Use _Measure_display_width

JMazurkiewicz · JMazurkiewicz · commit f163372dc563 · 2024-05-26T17:22:46.000+02:00
Addresses microsoft#4631
diff --git a/stl/inc/format b/stl/inc/format
@@ -4561,7 +4561,7 @@ private:
             }
         }
 
-        const int _Width = static_cast<int>(_Buffer.size()); // TRANSITION, GH-4631
+        const int _Width = _Measure_display_width<_CharT>(_Buffer);
         return _STD _Write_aligned(
             _Ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](_FormatContext::iterator _Out) {
                 return _STD _Fmt_write(_STD move(_Out), basic_string_view{_Buffer});

Original file line number	Diff line number	Diff line change
`@@ -4561,7 +4561,7 @@ private:`
`4561`	`4561`	`}`
`4562`	`4562`	`}`
`4563`	`4563`
`4564`		`- const int _Width = static_cast<int>(_Buffer.size()); // TRANSITION, GH-4631`
	`4564`	`+ const int _Width = _Measure_display_width<_CharT>(_Buffer);`
`4565`	`4565`	`return _STD _Write_aligned(`
`4566`	`4566`	`_Ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](_FormatContext::iterator _Out) {`
`4567`	`4567`	`return _STD _Fmt_write(_STD move(_Out), basic_string_view{_Buffer});`