21 * Match a possible value string with the integer option.
24 const char *ival; /* string option */
25 unsigned int oval; /* output value */
26 const char *help; /* help text for sub option */
29 #define OPT_LEN_MAX 1024
30 #define PARSE_MAX_VP 16
36 const char *name; /* option name */
37 const char *alias; /* possible old allowed name */
38 enum fio_opt_type type; /* option type */
39 unsigned int off1; /* potential parameters */
43 unsigned int maxval; /* max and min value */
45 int neg; /* negate value stored */
47 void *cb; /* callback */
48 const char *help; /* help text for option */
49 const char *def; /* default setting */
50 const struct value_pair posval[PARSE_MAX_VP];/* possible values */
51 const char *parent; /* parent option */
54 typedef int (str_cb_fn)(void *, char *);
56 extern int parse_option(const char *, struct fio_option *, void *);
57 extern void sort_options(char **, struct fio_option *, int);
58 extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
59 extern int show_cmd_help(struct fio_option *, const char *);
60 extern void fill_default_options(void *, struct fio_option *);
61 extern void options_init(struct fio_option *);
63 extern void strip_blank_front(char **);
64 extern void strip_blank_end(char *);
65 extern int str_to_decimal(const char *, long long *, int);
68 * Handlers for the options
70 typedef int (fio_opt_str_fn)(void *, const char *);
71 typedef int (fio_opt_str_val_fn)(void *, long long *);
72 typedef int (fio_opt_int_fn)(void *, int *);
73 typedef int (fio_opt_str_set_fn)(void *);
75 #define td_var(start, offset) ((void *) start + (offset))
78 #define min(a, b) ((a) < (b) ? (a) : (b))
81 #define max(a, b) ((a) > (b) ? (a) : (b))