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redirection to deflateReset and inflateReset

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This commit is contained in:
inikep 2016-09-27 17:14:04 +02:00
parent 706876f09a
commit 856f91ebef
2 changed files with 14 additions and 2 deletions
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8
zlibWrapper/zstd_zlibwrapper.c
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@ -205,6 +205,10 @@ ZEXTERN int ZEXPORT z_deflateInit2_ OF((z_streamp strm, int level, int method,
int ZWRAP_deflateResetWithoutDict(z_streamp strm)
{
LOG_WRAPPERC("- ZWRAP_deflateResetWithoutDict\n");
if (!g_ZWRAP_useZSTDcompression)
return deflateReset(strm);
strm->total_in = 0;
strm->total_out = 0;
strm->adler = 0;
@ -520,6 +524,10 @@ ZEXTERN int ZEXPORT z_inflateInit2_ OF((z_streamp strm, int windowBits,
int ZWRAP_inflateResetWithoutDict(z_streamp strm)
{
LOG_WRAPPERD("- ZWRAP_inflateResetWithoutDict\n");
if (g_ZWRAPdecompressionType == ZWRAP_FORCE_ZLIB || !strm->reserved)
return inflateReset(strm);
{ ZWRAP_DCtx* zwd = (ZWRAP_DCtx*) strm->state;
if (zwd == NULL) return Z_STREAM_ERROR;
if (zwd->zbd) {

8
zlibWrapper/zstd_zlibwrapper.h
View File

@ -45,10 +45,13 @@ int ZWRAP_isUsingZSTDcompression(void);
as this case is automatically detected. */
int ZWRAP_setPledgedSrcSize(z_streamp strm, unsigned long long pledgedSrcSize);
/* similar to deflateReset but preserves dictionary set using deflateSetDictionary */
/* Similar to deflateReset but preserves dictionary set using deflateSetDictionary.
It should improve compression speed because there will be less calls to deflateSetDictionary
When using zlib compression this method redirects to deflateReset. */
int ZWRAP_deflateResetWithoutDict(z_streamp strm);
/*** DECOMPRESSION ***/
typedef enum { ZWRAP_FORCE_ZLIB, ZWRAP_AUTO } ZWRAP_decompress_type;
@ -62,7 +65,8 @@ ZWRAP_decompress_type ZWRAP_getDecompressionType(void);
int ZWRAP_isUsingZSTDdecompression(z_streamp strm);
/* Similar to inflateReset but preserves dictionary set using inflateSetDictionary.
inflate() will return Z_NEED_DICT only for the first time. */
inflate() will return Z_NEED_DICT only for the first time what will improve decompression speed.
For zlib streams this method redirects to inflateReset. */
int ZWRAP_inflateResetWithoutDict(z_streamp strm);