char*
asctime(Tm *t)
{
char *ncp;
static char cbuf[30];
strcpy(cbuf, "Thu Jan 01 00:00:00 GMT 1970\n");
ncp = &"SunMonTueWedThuFriSat"[t->wday*3];
cbuf[0] = *ncp++;
cbuf[1] = *ncp++;
cbuf[2] = *ncp;
ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[t->mon*3];
cbuf[4] = *ncp++;
cbuf[5] = *ncp++;
cbuf[6] = *ncp;
ct_numb(cbuf+8, t->mday);
ct_numb(cbuf+11, t->hour+100);
ct_numb(cbuf+14, t->min+100);
ct_numb(cbuf+17, t->sec+100);
ncp = t->zone;
cbuf[20] = *ncp++;
cbuf[21] = *ncp++;
cbuf[22] = *ncp;
if(t->year >= 100) {
cbuf[24] = '2';
cbuf[25] = '0';
}
ct_numb(cbuf+26, t->year+100);
return cbuf;
}
int
Tfmt(Fmt *f1)
{
char s[30];
char *cp;
long t;
Tm tm;
t = va_arg(f1->args, long);
if(t == 0)
return fmtstrcpy(f1, "The Epoch");
klocaltime(t, &tm);
strcpy(s, "Day Mon 00 00:00:00 1900");
cp = &"SunMonTueWedThuFriSat"[tm.wday*3];
s[0] = cp[0];
s[1] = cp[1];
s[2] = cp[2];
cp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[tm.mon*3];
s[4] = cp[0];
s[5] = cp[1];
s[6] = cp[2];
ct_numb(s+8, tm.mday);
ct_numb(s+11, tm.hour+100);
ct_numb(s+14, tm.min+100);
ct_numb(s+17, tm.sec+100);
if(tm.year >= 100) {
s[20] = '2';
s[21] = '0';
}
ct_numb(s+22, tm.year+100);
return fmtstrcpy(f1, s);
}
char*
asctime_r(const struct tm *t, char *buf)
{
char *ncp;
strcpy(buf, "Thu Jan 01 00:00:00 1970\n");
ncp = &"SunMonTueWedThuFriSat"[t->tm_wday*3];
buf[0] = *ncp++;
buf[1] = *ncp++;
buf[2] = *ncp;
ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[t->tm_mon*3];
buf[4] = *ncp++;
buf[5] = *ncp++;
buf[6] = *ncp;
ct_numb(buf+8, t->tm_mday);
ct_numb(buf+11, t->tm_hour+100);
ct_numb(buf+14, t->tm_min+100);
ct_numb(buf+17, t->tm_sec+100);
if(t->tm_year >= 100) {
buf[20] = '2';
buf[21] = '0';
}
ct_numb(buf+22, t->tm_year+100);
return buf;
}
char *
asctime(const struct tm *t)
{
char *cp;
const char *ncp;
const int *tp;
const char *Date = "Day Mon 00 00:00:00 1900\n";
const char *Day = "SunMonTueWedThuFriSat";
const char *Month = "JanFebMarAprMayJunJulAugSepOctNovDec";
static char cbuf[CBUFSIZ];
cp = cbuf;
for (ncp = Date; *cp++ = *ncp++; /* */);
ncp = Day + (3 * t->tm_wday);
cp = cbuf;
*cp++ = *ncp++;
*cp++ = *ncp++;
*cp++ = *ncp++;
cp++;
tp = &t->tm_mon;
ncp = Month + ((*tp) * 3);
*cp++ = *ncp++;
*cp++ = *ncp++;
*cp++ = *ncp++;
cp = ct_numb(cp, *--tp);
cp = ct_numb(cp, *--tp + 100);
cp = ct_numb(cp, *--tp + 100);
--tp;
cp = ct_numb(cp, *tp + 100);
if (t->tm_year < 100) {
/* Common case: "19" already in buffer */
cp += 2;
} else if (t->tm_year < 8100) {
cp = ct_numb(cp, (1900 + t->tm_year) / 100);
cp--;
} else {
/* Only 4-digit years are supported */
errno = EOVERFLOW;
return (NULL);
}
(void) ct_numb(cp, t->tm_year + 100);
return (cbuf);
}
