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.\" Copyright (c) 2007-2015 The OpenRC Authors.
.\" See the Authors file at the top-level directory of this distribution and
.\" https://github.com/OpenRC/openrc/blob/master/AUTHORS
.\"
.\" This file is part of OpenRC. It is subject to the license terms in
.\" the LICENSE file found in the top-level directory of this
.\" distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
.\" This file may not be copied, modified, propagated, or distributed
.\" except according to the terms contained in the LICENSE file.
.\"
.Dd Mar 16, 2008
.Dt RC_STRLIST 3 SMM
.Os OpenRC
.Sh NAME
.Nm rc_stringlist_add , rc_stringlist_addu , rc_stringlist_delete ,
.Nm rc_stringlist_free , rc_stringlist_new , rc_stringlist_sort
.Nd RC string list functions
.Sh LIBRARY
Run Command library (librc, -lrc)
.Sh SYNOPSIS
.In rc.h
.Ft "RC_STRINGLIST *" Fn rc_stringlist_new void
.Ft "RC_STRING *" Fn rc_stringlist_add "RC_STRINGLIST *list" "const char *item"
.Ft "RC_STRING *" Fn rc_stringlist_addu "RC_STRINGLIST *list" "const char *item"
.Ft bool Fn rc_stringlist_delete RC_STRINGLIST "const char *item"
.Ft void Fn rc_stringlist_free "RC_STRINGLIST *list"
.Ft void Fn rc_stringlist_sort "RC_STRINGLIST *list"
.Sh DESCRIPTION
These functions provide an easy means of manipulating string lists. They are
basically wrappers around TAILQ macros found in
.Xr queue 3 .
.Pp
.Fn rc_stringlist_new
creates a new list head to store the list.
.Pp
.Fn rc_stringlist_add
adds a malloced copy of
.Fa item
to
.Fa list .
It returns a pointer to the new item on success, or NULL on failure and sets
.Va errno
accordingly.
.Fn rc_stringlist_addu
only works if
.Fa list
does not already contain
.Fa item .
.Pp
.Fn rc_stringlist_delete
removes and frees
.Fa item
from
.Fa list ,
retuning true on success, otherwise false.
.Pp
.Fn rc_stringlist_sort
sorts the
.Fa list
according to C locale.
.Pp
.Fn rc_stringlist_free
frees each item on
.Fa list
and the
.Fa list
itself.
.Sh SEE ALSO
.Xr malloc 3 ,
.Xr free 3 ,
.Xr queue 3 ,
.Xr strcmp 3
.Sh AUTHORS
.An Roy Marples <roy@marples.name>
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