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Location: cpp/openttd-patchpack/source/src/stdafx.h
r25348:f05752ac4669
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Fix 3d7ab09: stopped trains not updating viewport hash when reversed for a second time (#9165)
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* This file is part of OpenTTD.
* OpenTTD 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, version 2.
* OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file stdafx.h Definition of base types and functions in a cross-platform compatible way. */
#ifndef STDAFX_H
#define STDAFX_H
#if defined(_WIN32)
/* MinGW defaults to Windows 7 if none of these are set, and they must be set before any MinGW header is included */
# define NTDDI_VERSION NTDDI_WINXP // Windows XP
# define _WIN32_WINNT 0x501 // Windows XP
# define _WIN32_WINDOWS 0x501 // Windows XP
# define WINVER 0x0501 // Windows XP
# define _WIN32_IE_ 0x0600 // 6.0 (XP+)
#endif
#ifdef _MSC_VER
/* Stop Microsoft (and clang-cl) compilers from complaining about potentially-unsafe/potentially-non-standard functions */
# define _CRT_SECURE_NO_DEPRECATE
# define _CRT_SECURE_NO_WARNINGS
# define _CRT_NONSTDC_NO_WARNINGS
#endif
#if defined(__APPLE__)
# include "os/macosx/osx_stdafx.h"
#endif /* __APPLE__ */
#if defined(__HAIKU__)
# include <SupportDefs.h>
# include <unistd.h>
# define _GNU_SOURCE
# define TROUBLED_INTS
#endif
#if defined(__HAIKU__) || defined(__CYGWIN__)
# include <strings.h> /* strncasecmp */
#endif
/* It seems that we need to include stdint.h before anything else
* We need INT64_MAX, which for most systems comes from stdint.h. However, MSVC
* does not have stdint.h.
* For OSX the inclusion is already done in osx_stdafx.h. */
#if !defined(__APPLE__) && (!defined(_MSC_VER) || _MSC_VER >= 1600)
# if defined(SUNOS)
/* SunOS/Solaris does not have stdint.h, but inttypes.h defines everything
* stdint.h defines and we need. */
# include <inttypes.h>
# else
# define __STDC_LIMIT_MACROS
# include <stdint.h>
# endif
#endif
/* The conditions for these constants to be available are way too messy; so check them one by one */
#if !defined(UINT64_MAX)
# define UINT64_MAX (18446744073709551615ULL)
#endif
#if !defined(INT64_MAX)
# define INT64_MAX (9223372036854775807LL)
#endif
#if !defined(INT64_MIN)
# define INT64_MIN (-INT64_MAX - 1)
#endif
#if !defined(UINT32_MAX)
# define UINT32_MAX (4294967295U)
#endif
#if !defined(INT32_MAX)
# define INT32_MAX (2147483647)
#endif
#if !defined(INT32_MIN)
# define INT32_MIN (-INT32_MAX - 1)
#endif
#if !defined(UINT16_MAX)
# define UINT16_MAX (65535U)
#endif
#if !defined(INT16_MAX)
# define INT16_MAX (32767)
#endif
#if !defined(INT16_MIN)
# define INT16_MIN (-INT16_MAX - 1)
#endif
#if !defined(UINT8_MAX)
# define UINT8_MAX (255)
#endif
#if !defined(INT8_MAX)
# define INT8_MAX (127)
#endif
#if !defined(INT8_MIN)
# define INT8_MIN (-INT8_MAX - 1)
#endif
#include <algorithm>
#include <cstdio>
#include <cstddef>
#include <cstring>
#include <cstdlib>
#include <climits>
#include <cassert>
#include <memory>
#include <string>
#ifndef SIZE_MAX
# define SIZE_MAX ((size_t)-1)
#endif
#if defined(UNIX) || defined(__MINGW32__)
# include <sys/types.h>
#endif
#if defined(__OS2__)
# include <types.h>
# define strcasecmp stricmp
#endif
#if defined(SUNOS) || defined(HPUX) || defined(__CYGWIN__)
# include <alloca.h>
#endif
/* Stuff for GCC */
#if defined(__GNUC__) || (defined(__clang__) && !defined(_MSC_VER))
# define NORETURN __attribute__ ((noreturn))
# define CDECL
# define __int64 long long
/* Warn about functions using 'printf' format syntax. First argument determines which parameter
* is the format string, second argument is start of values passed to printf. */
# define WARN_FORMAT(string, args) __attribute__ ((format (printf, string, args)))
# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7)
# define FINAL final
# else
# define FINAL
# endif
/* Use fallthrough attribute where supported */
# if __GNUC__ >= 7
# if __cplusplus > 201402L // C++17
# define FALLTHROUGH [[fallthrough]]
# else
# define FALLTHROUGH __attribute__((fallthrough))
# endif
# else
# define FALLTHROUGH
# endif
#endif /* __GNUC__ || __clang__ */
#if __GNUC__ > 11 || (__GNUC__ == 11 && __GNUC_MINOR__ >= 1)
# define NOACCESS(args) __attribute__ ((access (none, args)))
#else
# define NOACCESS(args)
#endif
#if defined(__WATCOMC__)
# define NORETURN
# define CDECL
# define WARN_FORMAT(string, args)
# define FINAL
# define FALLTHROUGH
# include <malloc.h>
#endif /* __WATCOMC__ */
#if defined(__MINGW32__)
# include <malloc.h> // alloca()
#endif
#if defined(_WIN32)
# define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#endif
/* Stuff for MSVC */
#if defined(_MSC_VER)
