#pragma once /** Assign value to variable with const modifier * * This macros is equivalent to `const_cast` from C++ * Literally x = y, but with some magic. * It's as dangerous as only can be. * We don't advice you to use it unless you REALLY MUST. * Like REALLY REALLY. * * @param x - const variable * @param y - variable * * @return assigned variable value */ #ifndef FURI_CONST_ASSIGN #define FURI_CONST_ASSIGN_(T, x, y) \ ({ \ T* tmp_x = (T*)&x; \ *tmp_x = y; \ *tmp_x; \ }) #define FURI_CONST_ASSIGN(x, y) \ _Generic((x), signed char \ : FURI_CONST_ASSIGN_(signed char, x, y), unsigned char \ : FURI_CONST_ASSIGN_(unsigned char, x, y), short \ : FURI_CONST_ASSIGN_(short, x, y), unsigned short \ : FURI_CONST_ASSIGN_(unsigned short, x, y), int \ : FURI_CONST_ASSIGN_(int, x, y), unsigned \ : FURI_CONST_ASSIGN_(unsigned, x, y), long \ : FURI_CONST_ASSIGN_(long, x, y), unsigned long \ : FURI_CONST_ASSIGN_(unsigned long, x, y), long long \ : FURI_CONST_ASSIGN_(long long, x, y), unsigned long long \ : FURI_CONST_ASSIGN_(unsigned long long, x, y), float \ : FURI_CONST_ASSIGN_(float, x, y), double \ : FURI_CONST_ASSIGN_(double, x, y), long double \ : FURI_CONST_ASSIGN_(long double, x, y)) #endif