Zbigniew Jędrzejewski-Szmek
3855303428
strerror() is not thread safe and calling it just isn't worth the effort required to justify why it would be safe in those cases. It's easier to just use %m which is thread-safe out of the box. I don't think that any of the changes in the patch cause any functional difference. This is just about getting rid of calls to strerror() in general. When we print an error message and fail to format the string, using something like "(null)" is good enough. This is very very unlikely to happen anyway.
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