Convert negative precision to zero in printf (#1127)

and remove redundant check in grisu2_prettify.
2019-04-21 07:44:04 -07:00
parent 5efb24dd2b
commit bd516e3429
3 changed files with 7 additions and 4 deletions
@@ -44,7 +44,7 @@ class printf_precision_handler : public function<int> {
  int operator()(T value) {
    if (!int_checker<std::numeric_limits<T>::is_signed>::fits_in_int(value))
      FMT_THROW(format_error("number is too big"));
-    return static_cast<int>(value);
+    return (std::max)(static_cast<int>(value), 0);
  }

  template <typename T, FMT_ENABLE_IF(!std::is_integral<T>::value)>