# pragma once
# define NOMINMAX // Disable min/max macros in windows.h.
# pragma warning(disable: 4244) // 'conversion' conversion from 'type1' to 'type2', possible loss of data
# pragma warning(disable: 4761) // integral size mismatch in argument : conversion supplied
# pragma warning(disable: 4200) // nonstandard extension used : zero-sized array in struct/union
# pragma warning(disable: 4355) // 'this' : used in base member initializer list
# if (_MSC_VER < 1400) // MSVC 2005 safety checks
# error "Only MSVC 2005 or higher are supported. MSVC 2003 and earlier are not! Upgrade your compiler."
# endif /* (_MSC_VER < 1400) */
# pragma warning(disable: 4291) // no matching operator delete found; memory will not be freed if initialization throws an exception (reason: our overloaded functions never throw an exception)
# pragma warning(disable: 4996) // 'function': was declared deprecated
# pragma warning(disable: 6308) // code analyzer: 'realloc' might return null pointer: assigning null pointer to 't_ptr', which is passed as an argument to 'realloc', will cause the original memory block to be leaked
# pragma warning(disable: 6011) // code analyzer: Dereferencing NULL pointer 'pfGetAddrInfo': Lines: 995, 996, 998, 999, 1001
# pragma warning(disable: 6326) // code analyzer: potential comparison of a constant with another constant
# pragma warning(disable: 6031) // code analyzer: Return value ignored: 'ReadFile'
# pragma warning(disable: 6255) // code analyzer: _alloca indicates failure by raising a stack overflow exception. Consider using _malloca instead
# pragma warning(disable: 6246) // code analyzer: Local declaration of 'statspec' hides declaration of the same name in outer scope. For additional information, see previous declaration at ...
# if (_MSC_VER == 1500) // Addresses item #13 on http://blogs.msdn.com/b/vcblog/archive/2008/08/11/tr1-fixes-in-vc9-sp1.aspx, for Visual Studio 2008
# define _DO_NOT_DECLARE_INTERLOCKED_INTRINSICS_IN_MEMORY
# include <intrin.h>
# endif
# include <malloc.h> // alloca()
# define NORETURN __declspec(noreturn)
# if (_MSC_VER < 1900)
# define inline __forceinline
# endif
# define CDECL _cdecl
# define WARN_FORMAT(string, args)
# define FINAL final
/* fallthrough attribute, VS 2017 */
# if (_MSC_VER >= 1910) || defined(__clang__)
# define FALLTHROUGH [[fallthrough]]
# else
# define FALLTHROUGH
# endif
# if defined(_WIN32) && !defined(_WIN64)
# if !defined(_W64)
# define _W64
# endif
typedef _W64 int INT_PTR, *PINT_PTR;
typedef _W64 unsigned int UINT_PTR, *PUINT_PTR;
# endif /* _WIN32 && !_WIN64 */
# if defined(_WIN64)
# define fseek _fseeki64
# endif /* _WIN64 */
/* zlib from vcpkg use cdecl calling convention without enforcing it in the headers */
# if defined(WITH_ZLIB)
# if !defined(ZEXPORT)
# define ZEXPORT CDECL
# endif
# endif
/* freetype from vcpkg use cdecl calling convention without enforcing it in the headers */
# if defined(WITH_FREETYPE)
# if !defined(FT_EXPORT)
# define FT_EXPORT( x ) extern "C" x CDECL
# endif
# endif
/* liblzma from vcpkg (before 5.2.4-2) used to patch lzma.h to define LZMA_API_STATIC for static builds */
# if defined(WITH_LIBLZMA)
# if !defined(LZMA_API_STATIC)
# define LZMA_API_STATIC
# endif
# endif
# define strcasecmp stricmp
# define strncasecmp strnicmp
# define strtoull _strtoui64
/* MSVC doesn't have these :( */
# define S_ISDIR(mode) (mode & S_IFDIR)
# define S_ISREG(mode) (mode & S_IFREG)
#endif /* defined(_MSC_VER) */
