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fixed : Visual build compressing stdin with multi-threading enabled fails

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It was multiple reasons stacked :
- Visual use a different code path, because ZSTD_NEWAPI is not defined
- fileio.c sends `0` as `pledgedSrcSize` to mean `ZSTD_CONTENTSIZE_UNKNOWN`  (fixed)
- ZSTDMT_resetCCtx() interpreted `0` as "empty" instead of "unknown" (fixed)
This commit is contained in:
Yann Collet
2017-10-17 14:07:43 -07:00
parent 13bfe885aa
commit 32c9f715ae
4 changed files with 10 additions and 7 deletions
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6
programs/fileio.c
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@@ -817,11 +817,11 @@ static int FIO_compressFilename_internal(cRess_t ress,
/* init */
#ifdef ZSTD_NEWAPI
if (fileSize!=0) /* when src is stdin, fileSize==0, but is effectively unknown */
ZSTD_CCtx_setPledgedSrcSize(ress.cctx, fileSize); /* note : fileSize==0 means "empty" */
ZSTD_CCtx_setPledgedSrcSize(ress.cctx, fileSize);
#elif defined(ZSTD_MULTITHREAD)
CHECK( ZSTDMT_resetCStream(ress.cctx, fileSize) ); /* note : fileSize==0 means "unknown" */
CHECK( ZSTDMT_resetCStream(ress.cctx, fileSize ? fileSize : ZSTD_CONTENTSIZE_UNKNOWN) );
#else
CHECK( ZSTD_resetCStream(ress.cctx, fileSize) ); /* note : fileSize==0 means "unknown" */
CHECK( ZSTD_resetCStream(ress.cctx, fileSize ? fileSize : ZSTD_CONTENTSIZE_UNKNOWN) );
#endif
/* Main compression loop */