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Add xxhash
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wheremyfoodat
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3606c005c5
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84 changed files with 66504 additions and 3 deletions
214
third_party/xxhash/cli/xsum_config.h
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214
third_party/xxhash/cli/xsum_config.h
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/*
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* xxhsum - Command line interface for xxhash algorithms
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* Copyright (C) 2013-2021 Yann Collet
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*
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* GPL v2 License
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* You can contact the author at:
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* - xxHash homepage: https://www.xxhash.com
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* - xxHash source repository: https://github.com/Cyan4973/xxHash
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*/
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/*
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* This contains various configuration parameters and feature detection for
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* xxhsum.
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*
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* Similar to config.h in Autotools, this should be the first header included.
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*/
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#ifndef XSUM_CONFIG_H
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#define XSUM_CONFIG_H
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/* ************************************
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* Compiler Options
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**************************************/
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/*
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* Disable Visual C's warnings when using the "insecure" CRT functions instead
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* of the "secure" _s functions.
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*
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* These functions are not portable, and aren't necessary if you are using the
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* original functions properly.
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*/
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#if defined(_MSC_VER) || defined(_WIN32)
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# ifndef _CRT_SECURE_NO_WARNINGS
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# define _CRT_SECURE_NO_WARNINGS
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# endif
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#endif
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/* Under Linux at least, pull in the *64 commands */
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#ifndef _LARGEFILE64_SOURCE
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# define _LARGEFILE64_SOURCE
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#endif
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#ifndef _FILE_OFFSET_BITS
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# define _FILE_OFFSET_BITS 64
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#endif
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/*
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* So we can use __attribute__((__format__))
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*/
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#ifdef __GNUC__
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# define XSUM_ATTRIBUTE(x) __attribute__(x)
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#else
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# define XSUM_ATTRIBUTE(x)
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#endif
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#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \
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|| defined(__midipix__) || defined(__VMS))
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# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1-2001 (SUSv3) conformant */ \
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|| defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* BSD distros */
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# define XSUM_PLATFORM_POSIX_VERSION 200112L
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# else
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# if defined(__linux__) || defined(__linux)
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# ifndef _POSIX_C_SOURCE
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# define _POSIX_C_SOURCE 200112L /* use feature test macro */
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# endif
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# endif
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# include <unistd.h> /* declares _POSIX_VERSION */
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# if defined(_POSIX_VERSION) /* POSIX compliant */
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# define XSUM_PLATFORM_POSIX_VERSION _POSIX_VERSION
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# else
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# define XSUM_PLATFORM_POSIX_VERSION 0
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# endif
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# endif
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#endif
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#if !defined(XSUM_PLATFORM_POSIX_VERSION)
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# define XSUM_PLATFORM_POSIX_VERSION -1
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#endif
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#if !defined(S_ISREG)
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# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
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#endif
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/* ************************************
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* Windows helpers
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**************************************/
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/*
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* Whether to use the Windows UTF-16 APIs instead of the portable libc 8-bit
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* ("ANSI") APIs.
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*
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* Windows is not UTF-8 clean by default, and the only way to access every file
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* on the OS is to use UTF-16.
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*
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* Do note that xxhsum uses UTF-8 internally and only uses UTF-16 for command
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* line arguments, console I/O, and opening files.
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*
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* Additionally, this guarantees all piped output is UTF-8.
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*/
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#if defined(XSUM_WIN32_USE_WCHAR) && !defined(_WIN32)
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/* We use Windows APIs, only use this on Windows. */
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# undef XSUM_WIN32_USE_WCHAR
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#endif
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#ifndef XSUM_WIN32_USE_WCHAR
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# if defined(_WIN32)
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# include <wchar.h>
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# if WCHAR_MAX == 0xFFFFU /* UTF-16 wchar_t */
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# define XSUM_WIN32_USE_WCHAR 1
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# else
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# define XSUM_WIN32_USE_WCHAR 0
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# endif
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# else
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# define XSUM_WIN32_USE_WCHAR 0
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# endif
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#endif
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#if !XSUM_WIN32_USE_WCHAR
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/*
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* It doesn't make sense to have one without the other.
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* Due to XSUM_WIN32_USE_WCHAR being undef'd, this also handles
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* non-WIN32 platforms.
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*/
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# undef XSUM_WIN32_USE_WMAIN
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# define XSUM_WIN32_USE_WMAIN 0
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#else
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/*
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* Whether to use wmain() or main().
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*
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* wmain() is preferred because we don't have to mess with internal hidden
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* APIs.
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*
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* It always works on MSVC, but in MinGW, it only works on MinGW-w64 with the
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* -municode flag.
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*
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* Therefore we have to use main() -- there is no better option.
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*/
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# ifndef XSUM_WIN32_USE_WMAIN
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# if defined(_UNICODE) || defined(UNICODE) /* MinGW -municode */ \
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|| defined(_MSC_VER) /* MSVC */
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# define XSUM_WIN32_USE_WMAIN 1
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# else
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# define XSUM_WIN32_USE_WMAIN 0
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# endif
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# endif
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/*
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* It is always good practice to define these to prevent accidental use of the
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* ANSI APIs, even if the program primarily uses UTF-8.
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*/
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# ifndef _UNICODE
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# define _UNICODE
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# endif
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# ifndef UNICODE
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# define UNICODE
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# endif
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#endif /* XSUM_WIN32_USE_WCHAR */
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#ifndef XSUM_API
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# ifdef XXH_INLINE_ALL
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# define XSUM_API static
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# else
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# define XSUM_API
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# endif
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#endif
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#ifndef XSUM_NO_TESTS
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# define XSUM_NO_TESTS 0
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#endif
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/* ***************************
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* Basic types
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* ***************************/
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#if defined(__cplusplus) /* C++ */ \
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|| (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) /* C99 */
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# include <stdint.h>
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typedef uint8_t XSUM_U8;
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typedef uint32_t XSUM_U32;
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typedef uint64_t XSUM_U64;
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# else
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# include <limits.h>
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typedef unsigned char XSUM_U8;
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# if UINT_MAX == 0xFFFFFFFFUL
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typedef unsigned int XSUM_U32;
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# else
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typedef unsigned long XSUM_U32;
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# endif
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typedef unsigned long long XSUM_U64;
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#endif /* not C++/C99 */
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/* ***************************
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* Common constants
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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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#endif /* XSUM_CONFIG_H */
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