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Parse should fail if fmt string is not consumed.

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Howard Hinnant
2017-04-13 12:45:28 -04:00
parent fc3d4d97fe
commit 096bad2622
1 changed files with 2 additions and 0 deletions
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2
date.h
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@@ -6177,6 +6177,8 @@ from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt,
else else
read(is, CharT{'%'}, width, modified); read(is, CharT{'%'}, width, modified);
} }
if (is.rdstate() != ios::goodbit && *fmt != CharT{} && !is.fail())
is.setstate(ios::failbit);
if (!is.fail()) if (!is.fail())
{ {
if (y != not_a_2digit_year) if (y != not_a_2digit_year)