+static int find_converted_keymap(Context *c, char **new_keymap) {
+ const char *dir;
+ _cleanup_free_ char *n;
+
+ if (c->x11_variant)
+ n = strjoin(c->x11_layout, "-", c->x11_variant, NULL);
+ else
+ n = strdup(c->x11_layout);
+ if (!n)
+ return -ENOMEM;
+
+ NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS) {
+ _cleanup_free_ char *p = NULL, *pz = NULL;
+
+ p = strjoin(dir, "xkb/", n, ".map", NULL);
+ pz = strjoin(dir, "xkb/", n, ".map.gz", NULL);
+ if (!p || !pz)
+ return -ENOMEM;
+
+ if (access(p, F_OK) == 0 || access(pz, F_OK) == 0) {
+ *new_keymap = n;
+ n = NULL;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+static int find_legacy_keymap(Context *c, char **new_keymap) {
+ _cleanup_fclose_ FILE *f;
+ unsigned n = 0;
+ unsigned best_matching = 0;
+
+
+ f = fopen(SYSTEMD_KBD_MODEL_MAP, "re");
+ if (!f)
+ return -errno;
+
+ for (;;) {
+ _cleanup_strv_free_ char **a = NULL;
+ unsigned matching = 0;
+ int r;
+
+ r = read_next_mapping(f, &n, &a);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ /* Determine how well matching this entry is */
+ if (streq_ptr(c->x11_layout, a[1]))
+ /* If we got an exact match, this is best */
+ matching = 10;
+ else {
+ size_t x;
+
+ x = strcspn(c->x11_layout, ",");
+
+ /* We have multiple X layouts, look for an
+ * entry that matches our key with everything
+ * but the first layout stripped off. */
+ if (x > 0 &&
+ strlen(a[1]) == x &&
+ strneq(c->x11_layout, a[1], x))
+ matching = 5;
+ else {
+ size_t w;
+
+ /* If that didn't work, strip off the
+ * other layouts from the entry, too */
+ w = strcspn(a[1], ",");
+
+ if (x > 0 && x == w &&
+ memcmp(c->x11_layout, a[1], x) == 0)
+ matching = 1;
+ }
+ }
+
+ if (matching > 0 &&
+ streq_ptr(c->x11_model, a[2])) {
+ matching++;
+
+ if (streq_ptr(c->x11_variant, a[3])) {
+ matching++;
+
+ if (streq_ptr(c->x11_options, a[4]))
+ matching++;
+ }
+ }
+
+ /* The best matching entry so far, then let's save that */
+ if (matching > best_matching) {
+ best_matching = matching;
+
+ free(*new_keymap);
+ *new_keymap = strdup(a[0]);
+ if (!*new_keymap)
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+}
+