altalk23
/ address of virtual.cpp
Last active
December 19, 2023 02:56
Getting the address of a virtual function in c++, works both in msvc x86 and clang macos x64
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| #include <cstdlib> | |
| #include <stddef.h> | |
| #include <iostream> | |
| #define CONCAT2(x, y) x##y | |
| #define CONCAT(x, y) CONCAT2(x, y) | |
| #if defined(_WIN64) || defined(__x86_64__) | |
| #define NEST1(macro, begin) \ | |
| macro(CONCAT(begin, 0)) \ |
altalk23
/ typeinfo_cast_itanium.cpp
Last active
June 19, 2022 00:56
typeinfo cast for multiple inheritance using typeid name comparison
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| #include <type_traits> | |
| #include <typeinfo> | |
| #include <cstring> | |
| #if __x86_64__ | |
| using uinthalf_t = uint32_t; | |
| using inthalf_t = int32_t; | |
| #else | |
| using uinthalf_t = uint16_t; | |
| using inthalf_t = int16_t; |