Modified lz4frame context typedef, to enforce stricter alignment condition

diff --git a/lib/lz4frame.c b/lib/lz4frame.c
index 8f82f6c..c6b9634 100644 (file)
--- a/lib/lz4frame.c
+++ b/lib/lz4frame.c
@@ -283,6 +283,7 @@ size_t LZ4F_compressFrameBound(size_t srcSize, const LZ4F_preferences_t* prefere
 size_t LZ4F_compressFrame(void* dstBuffer, size_t dstMaxSize, const void* srcBuffer, size_t srcSize, const LZ4F_preferences_t* preferencesPtr)
 {
     LZ4F_cctx_internal_t cctxI;
+    LZ4F_compressionContext_t cctx = (LZ4F_compressionContext_t)(&cctxI);
     LZ4_stream_t lz4ctx;
     LZ4F_preferences_t prefs;
     LZ4F_compressOptions_t options;
@@ -321,15 +322,15 @@ size_t LZ4F_compressFrame(void* dstBuffer, size_t dstMaxSize, const void* srcBuf
     if (dstMaxSize < LZ4F_compressFrameBound(srcSize, &prefs))
         return (size_t)-LZ4F_ERROR_dstMaxSize_tooSmall;
 
-    errorCode = LZ4F_compressBegin(&cctxI, dstBuffer, dstMaxSize, &prefs);  /* write header */
+    errorCode = LZ4F_compressBegin(cctx, dstBuffer, dstMaxSize, &prefs);  /* write header */
     if (LZ4F_isError(errorCode)) return errorCode;
     dstPtr += errorCode;   /* header size */
 
-    errorCode = LZ4F_compressUpdate(&cctxI, dstPtr, dstEnd-dstPtr, srcBuffer, srcSize, &options);
+    errorCode = LZ4F_compressUpdate(cctx, dstPtr, dstEnd-dstPtr, srcBuffer, srcSize, &options);
     if (LZ4F_isError(errorCode)) return errorCode;
     dstPtr += errorCode;
 
-    errorCode = LZ4F_compressEnd(&cctxI, dstPtr, dstEnd-dstPtr, &options);   /* flush last block, and generate suffix */
+    errorCode = LZ4F_compressEnd(cctx, dstPtr, dstEnd-dstPtr, &options);   /* flush last block, and generate suffix */
     if (LZ4F_isError(errorCode)) return errorCode;
     dstPtr += errorCode;
 

diff --git a/lib/lz4frame.h b/lib/lz4frame.h
index b5ba2fb..4698c4b 100644 (file)
--- a/lib/lz4frame.h
+++ b/lib/lz4frame.h
@@ -146,7 +146,7 @@ size_t LZ4F_compressFrame(void* dstBuffer, size_t dstMaxSize, const void* srcBuf
 /**********************************
  * Advanced compression functions
  * ********************************/
-typedef void* LZ4F_compressionContext_t;
+typedef size_t* LZ4F_compressionContext_t;
 
 typedef struct {
   unsigned stableSrc;    /* 1 == src content will remain available on future calls to LZ4F_compress(); avoid saving src content within tmp buffer as future dictionary */
@@ -226,7 +226,7 @@ size_t LZ4F_compressEnd(LZ4F_compressionContext_t cctx, void* dstBuffer, size_t
  * Decompression functions
  * *********************************/
 
-typedef void* LZ4F_decompressionContext_t;
+typedef size_t* LZ4F_decompressionContext_t;
 
 typedef struct {
   unsigned stableDst;       /* guarantee that decompressed data will still be there on next function calls (avoid storage into tmp buffers) */