diff options
author | Yann Collet <cyan@fb.com> | 2018-09-18 00:22:07 (GMT) |
---|---|---|
committer | Yann Collet <cyan@fb.com> | 2018-09-18 00:31:57 (GMT) |
commit | 6381d828fda08f9eb621265e6904d0b0dd400c31 (patch) | |
tree | 548cdca6c7632621c5bbc9c85c0e04c1d5d40202 /lib/lz4hc.h | |
parent | 7b9edd60a06072f3c69f800e59e97f788d639934 (diff) | |
download | lz4-6381d828fda08f9eb621265e6904d0b0dd400c31.zip lz4-6381d828fda08f9eb621265e6904d0b0dd400c31.tar.gz lz4-6381d828fda08f9eb621265e6904d0b0dd400c31.tar.bz2 |
increase size of LZ4 contexts for 128-bit systems
Diffstat (limited to 'lib/lz4hc.h')
-rw-r--r-- | lib/lz4hc.h | 30 |
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. + */ /*-************************************ |