CentOS 7.0 - man page for addseverity (centos section 3)
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ADDSEVERITY(3) Linux Programmer's Manual ADDSEVERITY(3)
addseverity - introduce new severity classes
int addseverity(int severity, const char *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
This function allows the introduction of new severity classes which can be addressed by
the severity argument of the fmtmsg(3) function. By default that latter function only
knows how to print messages for severity 0-4 (with strings (none), HALT, ERROR, WARNING,
INFO). This call attaches the given string s to the given value severity. If s is NULL,
the severity class with the numeric value severity is removed. It is not possible to
overwrite or remove one of the default severity classes. The severity value must be non-
Upon success, the value MM_OK is returned. Upon error, the return value is MM_NOTOK.
Possible errors include: out of memory, attempt to remove a nonexistent or default sever-
addseverity() is provided in glibc since version 2.1.
This function is not specified in the X/Open Portability Guide although the fmtmsg(3)
function is. It is available on System V systems.
New severity classes can also be added by setting the environment variable SEV_LEVEL.
This page is part of release 3.53 of the Linux man-pages project. A description of the
project, and information about reporting bugs, can be found at
GNU 2008-06-14 ADDSEVERITY(3)
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