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Character classification functions (isspace, isalnum) are undefined for signed chars

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Convert them to int using char_traits or static_cast to unsigned char
This commit is contained in:
Christopher Blaesius
2018-03-06 12:24:40 +01:00
committed by Howard Hinnant
parent 0197889505
commit 07876e4433
1 changed files with 1 additions and 1 deletions
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2
include/date/date.h
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@@ -7180,7 +7180,7 @@ from_stream(std::basic_istream<CharT, Traits>& is, const CharT* fmt,
} }
else // !command else // !command
{ {
if (isspace(*fmt)) if (isspace(static_cast<unsigned char>(*fmt)))
ws(is); // space matches 0 or more white space characters ws(is); // space matches 0 or more white space characters
else else
read(is, *fmt); read(is, *fmt);