my_getopt.h 2.89 KB
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/* Copyright (C) 2002-2004 MySQL AB
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   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

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#ifndef _my_getopt_h
#define _my_getopt_h

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C_MODE_START
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#define GET_NO_ARG     1
#define GET_BOOL       2
#define GET_INT        3
#define GET_UINT       4
#define GET_LONG       5
#define GET_ULONG      6
#define GET_LL         7
#define GET_ULL        8
#define GET_STR        9
#define GET_STR_ALLOC 10
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#define GET_DISABLED  11
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#define GET_ASK_ADDR	 128
#define GET_TYPE_MASK	 127
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enum get_opt_arg_type { NO_ARG, OPT_ARG, REQUIRED_ARG };

struct my_option
{
  const char *name;                     /* Name of the option */
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  int        id;                        /* unique id or short option */
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  const char *comment;                  /* option comment, for autom. --help */
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  gptr       *value;                    /* The variable value */
  gptr       *u_max_value;              /* The user def. max variable value */
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  const char **str_values;              /* Pointer to possible values */
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  ulong     var_type;
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  enum get_opt_arg_type arg_type;
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  longlong   def_value;                 /* Default value */
  longlong   min_value;                 /* Min allowed value */
  longlong   max_value;                 /* Max allowed value */
  longlong   sub_size;                  /* Subtract this from given value */
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  long       block_size;                /* Value should be a mult. of this */
  int        app_type;                  /* To be used by an application */
};

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typedef my_bool (* my_get_one_option) (int, const struct my_option *, char * );
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typedef void (* my_error_reporter) (enum loglevel level, const char *format, ... );
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extern char *disabled_my_option;
extern my_bool my_getopt_print_errors;
extern my_error_reporter my_getopt_error_reporter;

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extern int handle_options (int *argc, char ***argv, 
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			   const struct my_option *longopts, my_get_one_option);
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extern void my_print_help(const struct my_option *options);
extern void my_print_variables(const struct my_option *options);
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extern void my_getopt_register_get_addr(gptr* (*func_addr)(const char *, uint,
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							   const struct my_option *));
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ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
                                 bool *fixed);
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my_bool getopt_compare_strings(const char *s, const char *t, uint length);
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C_MODE_END
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#endif /* _my_getopt_h */