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Jeff Epler 9632360caa
Use a macro to compute the size of arrays at compile time (#18044)
* Add ARRAY_SIZE and CEILING utility macros

* Apply a coccinelle patch to use ARRAY_SIZE

* fix up some straggling items

* Fix 'make test:secure'

* Enhance ARRAY_SIZE macro to reject acting on pointers

The previous definition would not produce a diagnostic for
```
int *p;
size_t num_elem = ARRAY_SIZE(p)
```
but the new one will.

* explicitly get definition of ARRAY_SIZE

* Convert to ARRAY_SIZE when const is involved

The following spatch finds additional instances where the array is
const and the division is by the size of the type, not the size of
the first element:
```
@ rule5a using "empty.iso" @
type T;
const T[] E;
@@

- (sizeof(E)/sizeof(T))
+ ARRAY_SIZE(E)

@ rule6a using "empty.iso" @
type T;
const T[] E;
@@

- sizeof(E)/sizeof(T)
+ ARRAY_SIZE(E)
```

* New instances of ARRAY_SIZE added since initial spatch run

* Use `ARRAY_SIZE` in docs (found by grep)

* Manually use ARRAY_SIZE

hs_set is expected to be the same size as uint16_t, though it's made
of two 8-bit integers

* Just like char, sizeof(uint8_t) is guaranteed to be 1

This is at least true on any plausible system where qmk is actually used.

Per my understanding it's universally true, assuming that uint8_t exists:
https://stackoverflow.com/questions/48655310/can-i-assume-that-sizeofuint8-t-1

* Run qmk-format on core C files touched in this branch

Co-authored-by: Stefan Kerkmann <karlk90@pm.me>
3 years ago
..
eeprom Fix issue with #17904. (#17905) 3 years ago
flash Rework paths for eeprom locations. (#17326) 4 years ago
ps2 Relocate PS2 code (#14895) 4 years ago
vendor/RP/RP2040 [Core] RP2040 disable PIO IRQs on serial timeout (#17839) 3 years ago
wear_leveling Use the correct bootloader definition. (#18102) 3 years ago
analog.c analog.[ch]: remove unnecessary includes (#16471) 4 years ago
analog.h analog.[ch]: remove unnecessary includes (#16471) 4 years ago
audio_dac.h Move Audio drivers from quantum to platform drivers folder (#14308) 4 years ago
audio_dac_additive.c Format code according to conventions (#16322) 4 years ago
audio_dac_basic.c Format code according to conventions (#16322) 4 years ago
audio_pwm.h Move Audio drivers from quantum to platform drivers folder (#14308) 4 years ago
audio_pwm_hardware.c Format code according to conventions (#16322) 4 years ago
audio_pwm_software.c Format code according to conventions (#16322) 4 years ago
i2c_master.c ChibiOS: use correct status codes in i2c_master.c (#17808) 3 years ago
i2c_master.h Tidy up existing i2c_master implementations (#15376) 4 years ago
serial.c [Core] Use polled waiting on ChibiOS platforms that support it (#17607) 3 years ago
serial_protocol.c [BUG] Fix deadlocks on disconnected secondary half (#17423) 4 years ago
serial_protocol.h [Core] Split ChibiOS usart split driver in protocol and hardware driver part (#16669) 4 years ago
serial_usart.c [Core] Add Raspberry Pi RP2040 support (#14877) 3 years ago
serial_usart.h [Core] Split ChibiOS usart split driver in protocol and hardware driver part (#16669) 4 years ago
spi_master.c Post-bootloader EFL/SPI fixes. (#17661) 3 years ago
spi_master.h Refactor use of _STM32_ defines (#14439) 4 years ago
uart.c Added support for Wb32fq95 (#16871) 4 years ago
uart.h Westberrytech pr (#14422) 4 years ago
usbpd_stm32g4.c Format code according to conventions (#16322) 4 years ago
ws2812.c Added ws2812_spi support for WB32 MCU (#17143) 3 years ago
ws2812_pwm.c Partially revert some WB32 specific changes (#18038) 3 years ago
ws2812_spi.c Use a macro to compute the size of arrays at compile time (#18044) 3 years ago