xref: /illumos-gate/usr/src/lib/libsmbfs/cflib.h (revision 8bd1bae7b80c19127d25a15440e161140bcaacea)
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 1.1.1.1 2001/06/09 00:28:11 zarzycki Exp $
33   */
34  
35  #pragma ident	"%Z%%M%	%I%	%E% SMI"
36  
37  #ifndef _CFLIB_H_
38  #define	_CFLIB_H_
39  
40  struct rcfile;
41  
42  /*
43   * A unified options parser
44   */
45  enum opt_argtype {OPTARG_STR, OPTARG_INT, OPTARG_BOOL};
46  
47  struct opt_args;
48  
49  typedef int opt_callback_t (struct opt_args *);
50  
51  #define	OPTFL_NONE	0x0000
52  #define	OPTFL_HAVEMIN	0x0001
53  #define	OPTFL_HAVEMAX	0x0002
54  #define	OPTFL_MINMAX	NAFL_HAVEMIN | NAFL_HAVEMAX
55  
56  struct opt_args {
57  	enum opt_argtype type;
58  	int	opt;		/* command line option */
59  	char	*name;		/* rc file equiv */
60  	int	flag;		/* OPTFL_* */
61  	int	ival;		/* int/bool values, or max len for str value */
62  	char	*str;		/* string value */
63  	int	min;		/* min for ival */
64  	int	max;		/* max for ival */
65  	opt_callback_t *fn;	/* call back to validate */
66  };
67  typedef struct opt_args opt_args_t;
68  
69  extern int cf_opterr, cf_optind, cf_optopt, cf_optreset;
70  extern const char *cf_optarg;
71  
72  #ifdef __cplusplus
73  extern "C" {
74  #endif
75  
76  int  opt_args_parse(struct rcfile *, struct opt_args *, const char *,
77  	opt_callback_t *);
78  int  opt_args_parseopt(struct opt_args *, int, char *, opt_callback_t *);
79  
80  int  cf_getopt(int, char * const *, const char *);
81  
82  int  rc_open(const char *, const char *, struct rcfile **);
83  int  rc_close(struct rcfile *);
84  int  rc_merge(const char *, struct rcfile **);
85  int  rc_merge_pipe(const char *, struct rcfile **);
86  int  rc_getstringptr(struct rcfile *, const char *, const char *, char **);
87  int  rc_getstring(struct rcfile *, const char *, const char *, size_t, char *);
88  int  rc_getint(struct rcfile *, const char *, const char *, int *);
89  int  rc_getbool(struct rcfile *, const char *, const char *, int *);
90  
91  #ifdef __cplusplus
92  }
93  #endif
94  
95  #endif	/* _CFLIB_H_ */
96