bootloader/src/osboot.c

79 char key_prompt(char* valid_keys, int timeout_s) {
80     if (strlen(valid_keys) < 1) return 0;
81     if (timeout_s <= 0) return valid_keys[0];
137                     char* which_key = strchr(valid_keys, key.UnicodeChar);
158     return valid_keys[0];
471     char valid_keys[5];
472     memset(valid_keys, 0, sizeof(valid_keys));
476         valid_keys[key_idx++] = 'n';
479         valid_keys[key_idx++] = 'm';
482         valid_keys[key_idx++] = 'z';
485     // The first entry in valid_keys will be the default after the timeout.
489         swap_to_head('m', valid_keys, key_idx);
491         swap_to_head('z', valid_keys, key_idx);
493         swap_to_head('n', valid_keys, key_idx);
495     valid_keys[key_idx++] = 'b';
497     // make sure we update valid_keys if we ever add new options
498     if (key_idx >= sizeof(valid_keys)) goto fail;
522         char key = key_prompt(valid_keys, timeout_s);