xref: /freebsd/contrib/smbfs/include/cflib.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
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 
37 struct rcfile;
38 
39 /*
40  * A unified options parser
41  */
42 enum opt_argtype {OPTARG_STR, OPTARG_INT, OPTARG_BOOL};
43 
44 struct opt_args;
45 
46 typedef 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 
53 struct 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 
65 extern int cf_opterr, cf_optind, cf_optopt, cf_optreset;
66 extern const char *cf_optarg;
67 
68 __BEGIN_DECLS
69 
70 int  opt_args_parse(struct rcfile *, struct opt_args *, const char *,
71 	opt_callback_t *);
72 int  opt_args_parseopt(struct opt_args *, int, char *, opt_callback_t *);
73 
74 int  cf_getopt(int, char * const *, const char *);
75 
76 int  rc_open(const char *, const char *, struct rcfile **);
77 int  rc_close(struct rcfile *);
78 int  rc_merge(const char *, struct rcfile **);
79 int  rc_getstringptr(struct rcfile *, const char *, const char *, char **);
80 int  rc_getstring(struct rcfile *, const char *, const char *, size_t, char *);
81 int  rc_getint(struct rcfile *, const char *, const char *, int *);
82 int  rc_getbool(struct rcfile *, const char *, const char *, int *);
83 
84 __END_DECLS
85 
86 #endif	/* _zzzzzz_RCFILE_H_ */
87