Thread safety.
authorIain Patterson <me@iain.cx>
Sat, 26 Feb 2011 11:50:13 +0000 (11:50 +0000)
committerIain Patterson <me@iain.cx>
Sat, 26 Feb 2011 11:50:13 +0000 (11:50 +0000)
Multiple threads might call error_string() so a static buffer is
dangerous.  Use TLS for a safe buffer.


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