Fix handling of invalid string in chrono formatting

pauldreik · May 1, 2019 · 4a4d72f · 4a4d72f
1 parent b3cc9c0
commit 4a4d72f
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
@@ -593,12 +593,12 @@ struct formatter<std::chrono::duration<Rep, Period>, Char> {
 
   FMT_CONSTEXPR parse_range do_parse(basic_parse_context<Char>& ctx) {
     auto begin = ctx.begin(), end = ctx.end();
-    if (begin == end) return {begin, end};
+    if (begin == end || *begin == '}') return {begin, begin};
     spec_handler handler{*this, ctx, format_str};
     begin = internal::parse_align(begin, end, handler);
-    if (begin == end) return {begin, end};
+    if (begin == end) return {begin, begin};
     begin = internal::parse_width(begin, end, handler);
-    if (begin == end) return {begin, end};
+    if (begin == end) return {begin, begin};
     if (*begin == '.') {
       if (std::is_floating_point<Rep>::value)
         begin = internal::parse_precision(begin, end, handler);