1 #include <u.h>
2 #include <libc.h>
3 
4 static
5 void
6 ct_numb(char *cp, int n)
7 {
8 
9 	cp[0] = ' ';
10 	if(n >= 10)
11 		cp[0] = (n/10)%10 + '0';
12 	cp[1] = n%10 + '0';
13 }
14 
15 char*
16 asctime(Tm *t)
17 {
18 	int i;
19 	char *ncp;
20 	static char cbuf[30];
21 
22 	strcpy(cbuf, "Thu Jan 01 00:00:00 GMT 1970\n");
23 	ncp = &"SunMonTueWedThuFriSat"[t->wday*3];
24 	cbuf[0] = *ncp++;
25 	cbuf[1] = *ncp++;
26 	cbuf[2] = *ncp;
27 	ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[t->mon*3];
28 	cbuf[4] = *ncp++;
29 	cbuf[5] = *ncp++;
30 	cbuf[6] = *ncp;
31 	ct_numb(cbuf+8, t->mday);
32 	ct_numb(cbuf+11, t->hour+100);
33 	ct_numb(cbuf+14, t->min+100);
34 	ct_numb(cbuf+17, t->sec+100);
35 	ncp = t->zone;
36 	for(i=0; i<3; i++)
37 		if(ncp[i] == 0)
38 			break;
39 	for(; i<3; i++)
40 		ncp[i] = '?';
41 	ncp = t->zone;
42 	cbuf[20] = *ncp++;
43 	cbuf[21] = *ncp++;
44 	cbuf[22] = *ncp;
45 	if(t->year >= 100) {
46 		cbuf[24] = '2';
47 		cbuf[25] = '0';
48 	}
49 	ct_numb(cbuf+26, t->year+100);
50 	return cbuf;
51 }
52 
53 char*
54 ctime(long t)
55 {
56 	return asctime(localtime(t));
57 }
58