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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/updwtmp.3 | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | man3/updwtmp.3 | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/man3/updwtmp.3 b/man3/updwtmp.3 new file mode 100644 index 0000000..99113e8 --- /dev/null +++ b/man3/updwtmp.3 @@ -0,0 +1,82 @@ +'\" t +.\" 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 2023-07-20 "Linux man-pages 6.05.01" +.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). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR updwtmp (), +.BR logwtmp () +T} Thread safety MT-Unsafe sig:ALRM timer +.TE +.sp 1 +.SH VERSIONS +For consistency with the other "utmpx" functions (see +.BR getutxent (3)), +glibc provides (since glibc 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 STANDARDS +None. +.SH HISTORY +Solaris, NetBSD. +.SH SEE ALSO +.BR getutxent (3), +.BR wtmp (5) |