- if (get_key(rules->udev, &linepos, &key, &op, &value) != 0)
+ if (get_key(rules->udev, &linepos, &key, &op, &value) != 0) {
+ /* Avoid erroring on trailing whitespace. This is probably rare
+ * so save the work for the error case instead of always trying
+ * to strip the trailing whitespace with strstrip(). */
+ while (isblank(*linepos))
+ linepos++;
+
+ /* If we aren't at the end of the line, this is a parsing error.
+ * Make a best effort to describe where the problem is. */
+ if (*linepos != '\n') {
+ char buf[2] = {linepos[1]};
+ _cleanup_free_ char *tmp;
+
+ tmp = cescape(buf);
+ log_error("invalid key/value pair in file %s on line %u, starting at character %tu ('%s')\n",
+ filename, lineno, linepos - line + 1, tmp);
+ if (linepos[1] == '#')
+ log_error("hint: comments can only start at beginning of line");
+ }