2 ** This file is in the public domain, so clarified as of
3 ** June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov).
5 ** $FreeBSD: src/lib/libc/stdtime/asctime.c,v 1.7.6.1 2001/03/05 11:37:20 obrien Exp $
6 ** $DragonFly: src/lib/libcr/stdtime/Attic/asctime.c,v 1.2 2003/06/17 04:26:46 dillon Exp $
18 ** A la X3J11, with core dump avoidance.
24 const struct tm * timeptr;
26 static char result[3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) +
28 return(asctime_r(timeptr, result));
32 asctime_r(timeptr, result)
33 const struct tm * timeptr;
36 static const char wday_name[][3] = {
37 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
39 static const char mon_name[][3] = {
40 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
41 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
44 ** Big enough for something such as
45 ** ??? ???-2147483648 -2147483648:-2147483648:-2147483648 -2147483648\n
46 ** (two three-character abbreviations, five strings denoting integers,
47 ** three explicit spaces, two explicit colons, a newline,
48 ** and a trailing ASCII nul).
50 register const char * wn;
51 register const char * mn;
53 if (timeptr->tm_wday < 0 || timeptr->tm_wday >= DAYSPERWEEK)
55 else wn = wday_name[timeptr->tm_wday];
56 if (timeptr->tm_mon < 0 || timeptr->tm_mon >= MONSPERYEAR)
58 else mn = mon_name[timeptr->tm_mon];
60 ** The X3J11-suggested format is
61 ** "%.3s %.3s%3d %02.2d:%02.2d:%02.2d %d\n"
62 ** Since the .2 in 02.2d is ignored, we drop it.
64 (void) sprintf(result, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
66 timeptr->tm_mday, timeptr->tm_hour,
67 timeptr->tm_min, timeptr->tm_sec,
68 TM_YEAR_BASE + timeptr->tm_year);