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addseverity(3) [linux man page]

ADDSEVERITY(3)						     Linux Programmer's Manual						    ADDSEVERITY(3)

NAME
addseverity - introduce new severity classes SYNOPSIS
#include <fmtmsg.h> int addseverity(int severity, const char *s); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): addseverity(): _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 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 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 in glibc since version 2.1. CONFORMING TO
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 variable SEV_LEVEL. SEE ALSO
fmtmsg(3) COLOPHON
This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU
2008-06-14 ADDSEVERITY(3)

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addseverity(3C) 					   Standard C Library Functions 					   addseverity(3C)

NAME
addseverity - build a list of severity levels for an application for use with fmtmsg SYNOPSIS
#include <fmtmsg.h> int addseverity(int severity, const char *string); DESCRIPTION
The addseverity() function builds a list of severity levels for an application to be used with the message formatting facility fmtmsg(). The severity argument is an integer value indicating the seriousness of the condition. The string argument is a pointer to a string describing the condition (string is not limited to a specific size). If addseverity() is called with an integer value that has not been previously defined, the function adds that new severity value and print string to the existing set of standard severity levels. If addseverity() is called with an integer value that has been previously defined, the function redefines that value with the new print string. Previously defined severity levels may be removed by supplying the null string. If addseverity() is called with a negative number or an integer value of 0, 1, 2, 3, or 4, the function fails and returns -1. The values 0-4 are reserved for the standard severity levels and cannot be modified. Identifiers for the standard levels of severity are: MM_HALT Indicates that the application has encountered a severe fault and is halting. Produces the print string HALT. MM_ERROR Indicates that the application has detected a fault. Produces the print string ERROR. MM_WARNING Indicates a condition that is out of the ordinary, that might be a problem, and should be watched. Produces the print string WARNING. MM_INFO Provides information about a condition that is not in error. Produces the print string INFO. MM_NOSEV Indicates that no severity level is supplied for the message. Severity levels may also be defined at run time using the SEV_LEVEL environment variable (see fmtmsg(3C)). RETURN VALUES
Upon successful completion, addseverity() returns MM_OK. Otherwise it returns MM_NOTOK. EXAMPLES
Example 1: Example of addseverity() function. When the function call addseverity(7,"ALERT") is followed by the call fmtmsg(MM_PRINT, "UX:cat", 7, "invalid syntax", "refer to manual", "UX:cat:001") the resulting output is UX:cat: ALERT: invalid syntax TO FIX: refer to manual UX:cat:001 ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
fmtmsg(1), fmtmsg(3C), gettxt(3C), printf(3C), attributes(5) SunOS 5.10 29 Dec 1996 addseverity(3C)

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