rainlance/amiga-tz
1
0
Fork 0
mirror of https://frontier.innolan.net/rainlance/amiga-tz.git synced 2025-12-08 07:02:27 +00:00
Code Releases Activity

separate sources

Browse Source 
SCCS-file: localtime.c
SCCS-SID: 2.22
This commit is contained in:
Arthur David Olson
1986-12-31 14:23:49 -05:00
committed by Paul Eggert
parent 81b34761d8
commit 7c76f8f3e3
1 changed files with 1 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
localtime.c
View File

@ -22,14 +22,9 @@ static char sccsid[] = "%W%";
#endif /* !MAXPATHLEN */
extern char * getenv();
exter struct tm * gmtime();
extern char * strcpy();
extern char * strcat();
#ifndef USG
extern char * sprintf();
#endif /* !USG */
char * asctime();
struct tm * gmtime();
struct ttinfo { /* time type information */
long tt_gmtoff; /* GMT offset in seconds */
@ -268,13 +263,6 @@ long * timep;
return tmp;
}
char *
ctime(timep)
long * timep;
{
return asctime(localtime(timep));
}
/*
********************************************************************************
*/
@ -286,13 +274,7 @@ long * timep;
#define SECS_PER_HOUR (SECS_PER_MIN * MINS_PER_HOUR)
#define SECS_PER_DAY ((long) SECS_PER_HOUR * HOURS_PER_DAY)
#define TM_SUNDAY 0
#define TM_MONDAY 1
#define TM_TUESDAY 2
#define TM_WEDNESDAY 3
#define TM_THURSDAY 4
#define TM_FRIDAY 5
#define TM_SATURDAY 6
#define TM_YEAR_BASE 1900
@ -315,90 +297,6 @@ static int year_lengths[2] = {
#define isleap(y) (((y) % 4) == 0)
#ifdef BSD_COMPAT
dysize(y)
{
return year_lengths[isleap(y)];
}
#endif /* BSD_COMPAT */
struct tm *
gmtime(clock)
long * clock;
{
register struct tm * tmp;
register long days;
register long rem;
register int y;
register int yleap;
register int * ip;
static struct tm tm;
tmp = &tm;
y = EPOCH_YEAR;
days = *clock / SECS_PER_DAY;
rem = *clock % SECS_PER_DAY;
if (rem < 0) {
rem = rem + SECS_PER_DAY;
--days;
}
tmp->tm_hour = (int) (rem / SECS_PER_HOUR);
rem = rem % SECS_PER_HOUR;
tmp->tm_min = (int) (rem / SECS_PER_MIN);
tmp->tm_sec = (int) (rem % SECS_PER_MIN);
tmp->tm_wday = (int) ((EPOCH_WDAY + days) % DAYS_PER_WEEK);
if (tmp->tm_wday < 0)
tmp->tm_wday += DAYS_PER_WEEK;
y = EPOCH_YEAR;
if (days >= 0)
for ( ; ; ) {
yleap = isleap(y);
if (days < (long) year_lengths[yleap])
break;
++y;
days = days - (long) year_lengths[yleap];
}
else do {
--y;
yleap = isleap(y);
days = days + (long) year_lengths[yleap];
} while (days < 0);
tmp->tm_year = y - TM_YEAR_BASE;
tmp->tm_yday = (int) days;
ip = mon_lengths[yleap];
for (tmp->tm_mon = 0; days >= (long) ip[tmp->tm_mon]; ++(tmp->tm_mon))
days = days - (long) ip[tmp->tm_mon];
tmp->tm_mday = (int) (days + 1);
tmp->tm_isdst = 0;
return tmp;
}
/*
** A la X3J11
*/
char *
asctime(timeptr)
register struct tm * timeptr;
{
static char wday_name[7][3] = {
"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
static char mon_name[12][3] = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
static char result[26];
(void) sprintf(result, "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
wday_name[timeptr->tm_wday],
mon_name[timeptr->tm_mon],
timeptr->tm_mday, timeptr->tm_hour,
timeptr->tm_min, timeptr->tm_sec,
TM_YEAR_BASE + timeptr->tm_year);
return result;
}
time_t
mktime(timeptr)
register struct tm * timeptr;