static int dump_table(int fd) {
char version[256], name[256];
int scancode, r = -1;
if (evdev_driver_version(fd, version, sizeof(version)) < 0)
goto fail;
if (evdev_device_name(fd, name, sizeof(name)) < 0)
goto fail;
printf("### evdev %s, driver '%s'\n", version, name);
r = 0;
for (scancode = 0; scancode < MAX_SCANCODES; scancode++) {
int keycode;
if ((keycode = evdev_get_keycode(fd, scancode, 1)) < 0) {
if (keycode == -2)
continue;
r = -1;
break;
}
if (keycode < KEY_MAX && key_names[keycode])
printf("0x%03x %s\n", scancode, format_keyname(key_names[keycode]));
else
printf("0x%03x 0x%03x\n", scancode, keycode);
}
fail:
return r;
}
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;
}
