FMTMSG.H(7) Miscellaneous Information Manual FMTMSG.H(7)

fmtmsg.h — message display structures


#include <fmtmsg.h>

The <fmtmsg.h> header shall define the following macros, which expand to constant integer expressions:

Source of the condition is hardware.
Source of the condition is software.
Source of the condition is firmware.
Condition detected by application.
Condition detected by utility.
Condition detected by operating system.
Recoverable error.
Non-recoverable error.
Error causing application to halt.
Application has encountered a non-fatal fault.
Application has detected unusual non-error condition.
Informative message.
No severity level provided for the message.
Display message on standard error.
Display message on system console.

The table below indicates the null values and identifiers for fmtmsg(3) arguments. The <fmtmsg.h> header shall define the macros in the column, which expand to constant expressions that expand to expressions of the type indicated in the column:

Argument Type Null-Value Identifier
label char * (char*)0 MM_NULLLBL
severity int 0 MM_NULLSEV
class long 0L MM_NULLMC
text char * (char*)0 MM_NULLTXT
action char * (char*)0 MM_NULLACT
tag char * (char*)0 MM_NULLTAG

The <fmtmsg.h> header shall also define the following macros for use as return values for fmtmsg(3):

The function succeeded.
The function failed completely.
The function was unable to generate a message on standard error, but otherwise succeeded.
The function was unable to generate a console message, but otherwise succeeded.

The following shall be declared as a function and may also be defined as a macro. A function prototype shall be provided.

int fmtmsg(long, const char *, int,
    const char *, const char *, const char *);

None.

None.

None.

The System Interfaces volume of IEEE Std 1003.1-2001 (“POSIX.1”), fmtmsg(3)

First released in Issue 4, Version 2.

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December 6, 2001 posix.fail