citra/src/common/common_funcs.h

// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#pragma once

#include <string>

#if !defined(ARCHITECTURE_x86_64)
#include <cstdlib> // for exit
#endif
#include "common/common_types.h"

/// Textually concatenates two tokens. The double-expansion is required by the C preprocessor.
#define CONCAT2(x, y) DO_CONCAT2(x, y)
#define DO_CONCAT2(x, y) x##y

// helper macro to properly align structure members.
// Calling INSERT_PADDING_BYTES will add a new member variable with a name like "pad121",
// depending on the current source line to make sure variable names are unique.
#define INSERT_PADDING_BYTES(num_bytes) u8 CONCAT2(pad, __LINE__)[(num_bytes)]
#define INSERT_PADDING_WORDS(num_words) u32 CONCAT2(pad, __LINE__)[(num_words)]

// Inlining
#ifdef _WIN32
#define FORCE_INLINE __forceinline
#else
#define FORCE_INLINE inline __attribute__((always_inline))
#endif

#ifndef _MSC_VER

#ifdef ARCHITECTURE_x86_64
#define Crash() __asm__ __volatile__("int $3")
#else
#define Crash() exit(1)
#endif

#else // _MSC_VER

#if (_MSC_VER < 1900)
// Function Cross-Compatibility
#define snprintf _snprintf
#endif

// Locale Cross-Compatibility
#define locale_t _locale_t

extern "C" {
__declspec(dllimport) void __stdcall DebugBreak(void);
}
#define Crash() DebugBreak()

#endif // _MSC_VER ndef

// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
// Defined in Misc.cpp.
[[nodiscard]] std::string GetLastErrorMsg();