contrib/smbfs/include/cflib.h

   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_ */