51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#ifndef VIETER_CRON
|
|
#define VIETER_CRON
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
|
|
typedef enum cron_parse_error {
|
|
cron_parse_ok = 0,
|
|
cron_parse_invalid_expression = 1,
|
|
cron_parse_invalid_number = 2,
|
|
cron_parse_out_of_range = 3,
|
|
cron_parse_too_many_parts = 4,
|
|
cron_parse_not_enough_parts = 5
|
|
} cron_parse_error;
|
|
|
|
typedef struct cron_expression {
|
|
uint8_t *minutes;
|
|
uint8_t *hours;
|
|
uint8_t *days;
|
|
uint8_t *months;
|
|
uint8_t minute_count;
|
|
uint8_t hour_count;
|
|
uint8_t day_count;
|
|
uint8_t month_count;
|
|
} cron_expression;
|
|
|
|
typedef struct cron_simple_time {
|
|
int year;
|
|
int month;
|
|
int day;
|
|
int hour;
|
|
int minute;
|
|
} cron_simple_time;
|
|
|
|
cron_expression *ce_init();
|
|
|
|
void cron_ce_free(cron_expression *ce);
|
|
|
|
void cron_ce_next(cron_simple_time *out, cron_expression *ce,
|
|
cron_simple_time *ref);
|
|
|
|
void cron_ce_next_from_now(cron_simple_time *out, cron_expression *ce);
|
|
|
|
enum cron_parse_error cron_ce_parse_expression(cron_expression *out,
|
|
const char *expression);
|
|
|
|
#endif
|