Ben Langmuir 541c202be8 Be more conservative about gethostname()'s truncating behaviour ...

Don't assume it will provide an error or null-terminate the string on
truncation, since POSIX doesn't guarantee either behaviour (although
Linux and Darwin at least will do the 'right thing').

llvm-svn: 228613

2015-02-09 21:55:44 +00:00

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