mirror of
https://github.com/facebook/zstd.git
synced 2024-11-25 20:17:21 +08:00
improved util.h and platform.h
This commit is contained in:
Przemyslaw Skibinski
parent
f8046b8e72
commit
ead350bdc0
@ -14,6 +14,7 @@
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extern "C" {
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#endif
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/* **************************************
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* Compiler Options
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****************************************/
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@ -24,21 +25,45 @@ extern "C" {
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# define _CRT_SECURE_NO_WARNINGS /* Disable some Visual warning messages for fopen, strncpy */
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# define _CRT_SECURE_NO_DEPRECATE /* VS2005 */
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# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
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# if _MSC_VER <= 1800 /* (1800 = Visual Studio 2013) */
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# if (_MSC_VER <= 1800) /* (1800 = Visual Studio 2013) */
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# define snprintf sprintf_s /* snprintf unsupported by Visual <= 2013 */
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# endif
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# if (_MSC_VER >= 1400) /* Avoid MSVC fseek()'s 2GiB barrier */
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# define fseek _fseeki64
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# endif
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#endif
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/* **************************************
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* Unix Large Files support (>4GB)
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* Detect 64-bit OS
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* http://nadeausoftware.com/articles/2012/02/c_c_tip_how_detect_processor_type_using_compiler_predefined_macros
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****************************************/
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#if !defined(__LP64__) /* No point defining Large file for 64 bit */
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# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */
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# if defined(__sun__) && !defined(_LARGEFILE_SOURCE) /* Sun Solaris 32-bits requires specific definitions */
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# define _LARGEFILE_SOURCE /* fseeko, ftello */
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# elif !defined(_LARGEFILE64_SOURCE)
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# define _LARGEFILE64_SOURCE /* off64_t, fseeko64, ftello64 */
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#if defined __ia64 || defined _M_IA64 /* Intel Itanium */ \
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|| defined __powerpc64__ || defined __ppc64__ || defined __PPC64__ /* POWER 64-bit */ \
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|| (defined __sparc && (defined __sparcv9 || defined __sparc_v9__ || defined __arch64__)) || defined __sparc64__ /* SPARC 64-bit */ \
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|| defined __x86_64__s || defined _M_X64 /* x86 64-bit */ \
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|| defined __arm64__ || defined __aarch64__ || defined __ARM64_ARCH_8__ /* ARM 64-bit */ \
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|| (defined __mips && (__mips == 64 || __mips == 4 || __mips == 3)) /* MIPS 64-bit */ \
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|| defined _LP64 || defined __LP64__ /* NetBSD, OpenBSD */ || defined __64BIT__ /* AIX */ || defined _ADDR64 /* Cray */ \
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|| (defined __SIZEOF_POINTER__ && __SIZEOF_POINTER__ == 8) /* gcc */
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# if !defined(__64BIT__)
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# define __64BIT__ 1
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# endif
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#endif
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/* *********************************************************
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* Turn on Large Files support (>4GB) for 32-bit Linux/Unix
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***********************************************************/
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#if !defined(__64BIT__) /* No point defining Large file for 64 bit */
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# if !defined(_FILE_OFFSET_BITS)
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# define _FILE_OFFSET_BITS 64 /* turn off_t into a 64-bit type for ftello, fseeko */
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# endif
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# if !defined(_LARGEFILE_SOURCE) /* obsolete macro, replaced with _FILE_OFFSET_BITS */
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# define _LARGEFILE_SOURCE 1 /* Large File Support extension (LFS) - fseeko, ftello */
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# endif
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# if defined(_AIX) || defined(__hpux)
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# define _LARGE_FILES /* Large file support on 32-bits AIX and HP-UX */
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# endif
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#endif
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@ -49,10 +74,10 @@ extern "C" {
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* PLATFORM_POSIX_VERSION = 0 for Unix-like non-POSIX
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* PLATFORM_POSIX_VERSION >= 1 is equal to found _POSIX_VERSION
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***************************************************************/
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#if !defined(_WIN32) && (defined(__unix__) || defined(__unix) || (defined(__APPLE__) && defined(__MACH__)) || defined(__midipix__) || defined(__VMS))
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/* UNIX-style OS. ------------------------------------------- */
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# if (defined(__APPLE__) && defined(__MACH__)) || defined(__SVR4) || defined(_AIX) || defined(__hpux) \
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|| defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) /* POSIX.1–2001 (SUSv3) conformant */
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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 PLATFORM_POSIX_VERSION 200112L
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# else
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# if defined(__linux__) || defined(__linux)
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@ -66,12 +91,45 @@ extern "C" {
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# endif
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# endif
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#endif
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#if !defined(PLATFORM_POSIX_VERSION)
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# define PLATFORM_POSIX_VERSION -1
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#endif
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/*-*********************************************
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* Detect if isatty() and fileno() are available
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************************************************/
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#if (defined(__linux__) && (PLATFORM_POSIX_VERSION >= 1)) || (PLATFORM_POSIX_VERSION >= 200112L) || defined(__DJGPP__)
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# define IS_CONSOLE(stdStream) isatty(fileno(stdStream))
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#elif defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__)
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# include <io.h> /* _isatty */
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# define IS_CONSOLE(stdStream) _isatty(_fileno(stdStream))
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#else
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# define IS_CONSOLE(stdStream) 0
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#endif
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/******************************
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* OS-specific Includes
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******************************/
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#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(_WIN32)
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# include <fcntl.h> /* _O_BINARY */
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# include <io.h> /* _setmode, _fileno, _get_osfhandle */
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# if !defined(__DJGPP__)
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# include <windows.h> /* DeviceIoControl, HANDLE, FSCTL_SET_SPARSE */
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# include <winioctl.h> /* FSCTL_SET_SPARSE */
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# define SET_BINARY_MODE(file) { int unused=_setmode(_fileno(file), _O_BINARY); (void)unused; }
