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Add new stringlist files.

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Roy Marples
2008-03-16 17:01:35 +00:00
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.\" Copyright 2007-2008 Roy Marples
.\" All rights reserved
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.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" Aq roy@marples.name