : will be modified to indicate how many bytes where read from 'source' to fill 'dest'.
-                         New value is necessarily <= old value.
-        return : Nb bytes written into 'dest' (necessarily <= targetDestSize)
-              or 0 if compression fails
-*/
-int LZ4_compress_destSize (const char* source, char* dest, int* sourceSizePtr, int targetDestSize);
-
-
-/*
-LZ4_decompress_fast() :
-    originalSize : is the original and therefore uncompressed size
-    return : the number of bytes read from the source buffer (in other words, the compressed size)
-             If the source stream is detected malformed, the function will stop decoding and return a negative result.
-             Destination buffer must be already allocated. Its size must be a minimum of 'originalSize' bytes.
-    note : This function fully respect memory boundaries for properly formed compressed data.
-           It is a bit faster than LZ4_decompress_safe().
-           However, it does not provide any protection against intentionally modified data stream (malicious input).
-           Use this function in trusted environment only (data to decode comes from a trusted source).
-*/
-int LZ4_decompress_fast (const char* source, char* dest, int originalSize);
-
-/*
-LZ4_decompress_safe_partial() :
-    This function decompress a compressed block of size 'compressedSize' at position 'source'
-    into destination buffer 'dest' of size 'maxDecompressedSize'.
-    The function tries to stop decompressing operation as soon as 'targetOutputSize' has been reached,
-    reducing decompression time.
-    return : the number of bytes decoded in the destination buffer (necessarily <= maxDecompressedSize)
-       Note : this number can be < 'targetOutputSize' should the compressed block to decode be smaller.
-             Always control how many bytes were decoded.
-             If the source stream is detected malformed, the function will stop decoding and return a negative result.
-             This function never writes outside of output buffer, and never reads outside of input buffer. It is therefore protected against malicious data packets
-*/
-int LZ4_decompress_safe_partial (const char* source, char* dest, int compressedSize, int targetOutputSize, int maxDecompressedSize);
-
-
-/***********************************************
-*  Streaming Compression Functions
-***********************************************/
-#define LZ4_STREAMSIZE_U64 ((1 << (LZ4_MEMORY_USAGE-3)) + 4)
-#define LZ4_STREAMSIZE     (LZ4_STREAMSIZE_U64 * sizeof(long long))
-/*
- * LZ4_stream_t
- * information structure to track an LZ4 stream.
- * important : init this structure content before first use !
- * note : only allocated directly the structure if you are statically linking LZ4
- *        If you are using liblz4 as a DLL, please use below construction methods instead.
- */
-using LZ4_stream_t = struct { long long table[LZ4_STREAMSIZE_U64]; };
-
-/*
- * LZ4_resetStream
- * Use this function to init an allocated LZ4_stream_t structure
- */
-void LZ4_resetStream (LZ4_stream_t* streamPtr);
-
-/*
- * LZ4_createStream will allocate and initialize an LZ4_stream_t structure
- * LZ4_freeStream releases its memory.
- * In the context of a DLL (liblz4), please use these methods rather than the static struct.
- * They are more future proof, in case of a change of LZ4_stream_t size.
- */
-LZ4_stream_t* LZ4_createStream(void);
-int           LZ4_freeStream (LZ4_stream_t* streamPtr);
-
-/*
- * LZ4_loadDict
- * Use this function to load a static dictionary into LZ4_stream.
- * Any previous data will be forgotten, only 'dictionary' will remain in memory.
- * Loading a size of 0 is allowed.
- * Return : dictionary size, in bytes (necessarily <= 64 KB)
- */
-int LZ4_loadDict (LZ4_stream_t* streamPtr, const char* dictionary, int dictSize);
-
-/*
- * LZ4_compress_fast_continue
- * Compress buffer content 'src', using data from previously compressed blocks as dictionary to improve compression ratio.
- * Important : Previous data blocks are assumed to still be present and unmodified !
- * 'dst' buffer must be already allocated.
- * If maxDstSize >= LZ4_compressBound(srcSize), compression is guaranteed to succeed, and runs faster.
- * If not, and if compressed data cannot fit into 'dst' buffer size, compression stops, and function returns a zero.
- */
-int LZ4_compress_fast_continue (LZ4_stream_t* streamPtr, const char* src, char* dst, int srcSize, int maxDstSize, int acceleration);
-
-/*
- * LZ4_saveDict
- * If previously compressed data block is not guaranteed to remain available at its memory location
- * save it into a safer place (char* safeBuffer)
- * Note : you don't need to call LZ4_loadDict() afterwards,
- *        dictionary is immediately usable, you can therefore call LZ4_compress_fast_continue()
- * Return : saved dictionary size in bytes (necessarily <= dictSize), or 0 if error
- */
-int LZ4_saveDict (LZ4_stream_t* streamPtr, char* safeBuffer, int dictSize);
-
-
-/************************************************
-*  Streaming Decompression Functions
-************************************************/
-
-#define LZ4_STREAMDECODESIZE_U64  4
-#define LZ4_STREAMDECODESIZE     (LZ4_STREAMDECODESIZE_U64 * sizeof(unsigned long long))
-using  LZ4_streamDecode_t = struct { unsigned long long table[LZ4_STREAMDECODESIZE_U64]; };
-/*
- * LZ4_streamDecode_t
- * information structure to track an LZ4 stream.
- * init this structure content using LZ4_setStreamDecode or memset() before first use !
- *
- * In the context of a DLL (liblz4) please prefer usage of construction methods below.
- * They are more future proof, in case of a change of LZ4_streamDecode_t size in the future.
- * LZ4_createStreamDecode will allocate and initialize an LZ4_streamDecode_t structure
- * LZ4_freeStreamDecode releases its memory.
- */
-LZ4_streamDecode_t* LZ4_createStreamDecode(void);
