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/*
strlist.h
String list macros for making char ** arrays
Based on a previous implementation by Martin Schlemmer
*/
/*
* Copyright 2007 Gentoo Foundation
* Copyright 2007 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.
*/
#ifndef __STRLIST_H__
#define __STRLIST_H__
/* FIXME: We should replace the macro with an rc_strlist_foreach
function, but I'm unsure how to go about this. */
/* Step through each entry in the string list, setting '_pos' to the
beginning of the entry. '_counter' is used by the macro as index,
but should not be used by code as index (or if really needed, then
it should usually by +1 from what you expect, and should only be
used in the scope of the macro) */
#define STRLIST_FOREACH(_list, _pos, _counter) \
if ((_list) && _list[0] && ! (_counter = 0)) \
while ((_pos = _list[_counter++]))
#endif /* __STRLIST_H__ */
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