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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
..
boards [Controller] Added board config for custom controller STeMCell (#16287) 3 years ago
bootloaders [Core] Use polled waiting on ChibiOS platforms that support it (#17607) 3 years ago
converters Add eeprom defaults for tinyuf2 bootloader (#18042) 3 years ago
drivers Use a macro to compute the size of arrays at compile time (#18044) 3 years ago
vendors/RP RP2040 emulated EEPROM. (#17519) 3 years ago
_pin_defs.h [Core] Add Raspberry Pi RP2040 support (#14877) 3 years ago
_timer.h
_wait.c
_wait.h [Fix] Make ChibiOS `_wait.h` independent of `quantum.h` (#17645) 3 years ago
atomic_util.h
chibios_config.h Allow MCU-specific overrides for SPI flags. (#17650) 3 years ago
flash.mk [Core] Add Raspberry Pi RP2040 support (#14877) 3 years ago
gd32v_compatibility.h Fix GD32VF103 WS2812 PWM driver (#18067) 3 years ago
gpio.h Refactor writePin to work with statements (#16738) 4 years ago
hardware_id.c Expose API for hardware unique ID (#16869) 4 years ago
platform.c
platform.mk [Core] Update mpaland/printf to eyalroz/printf fork (#16163) 3 years ago
platform_deps.h
sleep_led.c Format code according to conventions (#16322) 4 years ago
suspend.c Initial migration of suspend callbacks (#16067) 4 years ago
synchronization_util.c [Core] Use a mutex guard for split shared memory (#16647) 4 years ago
syscall-fallbacks.c Format code according to conventions (#16322) 4 years ago
timer.c ChibiOS 21.11.1 update. (#16251) 4 years ago
wait.c ChibiOS 21.11.1 update. (#16251) 4 years ago