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vial/encoder: fix memory corruption in exec_keycode

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get_record_keycode calls into update_source_layers_cache which corrupts
memory because our magic row/col isn't present in the matrix

based on drashna code in ed6153062f/users/drashna/encoder_stuff.c
This commit is contained in:
Ilya Zhuravlev 2021-03-21 00:16:17 -04:00
parent c9c90c06b7
commit c69a05c216
3 changed files with 20 additions and 9 deletions
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8
quantum/quantum.c
View File

@ -179,12 +179,14 @@ void post_process_record_quantum(keyrecord_t *record) {
post_process_record_kb(keycode, record);
}
bool process_record_quantum(keyrecord_t *record) {
uint16_t keycode = get_record_keycode(record, true);
return process_record_quantum_helper(keycode, record);
}
/* Core keycode function, hands off handling to other functions,
then processes internal quantum keycodes, and then processes
ACTIONs. */
bool process_record_quantum(keyrecord_t *record) {
uint16_t keycode = get_record_keycode(record, true);
bool process_record_quantum_helper(uint16_t keycode, keyrecord_t *record) {
// This is how you use actions here
// if (keycode == KC_LEAD) {
// action_t action;

1
quantum/quantum.h
View File

@ -257,6 +257,7 @@ bool process_record_kb(uint16_t keycode, keyrecord_t *record);
bool process_record_user(uint16_t keycode, keyrecord_t *record);
void post_process_record_kb(uint16_t keycode, keyrecord_t *record);
void post_process_record_user(uint16_t keycode, keyrecord_t *record);
bool process_record_quantum_helper(uint16_t keycode, keyrecord_t *record);
#ifndef BOOTMAGIC_LITE_COLUMN
# define BOOTMAGIC_LITE_COLUMN 0

20
quantum/vial.c
View File

@ -176,15 +176,23 @@ static void exec_keycode(uint16_t keycode) {
#else
g_vial_magic_keycode_override = keycode;
action_exec((keyevent_t){
.key = (keypos_t){.row = VIAL_ENCODER_MATRIX_MAGIC, .col = VIAL_ENCODER_MATRIX_MAGIC}, .pressed = 1, .time = (timer_read() | 1) /* time should not be 0 */
});
keyrecord_t record = {.event = (keyevent_t){.key = { VIAL_ENCODER_MATRIX_MAGIC, VIAL_ENCODER_MATRIX_MAGIC }, .pressed = true, .time = (timer_read() | 1)}};
if (keycode <= QK_MODS_MAX)
register_code16(keycode);
else
process_record_quantum_helper(keycode, &record);
#if VIAL_ENCODER_KEYCODE_DELAY > 0
wait_ms(VIAL_ENCODER_KEYCODE_DELAY);
#endif
action_exec((keyevent_t){
.key = (keypos_t){.row = VIAL_ENCODER_MATRIX_MAGIC, .col = VIAL_ENCODER_MATRIX_MAGIC}, .pressed = 0, .time = (timer_read() | 1) /* time should not be 0 */
});
record.event.time = timer_read() | 1;
record.event.pressed = false;
if (keycode <= QK_MODS_MAX)
unregister_code16(keycode);
else
process_record_quantum_helper(keycode, &record);
#endif
}