increase size of LZ4 contexts for 128-bit systems

1 files changed, 20 insertions, 10 deletions

diff --git a/lib/lz4hc.h b/lib/lz4hc.h
index ab796ae..4c7ba5a 100644
--- a/lib/lz4hc.h
+++ b/lib/lz4hc.h
@@ -123,12 +123,20 @@ LZ4LIB_API int LZ4_saveDictHC (LZ4_streamHC_t* streamHCPtr, char* safeBuffer, in
 */
 
 
+
+
+/*^**********************************************
+ * !!!!!!   STATIC LINKING ONLY   !!!!!!
+ ***********************************************/
+
 /*-******************************************************************
  * PRIVATE DEFINITIONS :
  * Do not use these definitions directly.
  * They are merely exposed to allow static allocation of `LZ4_streamHC_t`.
- * Using these definitions makes the code vulnerable to potential API/ABI break when upgrading LZ4.
+ * Declare an `LZ4_streamHC_t` directly, rather than any type below.
+ * Even then, only do so in the context of static linking, as definitions may change between versions.
  ********************************************************************/
+
 #define LZ4HC_DICTIONARY_LOGSIZE 16
 #define LZ4HC_MAXD (1<<LZ4HC_DICTIONARY_LOGSIZE)
 #define LZ4HC_MAXD_MASK (LZ4HC_MAXD - 1)
@@ -177,20 +185,22 @@ struct LZ4HC_CCtx_internal
 
 #endif
 
+
+/* do not use these definitions directly.
+ * allocate an LZ4_streamHC_t instead. */
 #define LZ4_STREAMHCSIZE       (4*LZ4HC_HASHTABLESIZE + 2*LZ4HC_MAXD + 56 + ((sizeof(void*)==16) ? 56 : 0) /* AS400*/ ) /* 262200 or 262256*/
 #define LZ4_STREAMHCSIZE_SIZET (LZ4_STREAMHCSIZE / sizeof(size_t))
 union LZ4_streamHC_u {
     size_t table[LZ4_STREAMHCSIZE_SIZET];
     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.
-  State must be initialized using LZ4_resetStreamHC() before first use.
-
-  Static allocation shall only be used in combination with static linking.
-  When invoking LZ4 from a DLL, use create/free functions instead, which are API and ABI stable.
-*/
+}; /* previously typedef'd to LZ4_streamHC_t */
+/* LZ4_streamHC_t :
+ * This structure allows static allocation of LZ4 HC streaming state.
+ * State must be initialized using LZ4_resetStreamHC() before first use.
+ *
+ * Static allocation shall only be used in combination with static linking.
+ * When invoking LZ4 from a DLL, use create/free functions instead, which are API and ABI stable.
+ */
 
 
 /*-************************************