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On some systems, EAGAIN and EWOULDBLOCK are defined to the same value, causing a `-Wlogical-op` warning for the redundant logical 'or' in the errno check. While portable code must check for both cases, this warning is unwanted. This change uses a preprocessor directive to conditionally compile the check for `errno == EWOULDBLOCK` only on platforms where its value differs from EAGAIN. This silences the warning without affecting portability.
This directory contains a number of possibly useful things that do not directly relate to rsyslog. They are not actively supported, but as I said often helpful. Use them with some care, as they may be outdated in respect to the current release of rsyslog. At least some of this stuff has been found by our users and been included after a brief check and possibly an adaptation. If you have something useful you would like to see in contrib, just drop us a note (see https://www.rsyslog.com for how to do that at the time your are reading this document). rgerhards, 2007-08-08