ddidderr/zstd-rs
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Merge remote-tracking branch 'refs/remotes/facebook/dev' into dev11

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This commit is contained in:
Przemyslaw Skibinski
2016-11-03 11:38:04 +01:00
parent 26306fcacf 861cd06ded
commit 1f60eb6b17
11 changed files with 100 additions and 74 deletions
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programs/fileio.c
+12 -30
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@@ -8,16 +8,6 @@
*/
/* *************************************
* Tuning options
***************************************/
#ifndef ZSTD_LEGACY_SUPPORT
/* LEGACY_SUPPORT :
* decompressor can decode older formats (starting from zstd 0.1+) */
# define ZSTD_LEGACY_SUPPORT 1
#endif
/* *************************************
* Compiler Options
***************************************/
@@ -29,6 +19,7 @@
# define _POSIX_SOURCE 1 /* disable %llu warnings with MinGW on Windows */
#endif
/*-*************************************
* Includes
***************************************/
@@ -44,10 +35,6 @@
#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_magicNumber, ZSTD_frameHeaderSize_max */
#include "zstd.h"
#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT==1)
# include "zstd_legacy.h" /* ZSTD_isLegacy */
#endif
/*-*************************************
* OS-specific Includes
@@ -638,7 +625,7 @@ unsigned long long FIO_decompressFrame(dRess_t ress,
@return : 0 (no error) */
static unsigned FIO_passThrough(FILE* foutput, FILE* finput, void* buffer, size_t bufferSize)
{
size_t const blockSize = MIN (64 KB, bufferSize);
size_t const blockSize = MIN(64 KB, bufferSize);
size_t readFromInput = 1;
unsigned storedSkips = 0;
@@ -686,21 +673,16 @@ static int FIO_decompressSrcFile(dRess_t ress, const char* srcFileName)
}
readSomething = 1; /* there is at least >= 4 bytes in srcFile */
if (sizeCheck != toRead) { DISPLAY("zstd: %s: unknown header \n", srcFileName); fclose(srcFile); return 1; } /* srcFileName is empty */
{ U32 const magic = MEM_readLE32(ress.srcBuffer);
if (((magic & 0xFFFFFFF0U) != ZSTD_MAGIC_SKIPPABLE_START) & (magic != ZSTD_MAGICNUMBER)
#if defined(ZSTD_LEGACY_SUPPORT) && (ZSTD_LEGACY_SUPPORT >= 1)
& (!ZSTD_isLegacy(ress.srcBuffer, toRead))
#endif
) {
if ((g_overwrite) && !strcmp (srcFileName, stdinmark)) { /* pass-through mode */
unsigned const result = FIO_passThrough(dstFile, srcFile, ress.srcBuffer, ress.srcBufferSize);
if (fclose(srcFile)) EXM_THROW(32, "zstd: %s close error", srcFileName); /* error should never happen */
return result;
} else {
DISPLAYLEVEL(1, "zstd: %s: not in zstd format \n", srcFileName);
fclose(srcFile);
return 1;
} } }
if (!ZSTD_isFrame(ress.srcBuffer, toRead)) {
if ((g_overwrite) && !strcmp (srcFileName, stdinmark)) { /* pass-through mode */
unsigned const result = FIO_passThrough(dstFile, srcFile, ress.srcBuffer, ress.srcBufferSize);
if (fclose(srcFile)) EXM_THROW(32, "zstd: %s close error", srcFileName); /* error should never happen */
return result;
} else {
DISPLAYLEVEL(1, "zstd: %s: not in zstd format \n", srcFileName);
fclose(srcFile);
return 1;
} }
filesize += FIO_decompressFrame(ress, dstFile, srcFile, toRead);
}