#if !defined(STRGEN) && !defined(SETTINGSGEN)
# if defined(_WIN32)
char *getcwd(char *buf, size_t size);
# include <io.h>
# include <tchar.h>
# define fopen(file, mode) _wfopen(OTTD2FS(file).c_str(), _T(mode))
# define unlink(file) _wunlink(OTTD2FS(file).c_str())
std::string FS2OTTD(const std::wstring &name);
std::wstring OTTD2FS(const std::string &name);
# elif defined(WITH_ICONV)
# define fopen(file, mode) fopen(OTTD2FS(file).c_str(), mode)
std::string FS2OTTD(const std::string &name);
std::string OTTD2FS(const std::string &name);
# else
// no override of fopen() since no transformation is required of the filename
template <typename T> std::string FS2OTTD(T name) { return name; }
template <typename T> std::string OTTD2FS(T name) { return name; }
# endif /* _WIN32 or WITH_ICONV */
#endif /* STRGEN || SETTINGSGEN */
#if defined(_WIN32) || defined(__OS2__) && !defined(__INNOTEK_LIBC__)
# define PATHSEP "\\"
# define PATHSEPCHAR '\\'
#else
# define PATHSEP "/"
# define PATHSEPCHAR '/'
#endif
#if defined(_MSC_VER) || defined(__WATCOMC__)
# define PACK_N(type_dec, n) __pragma(pack(push, n)) type_dec; __pragma(pack(pop))
#elif defined(__MINGW32__)
# define PRAGMA(x) _Pragma(#x)
# define PACK_N(type_dec, n) PRAGMA(pack(push, n)) type_dec; PRAGMA(pack(pop))
#else
# define PACK_N(type_dec, n) type_dec __attribute__((__packed__, aligned(n)))
#endif
#define PACK(type_dec) PACK_N(type_dec, 1)
/* MSVCRT of course has to have a different syntax for long long *sigh* */
#if defined(_MSC_VER) || defined(__MINGW32__)
# define OTTD_PRINTF64 "%I64d"
# define OTTD_PRINTFHEX64 "%I64x"
# define PRINTF_SIZE "%Iu"
# define PRINTF_SIZEX "%IX"
#else
# define OTTD_PRINTF64 "%lld"
# define OTTD_PRINTFHEX64 "%llx"
# define PRINTF_SIZE "%zu"
# define PRINTF_SIZEX "%zX"
#endif
typedef unsigned char byte;
/* This is already defined in unix, but not in QNX Neutrino (6.x) or Cygwin. */
#if (!defined(UNIX) && !defined(__HAIKU__)) || defined(__QNXNTO__) || defined(__CYGWIN__)
typedef unsigned int uint;
#endif
#if defined(TROUBLED_INTS)
/* Haiku's types for uint32/int32/uint64/int64 are different than what
* they are on other platforms; not in length, but how to print them.
* So make them more like the other platforms, to make printf() etc a
* little bit easier. */
# define uint32 uint32_ugly_hack
# define int32 int32_ugly_hack
# define uint64 uint64_ugly_hack
# define int64 int64_ugly_hack
typedef unsigned int uint32_ugly_hack;
typedef signed int int32_ugly_hack;
typedef unsigned __int64 uint64_ugly_hack;
typedef signed __int64 int64_ugly_hack;
#else
typedef unsigned char uint8;
typedef signed char int8;
typedef unsigned short uint16;
typedef signed short int16;
typedef unsigned int uint32;
typedef signed int int32;
typedef unsigned __int64 uint64;
typedef signed __int64 int64;
#endif /* !TROUBLED_INTS */
#if !defined(WITH_PERSONAL_DIR)
# define PERSONAL_DIR ""
#endif
/* Define the the platforms that use XDG */
#if defined(WITH_PERSONAL_DIR) && defined(UNIX) && !defined(__APPLE__)
# define USE_XDG
#endif
/* Check if the types have the bitsizes like we are using them */
static_assert(sizeof(uint64) == 8);
static_assert(sizeof(uint32) == 4);
static_assert(sizeof(uint16) == 2);
static_assert(sizeof(uint8) == 1);
static_assert(SIZE_MAX >= UINT32_MAX);
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923
#define M_PI 3.14159265358979323846
#endif /* M_PI_2 */
/**
* Return the length of an fixed size array.
