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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:38 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:47 +0200 |
| commit | 70ac1c4785fc1e158ab2349a962dba2526bf4fbc (patch) | |
| tree | bff270e2496dd284bccfc1271b43946f5d225224 /man/man3/updwtmp.3 | |
| parent | 5423a6f86b2b920a5f3e8cf8d759b513050f2d33 (diff) | |
| download | man-pages-70ac1c4785fc1e158ab2349a962dba2526bf4fbc.tar.gz | |
src.mk, All pages: Move man* to man/
The root of the repository is becoming a bit overpopulated and
unorganized, due to the recent addition of more mandirs, and more
informative and configuration files too. Let's create a specific
mandir <man/> that contains the mandirs <man[1-8]*>.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man/man3/updwtmp.3')
| -rw-r--r-- | man/man3/updwtmp.3 | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/man/man3/updwtmp.3 b/man/man3/updwtmp.3 new file mode 100644 index 0000000000..dcafd9ba07 --- /dev/null +++ b/man/man3/updwtmp.3 @@ -0,0 +1,82 @@ +.\" Copyright 1997 Nicolás Lichtmaier <nick@debian.org> +.\" Created Wed Jul 2 23:27:34 ART 1997 +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" Added info on availability, aeb, 971207 +.\" Added -lutil remark, 030718 +.\" 2008-07-02, mtk, document updwtmpx() +.\" +.TH UPDWTMP 3 2021-03-22 "Linux man-pages (unreleased)" +.SH NAME +updwtmp, logwtmp \- append an entry to the wtmp file +.SH LIBRARY +System utilities library +.RI ( libutil ", " \-lutil ) +.SH SYNOPSIS +.nf +.B #include <utmp.h> +.PP +.BI "void updwtmp(const char *" wtmp_file ", const struct utmp *" ut ); +.BI "void logwtmp(const char *" line ", const char *" name \ +", const char *" host ); +.fi +.SH DESCRIPTION +.BR updwtmp () +appends the utmp structure +.I ut +to the wtmp file. +.PP +.BR logwtmp () +constructs a utmp structure using +.IR line ", " name ", " host , +current time, and current process ID. +Then it calls +.BR updwtmp () +to append the structure to the wtmp file. +.SH FILES +.TP +.I /var/log/wtmp +database of past user logins +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.ad l +.nh +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.BR updwtmp (), +.BR logwtmp () +T} Thread safety MT-Unsafe sig:ALRM timer +.TE +.hy +.ad +.sp 1 +.SH STANDARDS +Not in POSIX.1. +Present on Solaris, NetBSD, and perhaps other systems. +.SH NOTES +For consistency with the other "utmpx" functions (see +.BR getutxent (3)), +glibc provides (since version 2.1): +.PP +.in +4n +.EX +.BR "#define _GNU_SOURCE " "/* See feature_test_macros(7) */" +.B #include <utmpx.h> +.BI "void updwtmpx (const char *" wtmpx_file ", const struct utmpx *" utx ); +.EE +.in +.PP +This function performs the same task as +.BR updwtmp (), +but differs in that it takes a +.I utmpx +structure as its last argument. +.SH SEE ALSO +.BR getutxent (3), +.BR wtmp (5) |