mirror of
https://github.com/facebook/zstd.git
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122 lines
4.9 KiB
C
122 lines
4.9 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#ifndef ZSTD_FILEIO_COMMON_H
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#define ZSTD_FILEIO_COMMON_H
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#include "../lib/common/mem.h" /* U32, U64 */
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#include "fileio_types.h"
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#include "platform.h"
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#include "timefn.h" /* UTIL_getTime, UTIL_clockSpanMicro */
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/*-*************************************
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* Macros
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***************************************/
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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#undef MAX
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#define MAX(a,b) ((a)>(b) ? (a) : (b))
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#undef MIN /* in case it would be already defined */
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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extern FIO_display_prefs_t g_display_prefs;
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#define DISPLAY_F(f, ...) fprintf((f), __VA_ARGS__)
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#define DISPLAYOUT(...) DISPLAY_F(stdout, __VA_ARGS__)
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#define DISPLAY(...) DISPLAY_F(stderr, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) { if (g_display_prefs.displayLevel>=l) { DISPLAY(__VA_ARGS__); } }
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extern UTIL_time_t g_displayClock;
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#define REFRESH_RATE ((U64)(SEC_TO_MICRO / 6))
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#define READY_FOR_UPDATE() (UTIL_clockSpanMicro(g_displayClock) > REFRESH_RATE || g_display_prefs.displayLevel >= 4)
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#define DELAY_NEXT_UPDATE() { g_displayClock = UTIL_getTime(); }
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#define DISPLAYUPDATE(l, ...) { \
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if (g_display_prefs.displayLevel>=l && (g_display_prefs.progressSetting != FIO_ps_never)) { \
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if (READY_FOR_UPDATE()) { \
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DELAY_NEXT_UPDATE(); \
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DISPLAY(__VA_ARGS__); \
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if (g_display_prefs.displayLevel>=4) fflush(stderr); \
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} } }
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#define SHOULD_DISPLAY_SUMMARY() \
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(g_display_prefs.displayLevel >= 2 || g_display_prefs.progressSetting == FIO_ps_always)
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#define SHOULD_DISPLAY_PROGRESS() \
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(g_display_prefs.progressSetting != FIO_ps_never && SHOULD_DISPLAY_SUMMARY())
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#define DISPLAY_PROGRESS(...) { if (SHOULD_DISPLAY_PROGRESS()) { DISPLAYLEVEL(1, __VA_ARGS__); }}
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#define DISPLAYUPDATE_PROGRESS(...) { if (SHOULD_DISPLAY_PROGRESS()) { DISPLAYUPDATE(1, __VA_ARGS__); }}
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#define DISPLAY_SUMMARY(...) { if (SHOULD_DISPLAY_SUMMARY()) { DISPLAYLEVEL(1, __VA_ARGS__); } }
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#define EXM_THROW(error, ...) \
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{ \
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DISPLAYLEVEL(1, "zstd: "); \
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DISPLAYLEVEL(5, "Error defined at %s, line %i : \n", __FILE__, __LINE__); \
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DISPLAYLEVEL(1, "error %i : ", error); \
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DISPLAYLEVEL(1, __VA_ARGS__); \
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DISPLAYLEVEL(1, " \n"); \
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exit(error); \
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}
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#define CHECK_V(v, f) \
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v = f; \
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if (ZSTD_isError(v)) { \
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DISPLAYLEVEL(5, "%s \n", #f); \
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EXM_THROW(11, "%s", ZSTD_getErrorName(v)); \
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}
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#define CHECK(f) { size_t err; CHECK_V(err, f); }
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/* Avoid fseek()'s 2GiB barrier with MSVC, macOS, *BSD, MinGW */
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#if defined(LIBC_NO_FSEEKO)
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/* Some older libc implementations don't include these functions (e.g. Bionic < 24) */
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# define LONG_SEEK fseek
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# define LONG_TELL ftell
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#elif defined(_MSC_VER) && _MSC_VER >= 1400
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# define LONG_SEEK _fseeki64
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# define LONG_TELL _ftelli64
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#elif !defined(__64BIT__) && (PLATFORM_POSIX_VERSION >= 200112L) /* No point defining Large file for 64 bit */
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# define LONG_SEEK fseeko
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# define LONG_TELL ftello
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#elif defined(__MINGW32__) && !defined(__STRICT_ANSI__) && !defined(__NO_MINGW_LFS) && defined(__MSVCRT__)
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# define LONG_SEEK fseeko64
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# define LONG_TELL ftello64
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#elif defined(_WIN32) && !defined(__DJGPP__)
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# include <windows.h>
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static int LONG_SEEK(FILE* file, __int64 offset, int origin) {
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LARGE_INTEGER off;
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DWORD method;
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off.QuadPart = offset;
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if (origin == SEEK_END)
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method = FILE_END;
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else if (origin == SEEK_CUR)
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method = FILE_CURRENT;
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else
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method = FILE_BEGIN;
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if (SetFilePointerEx((HANDLE) _get_osfhandle(_fileno(file)), off, NULL, method))
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return 0;
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else
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return -1;
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}
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static __int64 LONG_TELL(FILE* file) {
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LARGE_INTEGER off, newOff;
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off.QuadPart = 0;
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newOff.QuadPart = 0;
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SetFilePointerEx((HANDLE) _get_osfhandle(_fileno(file)), off, &newOff, FILE_CURRENT);
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return newOff.QuadPart;
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}
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#else
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# define LONG_SEEK fseek
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# define LONG_TELL ftell
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#endif
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#endif /* ZSTD_FILEIO_COMMON_H */
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