25 * Match a possible value string with the integer option.
28 const char *ival; /* string option */
29 unsigned int oval; /* output value */
30 const char *help; /* help text for sub option */
31 int or; /* OR value */
32 void *cb; /* sub-option callback */
35 #define OPT_LEN_MAX 4096
36 #define PARSE_MAX_VP 24
42 const char *name; /* option name */
43 const char *alias; /* possible old allowed name */
44 enum fio_opt_type type; /* option type */
45 unsigned int off1; /* potential parameters */
51 void *roff1, *roff2, *roff3, *roff4, *roff5, *roff6;
52 unsigned int maxval; /* max and min value */
54 double maxfp; /* max and min floating value */
56 unsigned int maxlen; /* max length */
57 int neg; /* negate value stored */
59 void *cb; /* callback */
60 const char *help; /* help text for option */
61 const char *def; /* default setting */
62 struct value_pair posval[PARSE_MAX_VP];/* possible values */
63 const char *parent; /* parent option */
64 int (*verify)(struct fio_option *, void *);
65 const char *prof_name; /* only valid for specific profile */
68 typedef int (str_cb_fn)(void *, char *);
70 extern int parse_option(char *, const char *, struct fio_option *, struct fio_option **, void *);
71 extern void sort_options(char **, struct fio_option *, int);
72 extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
73 extern int show_cmd_help(struct fio_option *, const char *);
74 extern void fill_default_options(void *, struct fio_option *);
75 extern void option_init(struct fio_option *);
76 extern void options_init(struct fio_option *);
77 extern void options_free(struct fio_option *, void *);
79 extern void strip_blank_front(char **);
80 extern void strip_blank_end(char *);
81 extern int str_to_decimal(const char *, long long *, int, void *);
82 extern int str_to_float(const char *str, double *val);
85 * Handlers for the options
87 typedef int (fio_opt_str_fn)(void *, const char *);
88 typedef int (fio_opt_str_val_fn)(void *, long long *);
89 typedef int (fio_opt_int_fn)(void *, int *);
90 typedef int (fio_opt_str_set_fn)(void *);
92 #define td_var(start, offset) ((void *) start + (offset))
94 static inline int parse_is_percent(unsigned long long val)
96 return val <= -1ULL && val >= (-1ULL - 100ULL);