// Globals.h
// This file gets included from every module in the project, so that global symbols may be introduced easily
// Also used for precompiled header generation in MSVC environments
// Compiler-dependent stuff:
#if defined(_MSC_VER)
// MSVC produces warning C4481 on the override keyword usage, so disable the warning altogether
#pragma warning(disable:4481)
// Disable some warnings that we don't care about:
#pragma warning(disable:4100)
#define OBSOLETE __declspec(deprecated)
// No alignment needed in MSVC
#define ALIGN_8
#define ALIGN_16
#define FORMATSTRING(formatIndex, va_argsIndex)
// MSVC has its own custom version of zu format
#define SIZE_T_FMT "%Iu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "Iu"
#define SIZE_T_FMT_HEX "%Ix"
#define NORETURN __declspec(noreturn)
// Use non-standard defines in <cmath>
#define _USE_MATH_DEFINES
#elif defined(__GNUC__)
// TODO: Can GCC explicitly mark classes as abstract (no instances can be created)?
#define abstract
// TODO: Can GCC mark virtual methods as overriding (forcing them to have a virtual function of the same signature in the base class)
#define override
#define OBSOLETE __attribute__((deprecated))
#define ALIGN_8 __attribute__((aligned(8)))
#define ALIGN_16 __attribute__((aligned(16)))
// Some portability macros :)
#define stricmp strcasecmp
#define FORMATSTRING(formatIndex, va_argsIndex) __attribute__((format (printf, formatIndex, va_argsIndex)))
#if defined(_WIN32)
// We're compiling on MinGW, which uses an old MSVCRT library that has no support for size_t printfing.
// We need direct size formats:
#if defined(_WIN64)
#define SIZE_T_FMT "%I64u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "I64u"
#define SIZE_T_FMT_HEX "%I64x"
#else
#define SIZE_T_FMT "%u"
#define SIZE_T_FMT_PRECISION(x) "%" #x "u"
#define SIZE_T_FMT_HEX "%x"
#endif
#else
// We're compiling on Linux, so we can use libc's size_t printf format:
#define SIZE_T_FMT "%zu"
#define SIZE_T_FMT_PRECISION(x) "%" #x "zu"
#define SIZE_T_FMT_HEX "%zx"
#endif
#define NORETURN __attribute((__noreturn__))
#else
#error "You are using an unsupported compiler, you might need to #define some stuff here for your compiler"
/*
// Copy and uncomment this into another #elif section based on your compiler identification
// Explicitly mark classes as abstract (no instances can be created)
#define abstract
// Mark virtual methods as overriding (forcing them to have a virtual function of the same signature in the base class)
#define override
// Mark functions as obsolete, so that their usage results in a compile-time warning
#define OBSOLETE
// Mark types / variables for alignment. Do the platforms need it?
#define ALIGN_8
#define ALIGN_16
*/
#endif
// Integral types with predefined sizes:
typedef long long Int64;
typedef int Int32;
typedef short Int16;
typedef unsigned long long UInt64;
typedef unsigned int UInt32;
typedef unsigned short UInt16;
typedef unsigned char Byte;
// A macro to disallow the copy constructor and operator= functions
// This should be used in the private: declarations for any class that shouldn't allow copying itself
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
TypeName(const TypeName &); \
void operator=(const TypeName &)
// A macro that is used to mark unused function parameters, to avoid pedantic warnings in gcc
#define UNUSED(X) (void)(X)
// OS-dependent stuff:
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#define _WIN32_WINNT 0x502 // We want to target WinXP SP2 and higher
#include <Windows.h>
#include <winsock2.h>
#include <Ws2tcpip.h> // IPv6 stuff
// Windows SDK defines min and max macros, messing up with our std::min and std::max usage
#undef min
#undef max
// Windows SDK defines GetFreeSpace as a constant, probably a Win16 API remnant
#ifdef GetFreeSpace
#undef GetFreeSpace
#endif // GetFreeSpace
#else
#include <sys/types.h>
#include <sys/stat.h> // for mkdir
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <time.h>
#include <dirent.h>
#include <errno.h>
#include <iostream>
#include <cstdio>
#include <cstring>
#include <pthread.h>
#include <semaphore.h>
#include <errno.h>
#include <fcntl.h>
#endif
// CRT stuff:
#include <sys/stat.h>
#include <assert.h>
#include <stdio.h>
#include <math.h>
#include <stdarg.h>
#include <time.h>
// STL stuff:
#include <vector>
#include <list>
#include <deque>
#include <string>
#include <map>
#include <algorithm>
#include <memory>
// Common headers (part 1, without macros):
#include "StringUtils.h"
#include "OSSupport/CriticalSection.h"
#include "OSSupport/File.h"
#include "OSSupport/Event.h"
#include "Logger.h"
// Common definitions:
/** Evaluates to the number of elements in an array (compile-time!) */
#define ARRAYCOUNT(X) (sizeof(X) / sizeof(*(X)))
/** Allows arithmetic expressions like "32 KiB" (but consider using parenthesis around it, "(32 KiB)") */
#define KiB * 1024
/** Faster than (int)floorf((float)x / (float)div) */
#define FAST_FLOOR_DIV(x, div) ((x) < 0 ? (((int)x / div) - 1) : ((int)x / div))
// Own version of assert() that writes failed assertions to the log for review
#ifdef NDEBUG
#define ASSERT(x) ((void)0)
#else
#define ASSERT assert
#endif
// Pretty much the same as ASSERT() but stays in Release builds
#define VERIFY(x) (!!(x) || (LOGERROR("Verification failed: %s, file %s, line %i", #x, __FILE__, __LINE__), exit(1), 0))