+ } else if (r < 0)
+ return r;
+
+ i = NULL;
+ return 0;
+}
+
+int catalog_file_lang(const char* filename, char **lang) {
+ char *beg, *end, *_lang;
+
+ end = endswith(filename, ".catalog");
+ if (!end)
+ return 0;
+
+ beg = end - 1;
+ while (beg > filename && *beg != '.' && *beg != '/' && end - beg < 32)
+ beg --;
+
+ if (*beg != '.' || end <= beg + 1)
+ return 0;
+
+ _lang = strndup(beg + 1, end - beg - 1);
+ if (!_lang)
+ return -ENOMEM;
+
+ *lang = _lang;
+ return 1;
+}
+
+static int catalog_entry_lang(const char* filename, int line,
+ const char* t, const char* deflang, char **lang) {
+ size_t c;
+
+ c = strlen(t);
+ if (c == 0) {
+ log_error("[%s:%u] Language too short.", filename, line);
+ return -EINVAL;
+ }
+ if (c > 31) {
+ log_error("[%s:%u] language too long.", filename, line);
+ return -EINVAL;
+ }
+
+ if (deflang) {
+ if (streq(t, deflang)) {
+ log_warning("[%s:%u] language specified unnecessarily",
+ filename, line);
+ return 0;
+ } else
+ log_warning("[%s:%u] language differs from default for file",
+ filename, line);