emsApplication/sdk/mysql/include/my_getopt.h

94 lines
3.6 KiB
C

/* Copyright (C) 2002-2004 MySQL AB
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
the Free Software Foundation; version 2 of the License.
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 */
#ifndef _my_getopt_h
#define _my_getopt_h
C_MODE_START
#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
#define GET_DISABLED 11
#define GET_ENUM 12
#define GET_SET 13
#define GET_DOUBLE 14
#define GET_ASK_ADDR 128
#define GET_TYPE_MASK 127
enum get_opt_arg_type { NO_ARG, OPT_ARG, REQUIRED_ARG };
struct st_typelib;
struct my_option
{
const char *name; /* Name of the option */
int id; /* unique id or short option */
const char *comment; /* option comment, for autom. --help */
void *value; /* The variable value */
void *u_max_value; /* The user def. max variable value */
struct st_typelib *typelib; /* Pointer to possible values */
ulong var_type; /* Must match the variable type */
enum get_opt_arg_type arg_type;
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 */
long block_size; /* Value should be a mult. of this */
void *app_type; /* To be used by an application */
};
typedef my_bool (*my_get_one_option)(int, const struct my_option *, char *);
typedef void (*my_error_reporter)(enum loglevel level, const char *format, ...);
/**
Used to retrieve a reference to the object (variable) that holds the value
for the given option. For example, if var_type is GET_UINT, the function
must return a pointer to a variable of type uint. A argument is stored in
the location pointed to by the returned pointer.
*/
typedef void *(*my_getopt_value)(const char *, uint, const struct my_option *,
int *);
extern char *disabled_my_option;
extern my_bool my_getopt_print_errors;
extern my_bool my_getopt_skip_unknown;
extern my_error_reporter my_getopt_error_reporter;
extern int handle_options (int *argc, char ***argv,
const struct my_option *longopts, my_get_one_option);
extern void my_cleanup_options(const struct my_option *options);
extern void my_print_help(const struct my_option *options);
extern void my_print_variables(const struct my_option *options);
extern void my_getopt_register_get_addr(my_getopt_value);
ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
my_bool *fix);
longlong getopt_ll_limit_value(longlong, const struct my_option *,
my_bool *fix);
my_bool getopt_compare_strings(const char *s, const char *t, uint length);
C_MODE_END
#endif /* _my_getopt_h */