static void set_key(int fd, const char* scancode_str, const char* keyname)
{
unsigned scancode;
char *endptr;
char t[105] = "KEY_UNKNOWN";
const struct key *k;
scancode = (unsigned) strtol(scancode_str, &endptr, 0);
if (*endptr != '\0') {
fprintf(stderr, "ERROR: Invalid scancode\n");
exit(1);
}
snprintf(t, sizeof(t), "KEY_%s", keyname);
if (!(k = lookup_key(t, strlen(t)))) {
fprintf(stderr, "ERROR: Unknown key name '%s'\n", keyname);
exit(1);
}
if (evdev_set_keycode(fd, scancode, k->id) < 0)
fprintf(stderr, "setting scancode 0x%2X to key code %i failed\n",
scancode, k->id);
else
printf("setting scancode 0x%2X to key code %i\n",
scancode, k->id);
}
static int merge_table(int fd, FILE *f) {
int r = 0;
int line = 0;
while (!feof(f)) {
char s[256], *p;
unsigned scancode;
int new_keycode, old_keycode;
if (!fgets(s, sizeof(s), f))
break;
line++;
p = s+strspn(s, "\t ");
if (*p == '#' || *p == '\n')
continue;
if (sscanf(p, "%i %i", &scancode, &new_keycode) != 2) {
char t[105] = "KEY_UNKNOWN";
const struct key *k;
if (sscanf(p, "%i %100s", &scancode, t+4) != 2) {
fprintf(stderr, "WARNING: Parse failure at line %i, ignoring.\n", line);
r = -1;
continue;
}
if (!(k = lookup_key(t, strlen(t)))) {
fprintf(stderr, "WARNING: Unknown key '%s' at line %i, ignoring.\n", t, line);
r = -1;
continue;
}
new_keycode = k->id;
}
if ((old_keycode = evdev_get_keycode(fd, scancode, 0)) < 0) {
r = -1;
continue;
}
if (evdev_set_keycode(fd, scancode, new_keycode) < 0) {
r = -1;
continue;
}
if (new_keycode != old_keycode)
fprintf(stderr, "Remapped scancode 0x%02x to 0x%02x (prior: 0x%02x)\n",
scancode, new_keycode, old_keycode);
}
fclose(f);
return r;
}
