mirror of
https://codeberg.org/grunfink/snac2.git
synced 2024-11-14 17:45:04 +00:00
70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/* copyright (c) 2022 - 2023 grunfink / MIT license */
|
|
|
|
#ifndef _XS_TIME_H
|
|
|
|
#define _XS_TIME_H
|
|
|
|
#include <time.h>
|
|
|
|
xs_str *xs_str_time(time_t t, const char *fmt, int local);
|
|
#define xs_str_localtime(t, fmt) xs_str_time(t, fmt, 1)
|
|
#define xs_str_utctime(t, fmt) xs_str_time(t, fmt, 0)
|
|
time_t xs_parse_time(const char *str, const char *fmt, int local);
|
|
#define xs_parse_localtime(str, fmt) xs_parse_time(str, fmt, 1)
|
|
#define xs_parse_utctime(str, fmt) xs_parse_time(str, fmt, 0)
|
|
xs_str *xs_str_time_diff(time_t time_diff);
|
|
|
|
#ifdef XS_IMPLEMENTATION
|
|
|
|
xs_str *xs_str_time(time_t t, const char *fmt, int local)
|
|
/* returns a string with a formated time */
|
|
{
|
|
struct tm tm;
|
|
char tmp[64];
|
|
|
|
if (t == 0)
|
|
t = time(NULL);
|
|
|
|
if (local)
|
|
localtime_r(&t, &tm);
|
|
else
|
|
gmtime_r(&t, &tm);
|
|
|
|
strftime(tmp, sizeof(tmp), fmt, &tm);
|
|
|
|
return xs_str_new(tmp);
|
|
}
|
|
|
|
|
|
xs_str *xs_str_time_diff(time_t time_diff)
|
|
/* returns time_diff in seconds to 'human' units (d:hh:mm:ss) */
|
|
{
|
|
int secs = time_diff % 60;
|
|
int mins = (time_diff /= 60) % 60;
|
|
int hours = (time_diff /= 60) % 24;
|
|
int days = (time_diff /= 24);
|
|
|
|
return xs_fmt("%d:%02d:%02d:%02d", days, hours, mins, secs);
|
|
}
|
|
|
|
|
|
char *strptime(const char *s, const char *format, struct tm *tm);
|
|
|
|
time_t xs_parse_time(const char *str, const char *fmt, int local)
|
|
{
|
|
struct tm tm;
|
|
|
|
memset(&tm, '\0', sizeof(tm));
|
|
strptime(str, fmt, &tm);
|
|
|
|
/* try to guess the Daylight Saving Time */
|
|
if (local)
|
|
tm.tm_isdst = -1;
|
|
|
|
return local ? mktime(&tm) : timegm(&tm);
|
|
}
|
|
|
|
|
|
#endif /* XS_IMPLEMENTATION */
|
|
|
|
#endif /* _XS_TIME_H */
|