const char *show_date(unsigned long time, int tz, enum date_mode mode)
{
struct tm *tm;
static char timebuf[200];
if (mode == DATE_RAW) {
snprintf(timebuf, sizeof(timebuf), "%lu %+05d", time, tz);
return timebuf;
}
if (mode == DATE_RELATIVE) {
struct timeval now;
gettimeofday(&now, NULL);
return show_date_relative(time, tz, &now,
timebuf, sizeof(timebuf));
}
if (mode == DATE_LOCAL)
tz = local_tzoffset(time);
tm = time_to_tm(time, tz);
if (!tm)
return NULL;
if (mode == DATE_SHORT)
sprintf(timebuf, "%04d-%02d-%02d", tm->tm_year + 1900,
tm->tm_mon + 1, tm->tm_mday);
else if (mode == DATE_ISO8601)
sprintf(timebuf, "%04d-%02d-%02d %02d:%02d:%02d %+05d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tz);
else if (mode == DATE_RFC2822)
sprintf(timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
weekday_names[tm->tm_wday], tm->tm_mday,
month_names[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
else
sprintf(timebuf, "%.3s %.3s %d %02d:%02d:%02d %d%c%+05d",
weekday_names[tm->tm_wday],
month_names[tm->tm_mon],
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tm->tm_year + 1900,
(mode == DATE_LOCAL) ? 0 : ' ',
tz);
return timebuf;
}
const char *show_date(unsigned long time, int tz, enum date_mode mode)
{
struct tm *tm;
static struct strbuf timebuf = STRBUF_INIT;
if (mode == DATE_RAW) {
strbuf_reset(&timebuf);
strbuf_addf(&timebuf, "%lu %+05d", time, tz);
return timebuf.buf;
}
if (mode == DATE_RELATIVE) {
struct timeval now;
strbuf_reset(&timebuf);
gettimeofday(&now, NULL);
show_date_relative(time, tz, &now, &timebuf);
return timebuf.buf;
}
if (mode == DATE_LOCAL)
tz = local_tzoffset(time);
tm = time_to_tm(time, tz);
if (!tm) {
tm = time_to_tm(0, 0);
tz = 0;
}
strbuf_reset(&timebuf);
if (mode == DATE_SHORT)
strbuf_addf(&timebuf, "%04d-%02d-%02d", tm->tm_year + 1900,
tm->tm_mon + 1, tm->tm_mday);
else if (mode == DATE_ISO8601)
strbuf_addf(&timebuf, "%04d-%02d-%02d %02d:%02d:%02d %+05d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tz);
else if (mode == DATE_ISO8601_STRICT) {
char sign = (tz >= 0) ? '+' : '-';
tz = abs(tz);
strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
sign, tz / 100, tz % 100);
} else if (mode == DATE_RFC2822)
strbuf_addf(&timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
weekday_names[tm->tm_wday], tm->tm_mday,
month_names[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
else
strbuf_addf(&timebuf, "%.3s %.3s %d %02d:%02d:%02d %d%c%+05d",
weekday_names[tm->tm_wday],
month_names[tm->tm_mon],
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tm->tm_year + 1900,
(mode == DATE_LOCAL) ? 0 : ' ',
tz);
return timebuf.buf;
}
const char *show_date(unsigned long time, int tz, enum date_mode mode)
{
struct tm *tm;
static char timebuf[200];
if (mode == DATE_RELATIVE) {
unsigned long diff;
struct timeval now;
gettimeofday(&now, NULL);
if (now.tv_sec < time)
return "in the future";
diff = now.tv_sec - time;
if (diff < 90) {
snprintf(timebuf, sizeof(timebuf), "%lu seconds ago", diff);
return timebuf;
}
/* Turn it into minutes */
diff = (diff + 30) / 60;
if (diff < 90) {
snprintf(timebuf, sizeof(timebuf), "%lu minutes ago", diff);
return timebuf;
}
/* Turn it into hours */
diff = (diff + 30) / 60;
if (diff < 36) {
snprintf(timebuf, sizeof(timebuf), "%lu hours ago", diff);
return timebuf;
}
/* We deal with number of days from here on */
diff = (diff + 12) / 24;
if (diff < 14) {
snprintf(timebuf, sizeof(timebuf), "%lu days ago", diff);
return timebuf;
}
/* Say weeks for the past 10 weeks or so */
if (diff < 70) {
snprintf(timebuf, sizeof(timebuf), "%lu weeks ago", (diff + 3) / 7);
return timebuf;
}
/* Say months for the past 12 months or so */
if (diff < 360) {
snprintf(timebuf, sizeof(timebuf), "%lu months ago", (diff + 15) / 30);
return timebuf;
}
/* Else fall back on absolute format.. */
}
if (mode == DATE_LOCAL)
tz = local_tzoffset(time);
tm = time_to_tm(time, tz);
if (!tm)
return NULL;
if (mode == DATE_SHORT)
sprintf(timebuf, "%04d-%02d-%02d", tm->tm_year + 1900,
tm->tm_mon + 1, tm->tm_mday);
else if (mode == DATE_ISO8601)
sprintf(timebuf, "%04d-%02d-%02d %02d:%02d:%02d %+05d",
tm->tm_year + 1900,
tm->tm_mon + 1,
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tz);
else if (mode == DATE_RFC2822)
sprintf(timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d",
weekday_names[tm->tm_wday], tm->tm_mday,
month_names[tm->tm_mon], tm->tm_year + 1900,
tm->tm_hour, tm->tm_min, tm->tm_sec, tz);
else
sprintf(timebuf, "%.3s %.3s %d %02d:%02d:%02d %d%c%+05d",
weekday_names[tm->tm_wday],
month_names[tm->tm_mon],
tm->tm_mday,
tm->tm_hour, tm->tm_min, tm->tm_sec,
tm->tm_year + 1900,
(mode == DATE_LOCAL) ? 0 : ' ',
tz);
return timebuf;
}