1/*
2 * Copyright (c) 2000, Boris Popov
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *    This product includes software developed by Boris Popov.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: cflib.h,v 1.3 2000/07/11 01:51:49 bp Exp $
33 */
34#ifndef _zzzzzz_RCFILE_H_
35#define _zzzzzz_RCFILE_H_
36
37struct rcfile;
38
39/*
40 * A unified options parser
41 */
42enum opt_argtype {OPTARG_STR, OPTARG_INT, OPTARG_BOOL};
43
44struct opt_args;
45
46typedef int opt_callback_t (struct opt_args*);
47
48#define	OPTFL_NONE	0x0000
49#define	OPTFL_HAVEMIN	0x0001
50#define	OPTFL_HAVEMAX	0x0002
51#define	OPTFL_MINMAX	NAFL_HAVEMIN | NAFL_HAVEMAX
52
53struct opt_args {
54	enum opt_argtype type;
55	int	opt;		/* command line option */
56	char *	name;		/* rc file equiv */
57	int	flag;		/* OPTFL_* */
58	int	ival;		/* int/bool values, or max len for str value */
59	char *	str;		/* string value */
60	int	min;		/* min for ival */
61	int	max;		/* max for ival */
62	opt_callback_t *fn;	/* call back to validate */
63};
64
65extern int cf_opterr, cf_optind, cf_optopt, cf_optreset;
66extern const char *cf_optarg;
67
68__BEGIN_DECLS
69
70int  opt_args_parse(struct rcfile *, struct opt_args *, const char *,
71	opt_callback_t *);
72int  opt_args_parseopt(struct opt_args *, int, char *, opt_callback_t *);
73
74int  cf_getopt(int, char * const *, const char *);
75
76int  rc_open(const char *, const char *, struct rcfile **);
77int  rc_close(struct rcfile *);
78int  rc_merge(const char *, struct rcfile **);
79int  rc_getstringptr(struct rcfile *, const char *, const char *, char **);
80int  rc_getstring(struct rcfile *, const char *, const char *, size_t, char *);
81int  rc_getint(struct rcfile *, const char *, const char *, int *);
82int  rc_getbool(struct rcfile *, const char *, const char *, int *);
83
84__END_DECLS
85
86#endif	/* _zzzzzz_RCFILE_H_ */
87