addseverity(3) Library Functions Manual addseverity(3)
NAME
addseverity - introduce new severity classes
LIBRARY
Standard C library (libc, -lc)
SYNOPSIS
#include <fmtmsg.h>
int addseverity(int severity, const char *s);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
addseverity():
Since glibc 2.19:
_DEFAULT_SOURCE
glibc 2.19 and earlier:
_SVID_SOURCE
DESCRIPTION
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 function knows only how to print messages for severity
0-4 (with strings (none), HALT, ERROR, WARNING, INFO). This call at-
taches 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 nonnegative.
RETURN VALUE
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 severity class.
VERSIONS
addseverity() is provided since glibc 2.1.
ATTRIBUTES
For an explanation of the terms used in this section, see at-
tributes(7).
┌────────────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├────────────────────────────────────────────┼───────────────┼─────────┤
│addseverity() │ Thread safety │ MT-Safe │
└────────────────────────────────────────────┴───────────────┴─────────┘
STANDARDS
This function is not specified in the X/Open Portability Guide although
the fmtmsg(3) function is. It is available on System V systems.
NOTES
New severity classes can also be added by setting the environment vari-
able SEV_LEVEL.
SEE ALSO
fmtmsg(3)
Linux man-pages 6.03 2023-02-05 addseverity(3)
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