* Unlike sizeof this function returns the number of elements
* of the given type.
*
* @param x The pointer to the first element of the array
* @return The number of elements
*/
#define lengthof(x) (sizeof(x) / sizeof(x[0]))
/**
* Get the end element of an fixed size array.
*
* @param x The pointer to the first element of the array
* @return The pointer past to the last element of the array
*/
#define endof(x) (&x[lengthof(x)])
/**
* Get the last element of an fixed size array.
*
* @param x The pointer to the first element of the array
* @return The pointer to the last element of the array
*/
#define lastof(x) (&x[lengthof(x) - 1])
/**
* Gets the size of a variable within a class.
* @param base The class the variable is in.
* @param variable The variable to get the size of.
* @return the size of the variable
*/
#define cpp_sizeof(base, variable) (sizeof(std::declval<base>().variable))
/**
* Gets the length of an array variable within a class.
* @param base The class the variable is in.
* @param variable The array variable to get the size of.
* @return the length of the array
*/
#define cpp_lengthof(base, variable) (cpp_sizeof(base, variable) / cpp_sizeof(base, variable[0]))
/* take care of some name clashes on MacOS */
#if defined(__APPLE__)
# define GetString OTTD_GetString
# define DrawString OTTD_DrawString
# define CloseConnection OTTD_CloseConnection
#endif /* __APPLE__ */
#if defined(__GNUC__) || defined(__clang__)
# define likely(x) __builtin_expect(!!(x), 1)
# define unlikely(x) __builtin_expect(!!(x), 0)
#else
# define likely(x) (x)
# define unlikely(x) (x)
#endif /* __GNUC__ || __clang__ */
void NORETURN CDECL usererror(const char *str, ...) WARN_FORMAT(1, 2);
void NORETURN CDECL error(const char *str, ...) WARN_FORMAT(1, 2);
#define NOT_REACHED() error("NOT_REACHED triggered at line %i of %s", __LINE__, __FILE__)
/* For non-debug builds with assertions enabled use the special assertion handler. */
#if defined(NDEBUG) && defined(WITH_ASSERT)
# undef assert
# define assert(expression) if (unlikely(!(expression))) error("Assertion failed at line %i of %s: %s", __LINE__, __FILE__, #expression);
#endif
/* Asserts are enabled if NDEBUG isn't defined or WITH_ASSERT is defined. */
#if !defined(NDEBUG) || defined(WITH_ASSERT)
# define OTTD_ASSERT
# define assert_msg(expression, msg, ...) if (unlikely(!(expression))) error("Assertion failed at line %i of %s: %s\n\t" msg, __LINE__, __FILE__, #expression, __VA_ARGS__);
#else
# define assert_msg(expression, msg, ...)
#endif
#if defined(OPENBSD)
/* OpenBSD uses strcasecmp(3) */
# define _stricmp strcasecmp
#endif
#if defined(MAX_PATH)
/* It's already defined, no need to override */
#elif defined(PATH_MAX) && PATH_MAX > 0
/* Use the value from PATH_MAX, if it exists */
# define MAX_PATH PATH_MAX
#else
/* If all else fails, hardcode something :( */
# define MAX_PATH 260
#endif
/**
* Version of the standard free that accepts const pointers.
* @param ptr The data to free.
*/
static inline void free(const void *ptr)
{
free(const_cast<void *>(ptr));
}
/**
* The largest value that can be entered in a variable
* @param type the type of the variable
*/
#define MAX_UVALUE(type) ((type)~(type)0)
#if defined(_MSC_VER) && !defined(_DEBUG)
# define IGNORE_UNINITIALIZED_WARNING_START __pragma(warning(push)) __pragma(warning(disable:4700))
# define IGNORE_UNINITIALIZED_WARNING_STOP __pragma(warning(pop))
#elif defined(__GNUC__) && !defined(_DEBUG)
# define HELPER0(x) #x
# define HELPER1(x) HELPER0(GCC diagnostic ignored x)
# define HELPER2(y) HELPER1(#y)
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
# define IGNORE_UNINITIALIZED_WARNING_START \
_Pragma("GCC diagnostic push") \
_Pragma(HELPER2(-Wuninitialized)) \
_Pragma(HELPER2(-Wmaybe-uninitialized))
# define IGNORE_UNINITIALIZED_WARNING_STOP _Pragma("GCC diagnostic pop")
#endif
#endif
#ifndef IGNORE_UNINITIALIZED_WARNING_START
# define IGNORE_UNINITIALIZED_WARNING_START
# define IGNORE_UNINITIALIZED_WARNING_STOP
#endif
#endif /* STDAFX_H */
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