Fix handling of numeric alignment with no width (#675)

2018-03-11 21:04:42 -04:00
parent 9facc119a6
commit 7db0e94b9e
2 changed files with 3 additions and 1 deletions
--- a/include/fmt/format.h
+++ b/include/fmt/format.h
@@ -2787,7 +2787,8 @@ void basic_writer<Range>::write_double(T value, const format_specs &spec) {
    if (sign) {
      *reserve(1) = sign;
      sign = 0;
-      --as.width_;
+      if (as.width_)
+        --as.width_;
    }
    as.align_ = ALIGN_RIGHT;
  } else {