53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
#include "date_time_handling.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <string.h>
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// buffer needs to contain this string: "xxxxxxxxTxxxxxx"
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// or "YYYYmmddTHHMMSSZ"
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void get_date(char buffer[]) {
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// add 1 because strlen does not include the null character
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size_t buffer_size = strlen(buffer) + 1;
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time_t my_unix_ts = time(NULL);
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struct tm* my_tm_local = localtime(&my_unix_ts);
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if (strlen(buffer) == 15) {
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strftime(buffer, buffer_size, "%Y%m%dT%H%M%S", my_tm_local);
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} else if (strlen(buffer) == 16) {
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strftime(buffer, buffer_size, "%Y%m%dT%H%M%SZ", my_tm_local);
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}
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}
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// 20230823T194138 -> 2023-08-23 19:41:38
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void pretty_print_date_time(char date_time[]) {
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char *date = strtok(date_time, "T");
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char *time = strtok(NULL, "T");
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if (date == NULL) {
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printf ("\nError: date points to NULL!\n");
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exit(1);
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}
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printf ("%c%c%c%c-", date[0], date[1], date[2], date[3]);
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printf ("%c%c-", date[4], date[5]);
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printf ("%c%c", date[6], date[7]);
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if (time != NULL) {
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printf (" %c%c:", time[0], time[1]);
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printf ("%c%c:", time[2], time[3]);
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printf ("%c%c", time[4], time[5]);
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}
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}
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void print_end_date(char end_date[]) {
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// end_date is all day event
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if (strlen(end_date) == 8)
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return;
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strtok(end_date, "T");
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char *time = strtok(NULL, "T");
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printf (" - %c%c:", time[0], time[1]);
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printf ("%c%c:", time[2], time[3]);
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printf ("%c%c", time[4], time[5]);
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}
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