49 lines
2.1 KiB
C
49 lines
2.1 KiB
C
/*
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strlist.h
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String list macros for making char ** arrays
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Based on a previous implementation by Martin Schlemmer
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*/
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/*
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* Copyright 2007 Roy Marples
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* All rights reserved
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef __STRLIST_H__
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#define __STRLIST_H__
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/* FIXME: We should replace the macro with an rc_strlist_foreach
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function, but I'm unsure how to go about this. */
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/* Step through each entry in the string list, setting '_pos' to the
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beginning of the entry. '_counter' is used by the macro as index,
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but should not be used by code as index (or if really needed, then
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it should usually by +1 from what you expect, and should only be
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used in the scope of the macro) */
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#define STRLIST_FOREACH(_list, _pos, _counter) \
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if ((_list) && _list[0] && ! (_counter = 0)) \
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while ((_pos = _list[_counter++]))
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#endif /* __STRLIST_H__ */
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