-int                 LZ4_freeStreamDecode (LZ4_streamDecode_t* LZ4_stream);
-
-/*
- * LZ4_setStreamDecode
- * Use this function to instruct where to find the dictionary.
- * Setting a size of 0 is allowed (same effect as reset).
- * Return : 1 if OK, 0 if error
- */
-int LZ4_setStreamDecode (LZ4_streamDecode_t* LZ4_streamDecode, const char* dictionary, int dictSize);
-
-/*
-*_continue() :
-    These decoding functions allow decompression of multiple blocks in "streaming" mode.
-    Previously decoded blocks *must* remain available at the memory position where they were decoded (up to 64 KB)
-    In the case of a ring buffers, decoding buffer must be either :
-    - Exactly same size as encoding buffer, with same update rule (block boundaries at same positions)
-      In which case, the decoding & encoding ring buffer can have any size, including very small ones ( < 64 KB).
-    - Larger than encoding buffer, by a minimum of maxBlockSize more bytes.
-      maxBlockSize is implementation dependent. It's the maximum size you intend to compress into a single block.
-      In which case, encoding and decoding buffers do not need to be synchronized,
-      and encoding ring buffer can have any size, including small ones ( < 64 KB).
-    - _At least_ 64 KB + 8 bytes + maxBlockSize.
-      In which case, encoding and decoding buffers do not need to be synchronized,
-      and encoding ring buffer can have any size, including larger than decoding buffer.
-    Whenever these conditions are not possible, save the last 64KB of decoded data into a safe buffer,
-    and indicate where it is saved using LZ4_setStreamDecode()
-*/
-int LZ4_decompress_safe_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int compressedSize, int maxDecompressedSize);
-int LZ4_decompress_fast_continue (LZ4_streamDecode_t* LZ4_streamDecode, const char* source, char* dest, int originalSize);
-
-
-/*
-Advanced decoding functions :
-*_usingDict() :
-    These decoding functions work the same as
-    a combination of LZ4_setStreamDecode() followed by LZ4_decompress_x_continue()
-    They are stand-alone. They don't need nor update an LZ4_streamDecode_t structure.
-*/
-int LZ4_decompress_safe_usingDict (const char* source, char* dest, int compressedSize, int maxDecompressedSize, const char* dictStart, int dictSize);
-int LZ4_decompress_fast_usingDict (const char* source, char* dest, int originalSize, const char* dictStart, int dictSize);
-
-
-
-/**************************************
-*  Obsolete Functions
-**************************************/
-/* Deprecate Warnings */
-/* Should these warnings messages be a problem,
-   it is generally possible to disable them,
-   with -Wno-deprecated-declarations for gcc
-   or _CRT_SECURE_NO_WARNINGS in Visual for example.
-   You can also define LZ4_DEPRECATE_WARNING_DEFBLOCK. */
-#ifndef LZ4_DEPRECATE_WARNING_DEFBLOCK
-#  define LZ4_DEPRECATE_WARNING_DEFBLOCK
-#  define LZ4_GCC_VERSION (__GNUC__ * 100 + __GNUC_MINOR__)
-#  if (LZ4_GCC_VERSION >= 405) || defined(__clang__)
-#    define LZ4_DEPRECATED(message) __attribute__((deprecated(message)))
-#  elif (LZ4_GCC_VERSION >= 301)
-#    define LZ4_DEPRECATED(message) __attribute__((deprecated))
-#  elif defined(_MSC_VER)
-#    define LZ4_DEPRECATED(message) __declspec(deprecated(message))
-#  else
-#    pragma message("WARNING: You need to implement LZ4_DEPRECATED for this compiler")
-#    define LZ4_DEPRECATED(message)
-#  endif
-#endif /* LZ4_DEPRECATE_WARNING_DEFBLOCK */
-
-/* Obsolete compression functions */
-/* These functions are planned to start generate warnings by r131 approximately */
-int LZ4_compress               (const char* source, char* dest, int sourceSize);
-int LZ4_compress_limitedOutput (const char* source, char* dest, int sourceSize, int maxOutputSize);
-int LZ4_compress_withState               (void* state, const char* source, char* dest, int inputSize);
-int LZ4_compress_limitedOutput_withState (void* state, const char* source, char* dest, int inputSize, int maxOutputSize);
-int LZ4_compress_continue                (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize);
-int LZ4_compress_limitedOutput_continue  (LZ4_stream_t* LZ4_streamPtr, const char* source, char* dest, int inputSize, int maxOutputSize);
-
-/* Obsolete decompression functions */
-/* These function names are completely deprecated and must no longer be used.
-   They are only provided here for compatibility with older programs.
-    - LZ4_uncompress is the same as LZ4_decompress_fast
-    - LZ4_uncompress_unknownOutputSize is the same as LZ4_decompress_safe
-   These function prototypes are now disabled; uncomment them only if you really need them.
-   It is highly recommended to stop using these prototypes and migrate to maintained ones */
-/* int LZ4_uncompress (const char* source, char* dest, int outputSize); */
-/* int LZ4_uncompress_unknownOutputSize (const char* source, char* dest, int isize, int maxOutputSize); */
-
-/* Obsolete streaming functions; use new streaming interface whenever possible */
-LZ4_DEPRECATED("use LZ4_createStream() instead") void* LZ4_create (char* inputBuffer);
-LZ4_DEPRECATED("use LZ4_createStream() instead") int   LZ4_sizeofStreamState(void);
-LZ4_DEPRECATED("use LZ4_resetStream() instead")  int   LZ4_resetStreamState(void* state, char* inputBuffer);
-LZ4_DEPRECATED("use LZ4_saveDict() instead")     char* LZ4_slideInputBuffer (void* state);
-
-/* Obsolete streaming decoding functions */
-LZ4_DEPRECATED("use LZ4_decompress_safe_usingDict() instead") int LZ4_decompress_safe_withPrefix64k (const char* src, char* dst, int compressedSize, int maxDstSize);
-LZ4_DEPRECATED("use LZ4_decompress_fast_usingDict() instead") int LZ4_decompress_fast_withPrefix64k (const char* src, char* dst, int originalSize);
-
-
-#if defined (__cplusplus)
-}  //extern "C"
-
-}  //namespace compress
-}  //namespace Tianmu
-#endif //defined (__cplusplus)
-
-#endif  // TIANMU_COMPRESS_LZ4_H_

