blob: 1a71864fa12157715cdb2fd03567a5f1eb0808bc [file] [log] [blame]
#ifndef FIO_PARSE_H
#define FIO_PARSE_H
/*
* Option types
*/
enum fio_opt_type {
FIO_OPT_STR = 0,
FIO_OPT_STR_VAL,
FIO_OPT_STR_VAL_INT,
FIO_OPT_STR_VAL_TIME,
FIO_OPT_STR_STORE,
FIO_OPT_RANGE,
FIO_OPT_INT,
FIO_OPT_BOOL,
FIO_OPT_STR_SET,
};
/*
* Match a possible value string with the integer option.
*/
struct value_pair {
const char *ival; /* string option */
unsigned int oval; /* output value */
};
#define PARSE_MAX_VP 16
/*
* Option define
*/
struct fio_option {
const char *name; /* option name */
const char *alias; /* possible old allowed name */
enum fio_opt_type type; /* option type */
unsigned int off1; /* potential parameters */
unsigned int off2;
unsigned int off3;
unsigned int off4;
unsigned int maxval; /* max and min value */
int minval;
int neg; /* negate value stored */
void *cb; /* callback */
const char *help; /* help text for option */
const char *def; /* default setting */
const struct value_pair posval[PARSE_MAX_VP];/* possible values */
};
typedef int (str_cb_fn)(void *, char *);
extern int parse_option(const char *, struct fio_option *, void *);
extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
extern int show_cmd_help(struct fio_option *, const char *);
extern void fill_default_options(void *, struct fio_option *);
extern void options_init(struct fio_option *);
extern void strip_blank_front(char **);
extern void strip_blank_end(char *);
/*
* Handlers for the options
*/
typedef int (fio_opt_str_fn)(void *, const char *);
typedef int (fio_opt_str_val_fn)(void *, long long *);
typedef int (fio_opt_int_fn)(void *, int *);
typedef int (fio_opt_str_set_fn)(void *);
#define td_var(start, offset) ((void *) start + (offset))
#ifndef min
#define min(a, b) ((a) < (b) ? (a) : (b))
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
#endif