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Correctly account for the Spaces array nul terminator. Thanks Chris!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79894 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-08-24 04:43:38 +00:00
parent e1eaf916f0
commit cb1308b74a
1 changed files with 3 additions and 2 deletions
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5
lib/Support/raw_ostream.cpp
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@@ -304,11 +304,12 @@ raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
" "; " ";
// Usually the indentation is small, handle it with a fastpath. // Usually the indentation is small, handle it with a fastpath.
if (NumSpaces <= array_lengthof(Spaces)) if (NumSpaces < array_lengthof(Spaces))
return write(Spaces, NumSpaces); return write(Spaces, NumSpaces);
while (NumSpaces) { while (NumSpaces) {
unsigned NumToWrite = std::min(NumSpaces, (unsigned)array_lengthof(Spaces)); unsigned NumToWrite = std::min(NumSpaces,
(unsigned)array_lengthof(Spaces)-1);
write(Spaces, NumToWrite); write(Spaces, NumToWrite);
NumSpaces -= NumToWrite; NumSpaces -= NumToWrite;
} }