diff options
Diffstat (limited to 'lib/lz4.c')
| -rw-r--r-- | lib/lz4.c | 23 |
1 files changed, 12 insertions, 11 deletions
@@ -582,10 +582,6 @@ LZ4_FORCE_INLINE void LZ4_prepareTable( cctx->dictSize = 0; } -void LZ4_resetStream_fast(LZ4_stream_t* const ctx) { - LZ4_prepareTable(&(ctx->internal_donotuse), 0, byU32); -} - /** LZ4_compress_generic() : inlined, to ensure branches are decided at compilation time */ LZ4_FORCE_INLINE int LZ4_compress_generic( @@ -851,14 +847,15 @@ int LZ4_compress_fast_extState(void* state, const char* source, char* dest, int } /** - * LZ4_compress_fast_extState_noReset is a variant of LZ4_compress_fast_extState - * that can be used when the state is known to have already been initialized - * (via LZ4_resetStream or an earlier call to LZ4_compress_fast_extState / - * LZ4_compress_fast_extState_noReset). This can provide significantly better - * performance when the context reset would otherwise be a significant part of - * the cost of the compression, e.g., when the data to be compressed is small. + * LZ4_compress_fast_extState_fastReset() : + * A variant of LZ4_compress_fast_extState(). + * + * Using this variant avoids an expensive initialization step. It is only safe + * to call if the state buffer is known to be correctly initialized already + * (see comment in lz4.h on LZ4_resetStream_fast() for a definition of + * "correctly initialized"). */ -int LZ4_compress_fast_extState_noReset(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int acceleration) +int LZ4_compress_fast_extState_fastReset(void* state, const char* source, char* dest, int inputSize, int maxOutputSize, int acceleration) { LZ4_stream_t_internal* ctx = &((LZ4_stream_t*)state)->internal_donotuse; if (acceleration < 1) acceleration = ACCELERATION_DEFAULT; @@ -1149,6 +1146,10 @@ void LZ4_resetStream (LZ4_stream_t* LZ4_stream) MEM_INIT(LZ4_stream, 0, sizeof(LZ4_stream_t)); } +void LZ4_resetStream_fast(LZ4_stream_t* const ctx) { + LZ4_prepareTable(&(ctx->internal_donotuse), 0, byU32); +} + int LZ4_freeStream (LZ4_stream_t* LZ4_stream) { if (!LZ4_stream) return 0; /* support free on NULL */ |