'\" t
.\"     Title: ll2_rename_user
.\"    Author: [see the "AUTHOR(S)" section]
.\" Generator: Asciidoctor 2.0.22
.\"      Date: 2024-05-06
.\"    Manual: Programmer's Manual
.\"    Source: util-linux 2.40.1
.\"  Language: English
.\"
.TH "LL2_RENAME_USER" "3" "2024-05-06" "util\-linux 2.40.1" "Programmer\*(Aqs Manual"
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.ss \n[.ss] 0
.nh
.ad l
.de URL
\fI\\$2\fP <\\$1>\\$3
..
.als MTO URL
.if \n[.g] \{\
.  mso www.tmac
.  am URL
.    ad l
.  .
.  am MTO
.    ad l
.  .
.  LINKSTYLE blue R < >
.\}
.SH "NAME"
ll2_rename_user \- Renames an user entry.
.SH "SYNOPSIS"
.sp
\fB#include <lastlog2.h>\fP
.sp
\fBint ll2_rename_user (struct ll2_context *\fIcontext\fP, const char *\fIuser\fP,
const char *\fInewname\fP, char **\fIerror\fP);\fP
.SH "DESCRIPTION"
.sp
Changing user name from \fIuser\fP to \fInewname\fP of one entry in
database, which is defined by \fIcontext\fP. All other entries with the user \fIuser\fP
will be deleted.
If \fIcontext\fP is NULL, the default database, defined in \fILL2_DEFAULT_DATABASE\fP,
will be taken.
.sp
.if n .RS 4
.nf
.fam C
char    *error = NULL;
const   char *user = "root";
const   char *new_user = "notroot";

int ret = ll2_rename_user (NULL, user, new_user, &error);
.fam
.fi
.if n .RE
.SH "RETURN VALUE"
.sp
Returns 0 on success, \-ENOMEM or \-1 on other failure.
\fIerror\fP contains an error string if the return value is \-1.
\fIerror\fP is not guaranteed to contain an error string, could also be NULL.
\fIerror\fP should be freed by the caller.
.SH "AUTHORS"
.sp
Thorsten Kukuk (\c
.MTO "kukuk\(atsuse.de" "" ")"
.SH "SEE ALSO"
.sp
\fBlastlog2\fP(3),
\fBll2_new_context(3),
*ll2_unref_context(3),
*ll2_read_all\fP(3),
\fBll2_write_entry\fP(3),
\fBll2_read_entry\fP(3),
\fBll2_remove_entry\fP(3),
\fBll2_update_login_time\fP(3),
\fBll2_import_lastlog\fP(3)
.SH "REPORTING BUGS"
.sp
For bug reports, use the issue tracker at \c
.URL "https://github.com/util\-linux/util\-linux/issues" "" "."
.SH "AVAILABILITY"
.sp
The \fBliblastlog2\fP library is part of the util\-linux package since version 2.40. It can be downloaded from \c
.URL "https://www.kernel.org/pub/linux/utils/util\-linux/" "Linux Kernel Archive" "."