| 1 | #ifndef FIO_PARSE_H |
| 2 | #define FIO_PARSE_H |
| 3 | |
| 4 | /* |
| 5 | * Option types |
| 6 | */ |
| 7 | enum fio_opt_type { |
| 8 | FIO_OPT_STR = 0, |
| 9 | FIO_OPT_STR_VAL, |
| 10 | FIO_OPT_STR_VAL_INT, |
| 11 | FIO_OPT_STR_VAL_TIME, |
| 12 | FIO_OPT_STR_STORE, |
| 13 | FIO_OPT_RANGE, |
| 14 | FIO_OPT_INT, |
| 15 | FIO_OPT_BOOL, |
| 16 | FIO_OPT_STR_SET, |
| 17 | }; |
| 18 | |
| 19 | /* |
| 20 | * Match a possible value string with the integer option. |
| 21 | */ |
| 22 | struct value_pair { |
| 23 | const char *ival; /* string option */ |
| 24 | unsigned int oval; /* output value */ |
| 25 | }; |
| 26 | |
| 27 | #define PARSE_MAX_VP 16 |
| 28 | |
| 29 | /* |
| 30 | * Option define |
| 31 | */ |
| 32 | struct fio_option { |
| 33 | const char *name; /* option name */ |
| 34 | const char *alias; /* possible old allowed name */ |
| 35 | enum fio_opt_type type; /* option type */ |
| 36 | unsigned int off1; /* potential parameters */ |
| 37 | unsigned int off2; |
| 38 | unsigned int off3; |
| 39 | unsigned int off4; |
| 40 | unsigned int maxval; /* max and min value */ |
| 41 | int minval; |
| 42 | int neg; /* negate value stored */ |
| 43 | void *cb; /* callback */ |
| 44 | const char *help; /* help text for option */ |
| 45 | const char *def; /* default setting */ |
| 46 | const struct value_pair posval[PARSE_MAX_VP];/* possible values */ |
| 47 | }; |
| 48 | |
| 49 | typedef int (str_cb_fn)(void *, char *); |
| 50 | |
| 51 | extern int parse_option(const char *, struct fio_option *, void *); |
| 52 | extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *); |
| 53 | extern int show_cmd_help(struct fio_option *, const char *); |
| 54 | extern void fill_default_options(void *, struct fio_option *); |
| 55 | extern void options_init(struct fio_option *); |
| 56 | |
| 57 | extern void strip_blank_front(char **); |
| 58 | extern void strip_blank_end(char *); |
| 59 | |
| 60 | /* |
| 61 | * Handlers for the options |
| 62 | */ |
| 63 | typedef int (fio_opt_str_fn)(void *, const char *); |
| 64 | typedef int (fio_opt_str_val_fn)(void *, long long *); |
| 65 | typedef int (fio_opt_int_fn)(void *, int *); |
| 66 | typedef int (fio_opt_str_set_fn)(void *); |
| 67 | |
| 68 | #define td_var(start, offset) ((void *) start + (offset)) |
| 69 | |
| 70 | #ifndef min |
| 71 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 72 | #endif |
| 73 | #ifndef max |
| 74 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
| 75 | #endif |
| 76 | |
| 77 | #endif |