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).
8 static char elsieid[] = "@(#)asctime.c 7.7";
9 #endif /* !defined NOID */
10 #endif /* !defined lint */
11 #include <sys/cdefs.h>
12 __FBSDID("$FreeBSD$");
16 #include "namespace.h"
18 #include "un-namespace.h"
22 ** A la X3J11, with core dump avoidance.
28 const struct tm * timeptr;
30 static char result[3 * 2 + 5 * INT_STRLEN_MAXIMUM(int) +
32 return(asctime_r(timeptr, result));
36 asctime_r(timeptr, result)
37 const struct tm * timeptr;
40 static const char wday_name[][3] = {
41 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
43 static const char mon_name[][3] = {
44 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
45 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
48 ** Big enough for something such as
49 ** ??? ???-2147483648 -2147483648:-2147483648:-2147483648 -2147483648\n
50 ** (two three-character abbreviations, five strings denoting integers,
51 ** three explicit spaces, two explicit colons, a newline,
52 ** and a trailing ASCII nul).
57 if (timeptr->tm_wday < 0 || timeptr->tm_wday >= DAYSPERWEEK)
59 else wn = wday_name[timeptr->tm_wday];
60 if (timeptr->tm_mon < 0 || timeptr->tm_mon >= MONSPERYEAR)
62 else mn = mon_name[timeptr->tm_mon];
64 ** The X3J11-suggested format is
65 ** "%.3s %.3s%3d %02.2d:%02.2d:%02.2d %d\n"
66 ** Since the .2 in 02.2d is ignored, we drop it.
68 (void) sprintf(result, "%.3s %.3s%3d %02d:%02d:%02d %d\n",
70 timeptr->tm_mday, timeptr->tm_hour,
71 timeptr->tm_min, timeptr->tm_sec,
72 TM_YEAR_BASE + timeptr->tm_year);