diff options
Diffstat (limited to 'lib/lz4hc.c')
| -rw-r--r-- | lib/lz4hc.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/lib/lz4hc.c b/lib/lz4hc.c index 4e3573a..f6ed779 100644 --- a/lib/lz4hc.c +++ b/lib/lz4hc.c @@ -63,13 +63,6 @@ /*=== Enums ===*/ typedef enum { noDictCtx, usingDictCtxHc } dictCtx_directive; -#ifndef LZ4_SRC_INCLUDED -typedef enum { - noLimit = 0, - limitedOutput = 1, - limitedDestSize = 2 -} limitedOutput_directive; -#endif #define LZ4_COMMONDEFS_ONLY @@ -512,7 +505,7 @@ LZ4_FORCE_INLINE int LZ4HC_compress_hashChain ( /* init */ *srcSizePtr = 0; - if (limit == limitedDestSize) oend -= LASTLITERALS; /* Hack for support LZ4 format restriction */ + if (limit == fillOutput) oend -= LASTLITERALS; /* Hack for support LZ4 format restriction */ if (inputSize < LZ4_minLength) goto _last_literals; /* Input too small, no compression (all literals) */ /* Main Loop */ @@ -659,7 +652,7 @@ _last_literals: { size_t lastRunSize = (size_t)(iend - anchor); /* literals */ size_t litLength = (lastRunSize + 255 - RUN_MASK) / 255; size_t const totalSize = 1 + litLength + lastRunSize; - if (limit == limitedDestSize) oend += LASTLITERALS; /* restore correct value */ + if (limit == fillOutput) oend += LASTLITERALS; /* restore correct value */ if (limit && (op + totalSize > oend)) { if (limit == limitedOutput) return 0; /* Check output limit */ /* adapt lastRunSize to fill 'dest' */ @@ -686,7 +679,7 @@ _last_literals: return (int) (((char*)op)-dest); _dest_overflow: - if (limit == limitedDestSize) { + if (limit == fillOutput) { op = optr; /* restore correct out pointer */ goto _last_literals; } @@ -738,7 +731,7 @@ LZ4_FORCE_INLINE int LZ4HC_compress_generic_internal ( DEBUGLOG(4, "LZ4HC_compress_generic(ctx=%p, src=%p, srcSize=%d)", ctx, src, *srcSizePtr); - if (limit == limitedDestSize && dstCapacity < 1) return 0; /* Impossible to store anything */ + if (limit == fillOutput && dstCapacity < 1) return 0; /* Impossible to store anything */ if ((U32)*srcSizePtr > (U32)LZ4_MAX_INPUT_SIZE) return 0; /* Unsupported input size (too large or negative) */ ctx->end += *srcSizePtr; @@ -855,7 +848,7 @@ int LZ4_compress_HC_extStateHC_fastReset (void* state, const char* src, char* ds if (dstCapacity < LZ4_compressBound(srcSize)) return LZ4HC_compress_generic (ctx, src, dst, &srcSize, dstCapacity, compressionLevel, limitedOutput); else - return LZ4HC_compress_generic (ctx, src, dst, &srcSize, dstCapacity, compressionLevel, noLimit); + return LZ4HC_compress_generic (ctx, src, dst, &srcSize, dstCapacity, compressionLevel, notLimited); } int LZ4_compress_HC_extStateHC (void* state, const char* src, char* dst, int srcSize, int dstCapacity, int compressionLevel) @@ -887,7 +880,7 @@ int LZ4_compress_HC_destSize(void* state, const char* source, char* dest, int* s if (ctx==NULL) return 0; /* init failure */ LZ4HC_init_internal(&ctx->internal_donotuse, (const BYTE*) source); LZ4_setCompressionLevel(ctx, cLevel); - return LZ4HC_compress_generic(&ctx->internal_donotuse, source, dest, sourceSizePtr, targetDestSize, cLevel, limitedDestSize); + return LZ4HC_compress_generic(&ctx->internal_donotuse, source, dest, sourceSizePtr, targetDestSize, cLevel, fillOutput); } @@ -1056,12 +1049,12 @@ int LZ4_compress_HC_continue (LZ4_streamHC_t* LZ4_streamHCPtr, const char* src, if (dstCapacity < LZ4_compressBound(srcSize)) return LZ4_compressHC_continue_generic (LZ4_streamHCPtr, src, dst, &srcSize, dstCapacity, limitedOutput); else - return LZ4_compressHC_continue_generic (LZ4_streamHCPtr, src, dst, &srcSize, dstCapacity, noLimit); + return LZ4_compressHC_continue_generic (LZ4_streamHCPtr, src, dst, &srcSize, dstCapacity, notLimited); } int LZ4_compress_HC_continue_destSize (LZ4_streamHC_t* LZ4_streamHCPtr, const char* src, char* dst, int* srcSizePtr, int targetDestSize) { - return LZ4_compressHC_continue_generic(LZ4_streamHCPtr, src, dst, srcSizePtr, targetDestSize, limitedDestSize); + return LZ4_compressHC_continue_generic(LZ4_streamHCPtr, src, dst, srcSizePtr, targetDestSize, fillOutput); } @@ -1137,7 +1130,7 @@ int LZ4_freeHC (void* LZ4HC_Data) int LZ4_compressHC2_continue (void* LZ4HC_Data, const char* src, char* dst, int srcSize, int cLevel) { - return LZ4HC_compress_generic (&((LZ4_streamHC_t*)LZ4HC_Data)->internal_donotuse, src, dst, &srcSize, 0, cLevel, noLimit); + return LZ4HC_compress_generic (&((LZ4_streamHC_t*)LZ4HC_Data)->internal_donotuse, src, dst, &srcSize, 0, cLevel, notLimited); } int LZ4_compressHC2_limitedOutput_continue (void* LZ4HC_Data, const char* src, char* dst, int srcSize, int dstCapacity, int cLevel) @@ -1247,7 +1240,7 @@ static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal* ctx, /* init */ DEBUGLOG(5, "LZ4HC_compress_optimal(dst=%p, dstCapa=%u)", dst, (unsigned)dstCapacity); *srcSizePtr = 0; - if (limit == limitedDestSize) oend -= LASTLITERALS; /* Hack for support LZ4 format restriction */ + if (limit == fillOutput) oend -= LASTLITERALS; /* Hack for support LZ4 format restriction */ if (sufficient_len >= LZ4_OPT_NUM) sufficient_len = LZ4_OPT_NUM-1; /* Main Loop */ @@ -1447,7 +1440,7 @@ static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal* ctx, { size_t lastRunSize = (size_t)(iend - anchor); /* literals */ size_t litLength = (lastRunSize + 255 - RUN_MASK) / 255; size_t const totalSize = 1 + litLength + lastRunSize; - if (limit == limitedDestSize) oend += LASTLITERALS; /* restore correct value */ + if (limit == fillOutput) oend += LASTLITERALS; /* restore correct value */ if (limit && (op + totalSize > oend)) { if (limit == limitedOutput) return 0; /* Check output limit */ /* adapt lastRunSize to fill 'dst' */ @@ -1474,7 +1467,7 @@ static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal* ctx, return (int) ((char*)op-dst); _dest_overflow: - if (limit == limitedDestSize) { + if (limit == fillOutput) { op = opSaved; /* restore correct out pointer */ goto _last_literals; } |