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Diffstat (limited to 'src/includes/strlist.h')
-rw-r--r-- | src/includes/strlist.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/includes/strlist.h b/src/includes/strlist.h new file mode 100644 index 00000000..3abe44ff --- /dev/null +++ b/src/includes/strlist.h @@ -0,0 +1,48 @@ +/* + strlist.h + String list macros for making char ** arrays + Based on a previous implementation by Martin Schlemmer + */ + +/* + * 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__ */ |