From f19f813537c7aea1c20749c914e756b54a9c3cf5 Mon Sep 17 00:00:00 2001 From: Igor Pavlov <87184205+ip7z@users.noreply.github.com> Date: Mon, 27 Dec 2021 00:00:00 +0000 Subject: '21.07' --- CPP/Common/Common.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 CPP/Common/Common.h (limited to 'CPP/Common/Common.h') diff --git a/CPP/Common/Common.h b/CPP/Common/Common.h new file mode 100644 index 0000000..8dac613 --- /dev/null +++ b/CPP/Common/Common.h @@ -0,0 +1,57 @@ +// Common.h + +#ifndef __COMMON_COMMON_H +#define __COMMON_COMMON_H + +/* +This file is included to all cpp files in 7-Zip. +Each folder contains StdAfx.h file that includes "Common.h". +So 7-Zip includes "Common.h" in both modes: + with precompiled StdAfx.h +and + without precompiled StdAfx.h + +If you use 7-Zip code, you must include "Common.h" before other h files of 7-zip. +If you don't need some things that are used in 7-Zip, +you can change this h file or h files included in this file. +*/ + +// compiler pragmas to disable some warnings +#include "../../C/Compiler.h" + +// it's or code that defines windows things, if it's not _WIN32 +#include "MyWindows.h" + +// NewHandler.h and NewHandler.cpp redefine operator new() to throw exceptions, if compiled with old MSVC compilers +#include "NewHandler.h" + + + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + + +/* There is BUG in MSVC 6.0 compiler for operator new[]: + It doesn't check overflow, when it calculates size in bytes for allocated array. + So we can use MY_ARRAY_NEW macro instead of new[] operator. */ + +#if defined(_MSC_VER) && (_MSC_VER == 1200) && !defined(_WIN64) + #define MY_ARRAY_NEW(p, T, size) p = new T[(size > (unsigned)0xFFFFFFFF / sizeof(T)) ? (unsigned)0xFFFFFFFF / sizeof(T) : size]; +#else + #define MY_ARRAY_NEW(p, T, size) p = new T[size]; +#endif + +#if (defined(__GNUC__) && (__GNUC__ >= 8)) + #define MY_ATTR_NORETURN __attribute__((noreturn)) +#elif (defined(__clang__) && (__clang_major__ >= 3)) + #if __has_feature(cxx_attributes) + #define MY_ATTR_NORETURN [[noreturn]] + #else + #define MY_ATTR_NORETURN __attribute__ ((noreturn)) + #endif +#elif (defined(_MSC_VER) && (_MSC_VER >= 1900)) + #define MY_ATTR_NORETURN [[noreturn]] +#else + #define MY_ATTR_NORETURN +#endif + +#endif -- cgit v1.2.3-55-g6feb