| /* |
| * xxhsum - Command line interface for xxhash algorithms |
| * Copyright (C) 2013-2020 Yann Collet |
| * |
| * GPL v2 License |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * You can contact the author at: |
| * - xxHash homepage: https://www.xxhash.com |
| * - xxHash source repository: https://github.com/Cyan4973/xxHash |
| */ |
| |
| /* |
| * This contains various configuration parameters and feature detection for |
| * xxhsum. |
| * |
| * Similar to config.h in Autotools, this should be the first header included. |
| */ |
| |
| #ifndef XSUM_CONFIG_H |
| #define XSUM_CONFIG_H |
| |
| |
| /* ************************************ |
| * Compiler Options |
| **************************************/ |
| /* |
| * Disable Visual C's warnings when using the "insecure" CRT functions instead |
| * of the "secure" _s functions. |
| * |
| * These functions are not portable, and aren't necessary if you are using the |
| * original functions properly. |
| */ |
| #if defined(_MSC_VER) || defined(_WIN32) |
| # ifndef _CRT_SECURE_NO_WARNINGS |
| # define _CRT_SECURE_NO_WARNINGS |
| # endif |
| #endif |
| |
| /* Under Linux at least, pull in the *64 commands */ |
| #ifndef _LARGEFILE64_SOURCE |
| # define _LARGEFILE64_SOURCE |
| #endif |
| #ifndef _FILE_OFFSET_BITS |
| # define _FILE_OFFSET_BITS 64 |
| #endif |
| |
| /* |
| * So we can use __attribute__((__format__)) |
| */ |
| #ifdef __GNUC__ |
| # define XSUM_ATTRIBUTE(x) __attribute__(x) |
| #else |
| # define XSUM_ATTRIBUTE(x) |
| #endif |
| |
| #if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) /* UNIX-like OS */ \ |
| || defined(__midipix__) || defined(__VMS)) |
| # if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) /* POSIX.1-2001 (SUSv3) conformant */ \ |
| || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* BSD distros */ |
| # define XSUM_PLATFORM_POSIX_VERSION 200112L |
| # else |
| # if defined(__linux__) || defined(__linux) |
| # ifndef _POSIX_C_SOURCE |
| # define _POSIX_C_SOURCE 200112L /* use feature test macro */ |
| # endif |
| # endif |
| # include <unistd.h> /* declares _POSIX_VERSION */ |
| # if defined(_POSIX_VERSION) /* POSIX compliant */ |
| # define XSUM_PLATFORM_POSIX_VERSION _POSIX_VERSION |
| # else |
| # define XSUM_PLATFORM_POSIX_VERSION 0 |
| # endif |
| # endif |
| #endif |
| #if !defined(XSUM_PLATFORM_POSIX_VERSION) |
| # define XSUM_PLATFORM_POSIX_VERSION -1 |
| #endif |
| |
| #if !defined(S_ISREG) |
| # define S_ISREG(x) (((x) & S_IFMT) == S_IFREG) |
| #endif |
| |
| |
| /* ************************************ |
| * Windows helpers |
| **************************************/ |
| |
| /* |
| * Whether to use the Windows UTF-16 APIs instead of the portable libc 8-bit |
| * ("ANSI") APIs. |
| * |
| * Windows is not UTF-8 clean by default, and the only way to access every file |
| * on the OS is to use UTF-16. |
| * |
| * Do note that xxhsum uses UTF-8 internally and only uses UTF-16 for command |
| * line arguments, console I/O, and opening files. |
| * |
| * Additionally, this guarantees all piped output is UTF-8. |
| */ |
| #if defined(XSUM_WIN32_USE_WCHAR) && !defined(_WIN32) |
| /* We use Windows APIs, only use this on Windows. */ |
| # undef XSUM_WIN32_USE_WCHAR |
| #endif |
| |
| #ifndef XSUM_WIN32_USE_WCHAR |
| # if defined(_WIN32) |
| # include <wchar.h> |
| # if WCHAR_MAX == 0xFFFFU /* UTF-16 wchar_t */ |
| # define XSUM_WIN32_USE_WCHAR 1 |
| # else |
| # define XSUM_WIN32_USE_WCHAR 0 |
| # endif |
| # else |
| # define XSUM_WIN32_USE_WCHAR 0 |
| # endif |
| #endif |
| |
| #if !XSUM_WIN32_USE_WCHAR |
| /* |
| * It doesn't make sense to have one without the other. |
| * Due to XSUM_WIN32_USE_WCHAR being undef'd, this also handles |
| * non-WIN32 platforms. |
| */ |
| # undef XSUM_WIN32_USE_WMAIN |
| # define XSUM_WIN32_USE_WMAIN 0 |
| #else |
| /* |
| * Whether to use wmain() or main(). |
| * |
| * wmain() is preferred because we don't have to mess with internal hidden |
| * APIs. |
| * |
| * It always works on MSVC, but in MinGW, it only works on MinGW-w64 with the |
| * -municode flag. |
| * |
| * Therefore we have to use main() -- there is no better option. |
| */ |
| # ifndef XSUM_WIN32_USE_WMAIN |
| # if defined(_UNICODE) || defined(UNICODE) /* MinGW -municode */ \ |
| || defined(_MSC_VER) /* MSVC */ |
| # define XSUM_WIN32_USE_WMAIN 1 |
| # else |
| # define XSUM_WIN32_USE_WMAIN 0 |
| # endif |
| # endif |
| /* |
| * It is always good practice to define these to prevent accidental use of the |
| * ANSI APIs, even if the program primarily uses UTF-8. |
| */ |
| # ifndef _UNICODE |
| # define _UNICODE |
| # endif |
| # ifndef UNICODE |
| # define UNICODE |
| # endif |
| #endif /* XSUM_WIN32_USE_WCHAR */ |
| |
| #ifndef XSUM_API |
| # ifdef XXH_INLINE_ALL |
| # define XSUM_API static |
| # else |
| # define XSUM_API |
| # endif |
| #endif |
| |
| #ifndef XSUM_NO_TESTS |
| # define XSUM_NO_TESTS 0 |
| #endif |
| |
| /* *************************** |
| * Basic types |
| * ***************************/ |
| |
| #if defined(__cplusplus) /* C++ */ \ |
| || (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) /* C99 */ |
| # include <stdint.h> |
| typedef uint8_t XSUM_U8; |
| typedef uint32_t XSUM_U32; |
| typedef uint64_t XSUM_U64; |
| # else |
| # include <limits.h> |
| typedef unsigned char XSUM_U8; |
| # if UINT_MAX == 0xFFFFFFFFUL |
| typedef unsigned int XSUM_U32; |
| # else |
| typedef unsigned long XSUM_U32; |
| # endif |
| typedef unsigned long long XSUM_U64; |
| #endif /* not C++/C99 */ |
| |
| #endif /* XSUM_CONFIG_H */ |