facebook/zstd
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fixed comment, as suggested by @terrelln

Browse Source
This commit is contained in:
Yann Collet 2017-11-21 10:26:17 -08:00
parent 899f2a29f6
commit 4154aec679
2 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
doc/zstd_manual.html
View File

@ -111,7 +111,7 @@ unsigned long long ZSTD_getFrameContentSize(const void *src, size_t srcSize);
@return : content size to be decompressed, as a 64-bits value _if known and not empty_, 0 otherwise. @return : content size to be decompressed, as a 64-bits value _if known and not empty_, 0 otherwise.
</p></pre><BR> </p></pre><BR>
<h3>Helper functions</h3><pre></pre><b><pre>#define ZSTD_COMPRESSBOUND(srcSize) ((srcSize) + ((srcSize)>>8) + (((srcSize) < 128 KB) ? ((128 KB - (srcSize)) >> 11) </b>/* margin, from 64 to 0 */ : 0)) /* this formula ensures that bound(A) + bound(B) <= bound(A+B) as long as A and B >= 128 KB */<b> <h3>Helper functions</h3><pre></pre><b><pre>#define ZSTD_COMPRESSBOUND(srcSize) ((srcSize) + ((srcSize)>>8) + (((srcSize) < (128<<10)) ? (((128<<10) - (srcSize)) >> 11) </b>/* margin, from 64 to 0 */ : 0)) /* this formula ensures that bound(A) + bound(B) <= bound(A+B) as long as A and B >= 128 KB */<b>
size_t ZSTD_compressBound(size_t srcSize); </b>/*!< maximum compressed size in worst case scenario */<b> size_t ZSTD_compressBound(size_t srcSize); </b>/*!< maximum compressed size in worst case scenario */<b>
unsigned ZSTD_isError(size_t code); </b>/*!< tells if a `size_t` function result is an error code */<b> unsigned ZSTD_isError(size_t code); </b>/*!< tells if a `size_t` function result is an error code */<b>
const char* ZSTD_getErrorName(size_t code); </b>/*!< provides readable string from an error code */<b> const char* ZSTD_getErrorName(size_t code); </b>/*!< provides readable string from an error code */<b>
@ -906,7 +906,8 @@ size_t ZSTD_decodingBufferSize_min(unsigned long long windowSize, unsigned long
<pre><b>size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned value); <pre><b>size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, unsigned value);
</b><p> Set one compression parameter, selected by enum ZSTD_cParameter. </b><p> Set one compression parameter, selected by enum ZSTD_cParameter.
Note : when `value` is an enum, cast it to unsigned for proper type checking. Note : when `value` is an enum, cast it to unsigned for proper type checking.
@result : 0, or an error code (which can be tested with ZSTD_isError()). @result : informational value (typically, the one being set, possibly corrected),
or an error code (which can be tested with ZSTD_isError()).
</p></pre><BR> </p></pre><BR>
<pre><b>size_t ZSTD_CCtx_setPledgedSrcSize(ZSTD_CCtx* cctx, unsigned long long pledgedSrcSize); <pre><b>size_t ZSTD_CCtx_setPledgedSrcSize(ZSTD_CCtx* cctx, unsigned long long pledgedSrcSize);

5
lib/compress/zstd_opt.c
View File

@ -606,7 +606,8 @@ size_t ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
} else { } else {
if (optLevel==0) break; /* gets ~+10% speed for about -0.01 ratio loss */ if (optLevel==0) break; /* gets ~+10% speed for about -0.01 ratio loss */
} }
} } } } } } }
} /* for (cur = 1; cur <= last_pos; cur++) */
best_mlen = opt[last_pos].mlen; best_mlen = opt[last_pos].mlen;
best_off = opt[last_pos].off; best_off = opt[last_pos].off;
@ -661,7 +662,7 @@ _shortestPath: /* cur, last_pos, best_mlen, best_off have to be set */
anchor = ip; anchor = ip;
} } } }
ZSTD_setLog2Prices(optStatePtr); ZSTD_setLog2Prices(optStatePtr);
} /* for (cur=0; cur < last_pos; ) */ } while (ip < ilimit)
/* Save reps for next block */ /* Save reps for next block */
{ int i; for (i=0; i<ZSTD_REP_NUM; i++) seqStorePtr->repToConfirm[i] = rep[i]; } { int i; for (i=0; i<ZSTD_REP_NUM; i++) seqStorePtr->repToConfirm[i] = rep[i]; }