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changed variable name, for clarity

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fhiPtr -> zfhPtr
https://github.com/facebook/zstd/pull/689#discussion_r115638676
This commit is contained in:
Yann Collet 2017-05-10 11:14:08 -07:00
parent 669346fe8b
commit cef02d9317
3 changed files with 11 additions and 11 deletions
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2
doc/zstd_manual.html
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@ -646,7 +646,7 @@ size_t ZSTD_copyCCtx(ZSTD_CCtx* cctx, const ZSTD_CCtx* preparedCCtx, unsigned lo
It also returns Frame Size as fparamsPtr->frameContentSize.
<BR></pre>
<h3>Buffer-less streaming decompression functions</h3><pre></pre><b><pre>size_t ZSTD_getFrameHeader(ZSTD_frameHeader* fparamsPtr, const void* src, size_t srcSize); </b>/**< doesn't consume input, see details below */<b>
<h3>Buffer-less streaming decompression functions</h3><pre></pre><b><pre>size_t ZSTD_getFrameHeader(ZSTD_frameHeader* zfhPtr, const void* src, size_t srcSize); </b>/**< doesn't consume input, see details below */<b>
size_t ZSTD_decompressBegin(ZSTD_DCtx* dctx);
size_t ZSTD_decompressBegin_usingDict(ZSTD_DCtx* dctx, const void* dict, size_t dictSize);
void ZSTD_copyDCtx(ZSTD_DCtx* dctx, const ZSTD_DCtx* preparedDCtx);

18
lib/decompress/zstd_decompress.c
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@ -221,10 +221,10 @@ static size_t ZSTD_frameHeaderSize(const void* src, size_t srcSize)
/** ZSTD_getFrameHeader() :
* decode Frame Header, or require larger `srcSize`.
* @return : 0, `fhiPtr` is correctly filled,
* @return : 0, `zfhPtr` is correctly filled,
* >0, `srcSize` is too small, result is expected `srcSize`,
* or an error code, which can be tested using ZSTD_isError() */
size_t ZSTD_getFrameHeader(ZSTD_frameHeader* fhiPtr, const void* src, size_t srcSize)
size_t ZSTD_getFrameHeader(ZSTD_frameHeader* zfhPtr, const void* src, size_t srcSize)
{
const BYTE* ip = (const BYTE*)src;
if (srcSize < ZSTD_frameHeaderSize_prefix) return ZSTD_frameHeaderSize_prefix;
@ -233,9 +233,9 @@ size_t ZSTD_getFrameHeader(ZSTD_frameHeader* fhiPtr, const void* src, size_t src
if ((MEM_readLE32(src) & 0xFFFFFFF0U) == ZSTD_MAGIC_SKIPPABLE_START) {
/* skippable frame */
if (srcSize < ZSTD_skippableHeaderSize) return ZSTD_skippableHeaderSize; /* magic number + skippable frame length */
memset(fhiPtr, 0, sizeof(*fhiPtr));
fhiPtr->frameContentSize = MEM_readLE32((const char *)src + 4);
fhiPtr->windowSize = 0; /* windowSize==0 means a frame is skippable */
memset(zfhPtr, 0, sizeof(*zfhPtr));
zfhPtr->frameContentSize = MEM_readLE32((const char *)src + 4);
zfhPtr->windowSize = 0; /* windowSize==0 means a frame is skippable */
return 0;
}
return ERROR(prefix_unknown);
@ -282,10 +282,10 @@ size_t ZSTD_getFrameHeader(ZSTD_frameHeader* fhiPtr, const void* src, size_t src
}
if (!windowSize) windowSize = (U32)frameContentSize;
if (windowSize > windowSizeMax) return ERROR(frameParameter_windowTooLarge);
fhiPtr->frameContentSize = frameContentSize;
fhiPtr->windowSize = windowSize;
fhiPtr->dictID = dictID;
fhiPtr->checksumFlag = checksumFlag;
zfhPtr->frameContentSize = frameContentSize;
zfhPtr->windowSize = windowSize;
zfhPtr->dictID = dictID;
zfhPtr->checksumFlag = checksumFlag;
}
return 0;
}

2
lib/zstd.h
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@ -750,7 +750,7 @@ ZSTDLIB_API size_t ZSTD_compressEnd(ZSTD_CCtx* cctx, void* dst, size_t dstCapaci
*/
/*===== Buffer-less streaming decompression functions =====*/
ZSTDLIB_API size_t ZSTD_getFrameHeader(ZSTD_frameHeader* fparamsPtr, const void* src, size_t srcSize); /**< doesn't consume input, see details below */
ZSTDLIB_API size_t ZSTD_getFrameHeader(ZSTD_frameHeader* zfhPtr, const void* src, size_t srcSize); /**< doesn't consume input, see details below */
ZSTDLIB_API size_t ZSTD_decompressBegin(ZSTD_DCtx* dctx);
ZSTDLIB_API size_t ZSTD_decompressBegin_usingDict(ZSTD_DCtx* dctx, const void* dict, size_t dictSize);
ZSTDLIB_API void ZSTD_copyDCtx(ZSTD_DCtx* dctx, const ZSTD_DCtx* preparedDCtx);