static int testTimeFields(const void *args)
{
const struct testTimeFieldsData *data = args;
struct tm actual;
virTimeFieldsThen(data->when, &actual);
#define COMPARE(field) \
do { \
if (data->fields.field != actual.field) { \
VIR_DEBUG("Expect " #field " %d got %d", \
data->fields.field, actual.field); \
return -1; \
} \
} while (0)
/* tm_year value 0 is based off epoch 1900 */
actual.tm_year += 1900;
/* tm_mon is range 0-11, but we want 1-12 */
actual.tm_mon += 1;
COMPARE(tm_year);
COMPARE(tm_mon);
COMPARE(tm_mday);
COMPARE(tm_hour);
COMPARE(tm_min);
COMPARE(tm_sec);
return 0;
}
/**
* virTimeFieldsNowRaw:
* @fields: filled with current time fields
*
* Retrieves the current time, in broken-down field format.
* The time is always in UTC.
*
* Returns 0 on success, -1 on error with errno reported
*/
int virTimeFieldsNow(struct tm *fields)
{
unsigned long long now;
if (virTimeMillisNow(&now) < 0)
return -1;
return virTimeFieldsThen(now, fields);
}
/**
* virTimeStringThenRaw:
* @when: the time to format in milliseconds
* @buf: a buffer at least VIR_TIME_STRING_BUFLEN in length
*
* Initializes @buf to contain a formatted timestamp
* corresponding to the time @when.
*
* Returns 0 on success, -1 on error
*/
int virTimeStringThenRaw(unsigned long long when, char *buf)
{
struct tm fields;
virTimeFieldsThen(when, &fields);
fields.tm_year += 1900;
fields.tm_mon += 1;
if (snprintf(buf, VIR_TIME_STRING_BUFLEN,
"%4d-%02d-%02d %02d:%02d:%02d.%03d+0000",
fields.tm_year, fields.tm_mon, fields.tm_mday,
fields.tm_hour, fields.tm_min, fields.tm_sec,
(int) (when % 1000)) >= VIR_TIME_STRING_BUFLEN) {
errno = ERANGE;
return -1;
}
return 0;
}