AuroraMiddleware/zstd
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Address comments and make sure all prototypes are rendered by gen_html

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This commit is contained in:
Sean Purcell 2017-04-20 16:48:54 -07:00
parent 0f7bd772e6
commit 35186e65b0
2 changed files with 6 additions and 9 deletions
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7
contrib/seekable_format/zstd_seekable.h
View File

@ -16,8 +16,6 @@ static const unsigned ZSTD_seekTableFooterSize = 9;
/* Limit the maximum size to avoid any potential issues storing the compressed size */
#define ZSTD_SEEKABLE_MAX_FRAME_DECOMPRESSED_SIZE 0x80000000U
#define ZSTD_SEEKABLE_FRAMEINDEX_TOOLARGE (0ULL-2)
/*-****************************************************************************
* Seekable Format
*
@ -137,14 +135,14 @@ ZSTDLIB_API size_t ZSTD_seekable_initFile(ZSTD_seekable* zs, FILE* src);
ZSTDLIB_API size_t ZSTD_seekable_decompress(ZSTD_seekable* zs, void* dst, size_t dstSize, unsigned long long offset);
ZSTDLIB_API size_t ZSTD_seekable_decompressFrame(ZSTD_seekable* zs, void* dst, size_t dstSize, unsigned frameIndex);
#define ZSTD_SEEKABLE_FRAMEINDEX_TOOLARGE (0ULL-2)
/*===== Seek Table access functions =====*/
ZSTDLIB_API unsigned ZSTD_seekable_getNumFrames(ZSTD_seekable* const zs);
ZSTDLIB_API unsigned long long ZSTD_seekable_getFrameCompressedOffset(ZSTD_seekable* const zs, unsigned frameIndex);
ZSTDLIB_API unsigned long long ZSTD_seekable_getFrameDecompressedOffset(ZSTD_seekable* const zs, unsigned frameIndex);
ZSTDLIB_API size_t ZSTD_seekable_getFrameCompressedSize(ZSTD_seekable* const zs, unsigned frameIndex);
ZSTDLIB_API size_t ZSTD_seekable_getFrameDecompressedSize(ZSTD_seekable* const zs, unsigned frameIndex);
ZSTDLIB_API unsigned ZSTD_seekable_offsetToFrame(ZSTD_seekable* const zs, unsigned long long offset);
ZSTDLIB_API unsigned ZSTD_seekable_offsetToFrameIndex(ZSTD_seekable* const zs, unsigned long long offset);
/*===== Seekable advanced I/O API =====*/
typedef int(ZSTD_seekable_read)(void* opaque, void* buffer, size_t n);
@ -154,7 +152,6 @@ typedef struct {
ZSTD_seekable_read* read;
ZSTD_seekable_seek* seek;
} ZSTD_seekable_customFile;
ZSTDLIB_API size_t ZSTD_seekable_initAdvanced(ZSTD_seekable* zs, ZSTD_seekable_customFile src);
#if defined (__cplusplus)

8
contrib/seekable_format/zstdseek_decompress.c
View File

@ -192,11 +192,11 @@ size_t ZSTD_seekable_free(ZSTD_seekable* zs)
return 0;
}
/** ZSTD_seekable_offsetToFrame() :
/** ZSTD_seekable_offsetToFrameIndex() :
* Performs a binary search to find the last frame with a decompressed offset
* <= pos
* @return : the frame's index */
U32 ZSTD_seekable_offsetToFrame(ZSTD_seekable* const zs, U64 pos)
U32 ZSTD_seekable_offsetToFrameIndex(ZSTD_seekable* const zs, U64 pos)
{
U32 lo = 0;
U32 hi = zs->seekTable.tableLen;
@ -373,7 +373,7 @@ size_t ZSTD_seekable_initAdvanced(ZSTD_seekable* zs, ZSTD_seekable_customFile sr
size_t ZSTD_seekable_decompress(ZSTD_seekable* zs, void* dst, size_t len, U64 offset)
{
U32 targetFrame = ZSTD_seekable_offsetToFrame(zs, offset);
U32 targetFrame = ZSTD_seekable_offsetToFrameIndex(zs, offset);
do {
/* check if we can continue from a previous decompress job */
if (targetFrame != zs->curFrame || offset != zs->decompressedOffset) {
@ -422,7 +422,7 @@ size_t ZSTD_seekable_decompress(ZSTD_seekable* zs, void* dst, size_t len, U64 of
if (zs->decompressedOffset < offset + len) {
/* go back to the start and force a reset of the stream */
targetFrame = ZSTD_seekable_offsetToFrame(zs, zs->decompressedOffset);
targetFrame = ZSTD_seekable_offsetToFrameIndex(zs, zs->decompressedOffset);
}
break;
}