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# define SET_SPARSE_FILE_MODE(file) { DWORD dw; DeviceIoControl((HANDLE) _get_osfhandle(_fileno(file)), FSCTL_SET_SPARSE, 0, 0, 0, 0, &dw, 0); }
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# else
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# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
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# define SET_SPARSE_FILE_MODE(file)
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# endif
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#else
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# define SET_BINARY_MODE(file)
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# define SET_SPARSE_FILE_MODE(file)
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#endif
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#if defined (__cplusplus)
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}
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@ -1,11 +1,21 @@
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/**
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* Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/*
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util.h - utility functions
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Copyright (C) 2016-present, Przemyslaw Skibinski, Yann Collet
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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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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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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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#ifndef UTIL_H_MODULE
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#define UTIL_H_MODULE
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@ -20,6 +30,7 @@ extern "C" {
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******************************************/
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#include "platform.h" /* Compiler options, PLATFORM_POSIX_VERSION */
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#include <stdlib.h> /* malloc */
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#include <stddef.h> /* size_t, ptrdiff_t */
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#include <stdio.h> /* fprintf */
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#include <sys/types.h> /* stat, utime */
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#include <sys/stat.h> /* stat */
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@ -32,27 +43,6 @@ extern "C" {
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#endif
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#include <time.h> /* time */
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#include <errno.h>
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#include "mem.h" /* U32, U64 */
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/* *************************************
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* Constants
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***************************************/
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#define LIST_SIZE_INCREASE (8*1024)
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/*-****************************************
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* Compiler specifics
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******************************************/
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#if defined(__GNUC__)
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# define UTIL_STATIC static __attribute__((unused))
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#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
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# define UTIL_STATIC static inline
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#elif defined(_MSC_VER)
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# define UTIL_STATIC static __inline
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#else
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# define UTIL_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
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#endif
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/*-****************************************
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@ -85,6 +75,49 @@ extern "C" {
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#endif
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/* *************************************
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* Constants
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***************************************/
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#define LIST_SIZE_INCREASE (8*1024)
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/*-**************************************************************
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* Basic Types
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*****************************************************************/
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#if !defined (__VMS) && (defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */) )
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# include <stdint.h>
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typedef uint8_t BYTE;
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typedef uint16_t U16;
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typedef int16_t S16;
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typedef uint32_t U32;
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typedef int32_t S32;
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typedef uint64_t U64;
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typedef int64_t S64;
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#else
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typedef unsigned char BYTE;
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typedef unsigned short U16;
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typedef signed short S16;
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typedef unsigned int U32;
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typedef signed int S32;
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typedef unsigned long long U64;
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typedef signed long long S64;
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#endif
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/*-****************************************
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* Compiler specifics
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******************************************/
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#if defined(__GNUC__)
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# define UTIL_STATIC static __attribute__((unused))
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#elif defined (__cplusplus) || (defined (__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 */)
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# define UTIL_STATIC static inline
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#elif defined(_MSC_VER)
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# define UTIL_STATIC static __inline
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#else
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# define UTIL_STATIC static /* this version may generate warnings for unused static functions; disable the relevant warning */
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#endif
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/*-****************************************
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* Time functions
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******************************************/
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@ -303,6 +336,7 @@ UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_
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#elif defined(__linux__) || (PLATFORM_POSIX_VERSION >= 200112L) /* opendir, readdir require POSIX.1-2001 */
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# define UTIL_HAS_CREATEFILELIST
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# include <dirent.h> /* opendir, readdir */
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# include <string.h> /* strerror, memcpy */
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UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_t* pos, char** bufEnd)
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{
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@ -364,7 +398,7 @@ UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_
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UTIL_STATIC int UTIL_prepareFileList(const char *dirName, char** bufStart, size_t* pos, char** bufEnd)
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{
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(void)bufStart; (void)bufEnd; (void)pos;
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fprintf(stderr, "Directory %s ignored (zstd compiled without _WIN32 or _POSIX_C_SOURCE)\n", dirName);
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fprintf(stderr, "Directory %s ignored (compiled without _WIN32 or _POSIX_C_SOURCE)\n", dirName);
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return 0;
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}
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