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Fix a bug in raw_ostream::write(char) introduced by the change to

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allow underlying stream classes to decline buffering. After
calling SetBuffered(), re-check whether the stream is Unbuffered
in order to handle the case where the underlying stream has
declined buffering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79362 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-18 20:09:59 +00:00
parent 35979c021e
commit 3731604f1f
1 changed files with 10 additions and 3 deletions
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13
lib/Support/raw_ostream.cpp
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@ -187,10 +187,17 @@ raw_ostream &raw_ostream::write(unsigned char C) {
return *this;
}
if (!OutBufStart)
SetBuffered();
else
if (OutBufStart)
flush_nonempty();
else {
SetBuffered();
// It's possible for the underlying stream to decline
// buffering, so check this condition again.
if (Unbuffered) {
write_impl(reinterpret_cast<char*>(&C), 1);
return *this;
}
}
}
*OutBufCur++ = C;