freebsd-src/lib/libutil/logwtmp.3
Yaroslav Tykhiy dc72bf81a8 Fix the phrase about "both files", which must be left
from login(3). This page, logwtmp(3), speaks of only
one file -- wtmp(5).

MFC after:	1 week
2001-10-11 11:02:50 +00:00

72 lines
2.2 KiB
Groff

.\"
.\" Copyright (c) 1996 Joerg Wunsch
.\"
.\" All rights reserved.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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.\" $FreeBSD$
.\" "
.Dd December 29, 1996
.Os
.Dt LOGWTMP 3
.Sh NAME
.Nm logwtmp
.Nd append a new record to the wtmp file
.Sh LIBRARY
.Lb libutil
.Sh SYNOPSIS
.In sys/types.h
.In libutil.h
.Ft void
.Fn logwtmp "const char *line" "const char *name" "const char *host"
.Sh DESCRIPTION
The function
.Fn logwtmp
tries to append a new record to the
.Xr wtmp 5
file, using the provided arguments
.Ar line ,
.Ar name ,
and
.Ar host ,
and the current time.
.Pp
If the length of the hostname string
.Ar host
is longer than what would fit into the hostname field of the
.Xr wtmp 5
file, it will first be attempted to convert it into a numerical IP
address using
.Xr gethostbyname 3 .
Failing this, the hostname will be recorded as
.Qq invalid hostname .
.Pp
The calling process must have permission to write to the
.Xr wtmp 5
file.
.Sh RETURN VALUES
None.
.Sh SEE ALSO
.Xr gethostbyname 3 ,
.Xr login 3 ,
.Xr wtmp 5