Better management of open files
[fio.git] / parse.h
... / ...
CommitLineData
1#ifndef FIO_PARSE_H
2#define FIO_PARSE_H
3
4/*
5 * Option types
6 */
7enum 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 */
22struct 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 */
32struct 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
49typedef int (str_cb_fn)(void *, char *);
50
51extern int parse_option(const char *, struct fio_option *, void *);
52extern int parse_cmd_option(const char *t, const char *l, struct fio_option *, void *);
53extern int show_cmd_help(struct fio_option *, const char *);
54extern void fill_default_options(void *, struct fio_option *);
55extern void options_init(struct fio_option *);
56
57extern void strip_blank_front(char **);
58extern void strip_blank_end(char *);
59
60/*
61 * Handlers for the options
62 */
63typedef int (fio_opt_str_fn)(void *, const char *);
64typedef int (fio_opt_str_val_fn)(void *, long long *);
65typedef int (fio_opt_int_fn)(void *, int *);
66typedef int (fio_opt_str_set_fn)(void *);
67
68#define td_var(start, offset) ((void *) start + (offset))
69
70#endif