diff options
Diffstat (limited to 'contrib/zstd/lib/common/zstd_internal.h')
| -rw-r--r-- | contrib/zstd/lib/common/zstd_internal.h | 68 |
1 files changed, 59 insertions, 9 deletions
diff --git a/contrib/zstd/lib/common/zstd_internal.h b/contrib/zstd/lib/common/zstd_internal.h index 2533333ba83c..f2c4e6249fb8 100644 --- a/contrib/zstd/lib/common/zstd_internal.h +++ b/contrib/zstd/lib/common/zstd_internal.h @@ -18,6 +18,7 @@ # include <intrin.h> /* For Visual 2005 */ # pragma warning(disable : 4100) /* disable: C4100: unreferenced formal parameter */ # pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */ +# pragma warning(disable : 4204) /* disable: C4204: non-constant aggregate initializer */ # pragma warning(disable : 4324) /* disable: C4324: padded structure */ #else # if defined (__cplusplus) || defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */ @@ -50,9 +51,42 @@ #define ZSTD_STATIC_LINKING_ONLY #include "zstd.h" #ifndef XXH_STATIC_LINKING_ONLY -# define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */ +# define XXH_STATIC_LINKING_ONLY /* XXH64_state_t */ +#endif +#include "xxhash.h" /* XXH_reset, update, digest */ + + +/*-************************************* +* Debug +***************************************/ +#if defined(ZSTD_DEBUG) && (ZSTD_DEBUG>=1) +# include <assert.h> +#else +# ifndef assert +# define assert(condition) ((void)0) +# endif +#endif + +#define ZSTD_STATIC_ASSERT(c) { enum { ZSTD_static_assert = 1/(int)(!!(c)) }; } + +#if defined(ZSTD_DEBUG) && (ZSTD_DEBUG>=2) +# include <stdio.h> +/* recommended values for ZSTD_DEBUG display levels : + * 1 : no display, enables assert() only + * 2 : reserved for currently active debugging path + * 3 : events once per object lifetime (CCtx, CDict) + * 4 : events once per frame + * 5 : events once per block + * 6 : events once per sequence (*very* verbose) */ +# define DEBUGLOG(l, ...) { \ + if (l<=ZSTD_DEBUG) { \ + fprintf(stderr, __FILE__ ": "); \ + fprintf(stderr, __VA_ARGS__); \ + fprintf(stderr, " \n"); \ + } } +#else +# define DEBUGLOG(l, ...) {} /* disabled */ #endif -#include "xxhash.h" /* XXH_reset, update, digest */ /*-************************************* @@ -70,7 +104,6 @@ * Common constants ***************************************/ #define ZSTD_OPT_NUM (1<<12) -#define ZSTD_DICT_MAGIC 0xEC30A437 /* v0.7+ */ #define ZSTD_REP_NUM 3 /* number of repcodes */ #define ZSTD_REP_CHECK (ZSTD_REP_NUM) /* number of repcodes to check by the optimal parser */ @@ -235,15 +268,10 @@ typedef struct { const seqStore_t* ZSTD_getSeqStore(const ZSTD_CCtx* ctx); void ZSTD_seqToCodes(const seqStore_t* seqStorePtr); -int ZSTD_isSkipFrame(ZSTD_DCtx* dctx); /* custom memory allocation functions */ -void* ZSTD_defaultAllocFunction(void* opaque, size_t size); -void ZSTD_defaultFreeFunction(void* opaque, void* address); -#ifndef ZSTD_DLL_IMPORT -static const ZSTD_customMem defaultCustomMem = { ZSTD_defaultAllocFunction, ZSTD_defaultFreeFunction, NULL }; -#endif void* ZSTD_malloc(size_t size, ZSTD_customMem customMem); +void* ZSTD_calloc(size_t size, ZSTD_customMem customMem); void ZSTD_free(void* ptr, ZSTD_customMem customMem); @@ -281,4 +309,26 @@ MEM_STATIC U32 ZSTD_highbit32(U32 val) void ZSTD_invalidateRepCodes(ZSTD_CCtx* cctx); +/*! ZSTD_initCStream_internal() : + * Private use only. Init streaming operation. + * expects params to be valid. + * must receive dict, or cdict, or none, but not both. + * @return : 0, or an error code */ +size_t ZSTD_initCStream_internal(ZSTD_CStream* zcs, + const void* dict, size_t dictSize, + const ZSTD_CDict* cdict, + ZSTD_parameters params, unsigned long long pledgedSrcSize); + +/*! ZSTD_compressStream_generic() : + * Private use only. To be called from zstdmt_compress.c in single-thread mode. */ +size_t ZSTD_compressStream_generic(ZSTD_CStream* zcs, + ZSTD_outBuffer* output, + ZSTD_inBuffer* input, + ZSTD_EndDirective const flushMode); + +/*! ZSTD_getParamsFromCDict() : + * as the name implies */ +ZSTD_parameters ZSTD_getParamsFromCDict(const ZSTD_CDict* cdict); + + #endif /* ZSTD_CCOMMON_H_MODULE */ |