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Backport from xs.

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default 2023-06-27 16:52:29 +02:00
parent 1c6cc98f07
commit f543185c71
2 changed files with 44 additions and 4 deletions
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46
xs_time.h
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@ -9,6 +9,7 @@
xs_str *xs_str_time(time_t t, const char *fmt, int local); 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_localtime(t, fmt) xs_str_time(t, fmt, 1)
#define xs_str_utctime(t, fmt) xs_str_time(t, fmt, 0) #define xs_str_utctime(t, fmt) xs_str_time(t, fmt, 0)
time_t xs_parse_iso_date(const char *iso_date, int local);
time_t xs_parse_time(const char *str, const char *fmt, int local); 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_localtime(str, fmt) xs_parse_time(str, fmt, 1)
#define xs_parse_utctime(str, fmt) xs_parse_time(str, fmt, 0) #define xs_parse_utctime(str, fmt) xs_parse_time(str, fmt, 0)
@ -52,16 +53,55 @@ char *strptime(const char *s, const char *format, struct tm *tm);
time_t xs_parse_time(const char *str, const char *fmt, int local) time_t xs_parse_time(const char *str, const char *fmt, int local)
{ {
struct tm tm; time_t t = 0;
#ifndef WITHOUT_STRPTIME
struct tm tm = {0};
memset(&tm, '\0', sizeof(tm));
strptime(str, fmt, &tm); strptime(str, fmt, &tm);
/* try to guess the Daylight Saving Time */ /* try to guess the Daylight Saving Time */
if (local) if (local)
tm.tm_isdst = -1; tm.tm_isdst = -1;
return local ? mktime(&tm) : timegm(&tm); t = local ? mktime(&tm) : timegm(&tm);
#endif /* WITHOUT_STRPTIME */
return t;
}
time_t xs_parse_iso_date(const char *iso_date, int local)
/* parses a YYYY-MM-DDTHH:MM:SS date string */
{
time_t t = 0;
#ifndef WITHOUT_STRPTIME
t = xs_parse_time(iso_date, "%Y-%m-%dT%H:%M:%S", local);
#else /* WITHOUT_STRPTIME */
struct tm tm = {0};
if (sscanf(iso_date, "%d-%d-%dT%d:%d:%d",
&tm.tm_year, &tm.tm_mon, &tm.tm_mday,
&tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) {
tm.tm_year -= 1900;
tm.tm_mon -= 1;
if (local)
tm.tm_isdst = -1;
t = local ? mktime(&tm) : timegm(&tm);
}
#endif /* WITHOUT_STRPTIME */
return t;
} }

2
xs_version.h
View file

@ -1 +1 @@
/* bc5b36414b704fe4cd07f2be58133b82330ce435 */ /* 567d70ecbe16b2358873b8bc971a6e092c3c0074 */