unleashed-firmware/furi/core/dangerous_defines.h
あく e3c7201a20
Furi: core refactoring and CMSIS removal part 2 (#1410)
* Furi: rename and move core
* Furi: drop CMSIS_OS header and unused api, partially refactor and cleanup the rest
* Furi: CMSIS_OS drop and refactoring.
* Furi: refactoring, remove cmsis legacy
* Furi: fix incorrect assert on queue deallocation, cleanup timer
* Furi: improve delay api, get rid of floats
* hal: dropped furi_hal_crc
* Furi: move DWT based delay to cortex HAL
* Furi: update core documentation

Co-authored-by: hedger <hedger@nanode.su>
2022-07-20 13:56:33 +03:00

45 lines
1.8 KiB
C

#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_PTR(x, y) \
({ \
void** tmp_x = (void**)&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