storage/tianmu/compress/text_compressor.cpp

@@ -22,7 +22,7 @@
 
 #include "common/assert.h"
 #include "compress/inc_wgraph.h"
-#include "compress/lz4.h"
+#include "lz4.h"
 #include "system/fet.h"
 
 namespace Tianmu {
@@ -425,7 +425,7 @@ CprsErr TextCompressor::CompressZlib(char *dest, int &dlen, char **index, const
   int ret = compress2(reinterpret_cast<Bytef *>(dest + pos), &destlen, srcdata.get(), srclen, Z_DEFAULT_COMPRESSION);
   if (ret != Z_OK) {
     TIANMU_LOG(LogCtl_Level::ERROR, "compress2 failure %d, destlen: %d, srclen %d, packlen %u", ret, destlen, srclen,
-                packlen);
+               packlen);
     return CprsErr::CPRS_ERR_OTH;
   }
   *(reinterpret_cast<uint32_t *>(dest)) = static_cast<uint32_t>(destlen);

storage/tianmu/core/pack_str.cpp

@@ -21,7 +21,6 @@
 #include "zlib.h"
 
 #include "compress/bit_stream_compressor.h"
-#include "compress/lz4.h"
 #include "compress/num_compressor.h"
 #include "compress/part_dict.h"
 #include "compress/text_compressor.h"
@@ -30,9 +29,10 @@
 #include "core/tools.h"
 #include "core/value.h"
 #include "loader/value_cache.h"
+#include "lz4.h"
 #include "mm/mm_guard.h"
-#include "system/tianmu_file.h"
 #include "system/stream.h"
+#include "system/tianmu_file.h"
 #include "system/txt_utils.h"
 
 namespace Tianmu {
@@ -462,10 +462,10 @@ void PackStr::Save() {
   if (!ShouldNotCompress()) {
     if (data.sum_len > common::MAX_CMPR_SIZE) {
       TIANMU_LOG(LogCtl_Level::WARN,
-                  "pack (%d-%d-%d) size %ld exceeds supported compression "
-                  "size, will not be compressed!",
-                  pc_table(GetCoordinate().co.pack), pc_column(GetCoordinate().co.pack), pc_dp(GetCoordinate().co.pack),
-                  data.sum_len);
+                 "pack (%d-%d-%d) size %ld exceeds supported compression "
+                 "size, will not be compressed!",
+                 pc_table(GetCoordinate().co.pack), pc_column(GetCoordinate().co.pack), pc_dp(GetCoordinate().co.pack),
+                 data.sum_len);
       SetModeNoCompression();
       dpn->len = NULLS_SIZE + data.sum_len + (data.len_mode * (1 << s->pss));
     } else if (s->ColType().GetFmt() == common::PackFmt::TRIE) {