98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
/*
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Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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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,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _my_getopt_h
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#define _my_getopt_h
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C_MODE_START
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#define GET_NO_ARG 1
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#define GET_BOOL 2
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#define GET_INT 3
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#define GET_UINT 4
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#define GET_LONG 5
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#define GET_ULONG 6
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#define GET_LL 7
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#define GET_ULL 8
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#define GET_STR 9
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#define GET_STR_ALLOC 10
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#define GET_DISABLED 11
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#define GET_ENUM 12
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#define GET_SET 13
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#define GET_DOUBLE 14
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#define GET_ASK_ADDR 128
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#define GET_TYPE_MASK 127
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enum get_opt_arg_type { NO_ARG, OPT_ARG, REQUIRED_ARG };
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struct st_typelib;
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struct my_option
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{
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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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void *value; /* The variable value */
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void *u_max_value; /* The user def. max variable value */
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struct st_typelib *typelib; /* Pointer to possible values */
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ulong var_type; /* Must match the variable type */
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enum get_opt_arg_type arg_type;
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longlong def_value; /* Default value */
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longlong min_value; /* Min allowed value */
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ulonglong max_value; /* Max allowed value */
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longlong sub_size; /* Subtract this from given value */
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long block_size; /* Value should be a mult. of this */
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void *app_type; /* To be used by an application */
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};
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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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ATTRIBUTE_FORMAT_FPTR(printf, 2, 3);
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/**
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Used to retrieve a reference to the object (variable) that holds the value
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for the given option. For example, if var_type is GET_UINT, the function
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must return a pointer to a variable of type uint. A argument is stored in
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the location pointed to by the returned pointer.
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*/
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typedef void *(*my_getopt_value)(const char *, uint, const struct my_option *,
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int *);
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extern char *disabled_my_option;
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extern my_bool my_getopt_print_errors;
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extern my_bool my_getopt_skip_unknown;
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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_cleanup_options(const struct my_option *options);
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extern void my_print_help(const struct my_option *options);
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extern void my_print_variables(const struct my_option *options);
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extern void my_getopt_register_get_addr(my_getopt_value);
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ulonglong getopt_ull_limit_value(ulonglong num, const struct my_option *optp,
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my_bool *fix);
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longlong getopt_ll_limit_value(longlong, const struct my_option *,
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my_bool *fix);
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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 */
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