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Calls to std::tolower/toupper should cast their argument to an unsigned char.

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[SVN r28504]
This commit is contained in:
John Maddock
2005-04-27 15:49:30 +00:00
parent ed93c55832
commit b04bc5b5b0
1 changed files with 2 additions and 2 deletions
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4
src/regex_traits_defaults.cpp
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@ -262,12 +262,12 @@ BOOST_REGEX_DECL std::string BOOST_REGEX_CALL lookup_default_collate_name(const
BOOST_REGEX_DECL char BOOST_REGEX_CALL global_lower(char c)
{
return static_cast<char>((std::tolower)(c));
return static_cast<char>((std::tolower)((unsigned char)c));
}
BOOST_REGEX_DECL char BOOST_REGEX_CALL global_upper(char c)
{
return static_cast<char>((std::toupper)(c));
return static_cast<char>((std::toupper)((unsigned char)c));
}
#ifndef BOOST_NO_WREGEX
BOOST_REGEX_DECL wchar_t BOOST_REGEX_CALL global_lower(wchar_t c)