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It is unclear whether cin is guaranteed to buffer the last input 

character of a get() for ungetch() to work. Prefer putback() to make it
work with current implementations of cin in libc++. Tracked as
http://llvm.org/bugs/show_bug.cgi?id=15867 with test case.
This commit is contained in:
joerg 2013-04-30 00:31:56 +00:00
parent 7a433e9e54
commit 1031501f81
1 changed files with 3 additions and 3 deletions
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6
external/bsd/atf/dist/atf-c++/detail/parser.hpp vendored
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@ -259,7 +259,7 @@ tokenizer< IS >::next(void)
t = token(m_lineno, m_text_type, text);
quoted = true;
} else {
m_is.unget();
m_is.putback(ch);
done = true;
}
} else {
@ -271,13 +271,13 @@ tokenizer< IS >::next(void)
t = token(m_lineno, (*idelim).second,
std::string("") + ch);
else
m_is.unget();
m_is.putback(ch);
} else if (ch == '\n') {
done = true;
if (text.empty())
t = token(m_lineno, m_nl_type, "<<NEWLINE>>");
else
m_is.unget();
m_is.putback(ch);
} else if (m_skipws && (ch == ' ' || ch == '\t')) {
if (!text.empty())
done = true;