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suyu/src/common/common_funcs.h
Lioncash 61f6eaad45 common_funcs: silence sign-conversion warnings in MakeMagic()
We can trivially resolve these by casting the characters to unsigned
values and then shifting the bits.
2019-11-13 06:53:19 -05:00

62 lines
1.8 KiB
C++

// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <algorithm>
#include <array>
#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 macros to insert unused bytes or words to properly align structs. These values will be
/// zero-initialized.
#define INSERT_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__){};
#define INSERT_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__){};
/// These are similar to the INSERT_PADDING_* macros, but are needed for padding unions. This is
/// because unions can only be initialized by one member.
#define INSERT_UNION_PADDING_BYTES(num_bytes) std::array<u8, num_bytes> CONCAT2(pad, __LINE__);
#define INSERT_UNION_PADDING_WORDS(num_words) std::array<u32, num_words> CONCAT2(pad, __LINE__);
#ifndef _MSC_VER
#ifdef ARCHITECTURE_x86_64
#define Crash() __asm__ __volatile__("int $3")
#else
#define Crash() exit(1)
#endif
#else // _MSC_VER
// 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.
std::string GetLastErrorMsg();
namespace Common {
constexpr u32 MakeMagic(char a, char b, char c, char d) {
return u32(a) | u32(b) << 8 | u32(c) << 16 | u32(d) << 24;
}
} // namespace Common