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ceriel 1987-02-05 21:04:40 +00:00
parent c6a224a6d1
commit 775e473fb0
2 changed files with 23 additions and 10 deletions
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9
lang/cem/libcc/gen/localtime.c
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@ -25,13 +25,13 @@ localtime(clock)
register struct tm *gmt; register struct tm *gmt;
long cl; long cl;
int begindst, enddst; int begindst, enddst;
extern int daylight; extern int __daylight;
extern long timezone; extern long __timezone;
tzset(); tzset();
cl = *clock - timezone; cl = *clock - __timezone;
gmt = gmtime(&cl); gmt = gmtime(&cl);
if (daylight) { if (__daylight) {
/* daylight saving time. /* daylight saving time.
Unfortunately, rules differ for different countries. Unfortunately, rules differ for different countries.
Implemented here are heuristics that got it right Implemented here are heuristics that got it right
@ -45,6 +45,7 @@ localtime(clock)
(gmt->tm_yday==begindst && gmt->tm_hour>=2)) && (gmt->tm_yday==begindst && gmt->tm_hour>=2)) &&
(gmt->tm_yday<enddst || (gmt->tm_yday<enddst ||
(gmt->tm_yday==enddst && gmt->tm_hour<3))) { (gmt->tm_yday==enddst && gmt->tm_hour<3))) {
/* it all happens between 2 and 3 */
cl += 1*60*60; cl += 1*60*60;
gmt = gmtime(&cl); gmt = gmtime(&cl);
gmt->tm_isdst++; gmt->tm_isdst++;

24
lang/cem/libcc/gen/tzset.c
View file

@ -7,9 +7,15 @@
#endif #endif
#endif #endif
#ifdef USG
long timezone = -1 * 60; long timezone = -1 * 60;
int daylight = 1; int daylight = 1;
char *tzname[] = {"MET", "MDT",}; char *tzname[] = {"MET", "MDT",};
#endif
long __timezone = -1 * 60;
int __daylight = 1;
char *__tzname[] = {"MET", "MDT", };
tzset() tzset()
{ {
@ -18,15 +24,15 @@ tzset()
struct timezone tzon; struct timezone tzon;
gettimeofday(&tval, &tzon); gettimeofday(&tval, &tzon);
timezone = tzon.tz_minuteswest * 60L; __timezone = tzon.tz_minuteswest * 60L;
daylight = tzon.tz_dsttime; __daylight = tzon.tz_dsttime;
#else #else
#ifndef USG #ifndef USG
struct timeb time; struct timeb time;
ftime(&time); ftime(&time);
timezone = time.timezone*60L; __timezone = time.timezone*60L;
daylight = time.dstflag; __daylight = time.dstflag;
#endif #endif
#endif #endif
@ -48,9 +54,15 @@ tzset()
while(*p >= '0' && *p <= '9') while(*p >= '0' && *p <= '9')
n = 10 * n + (*p++ - '0'); n = 10 * n + (*p++ - '0');
n *= sign; n *= sign;
timezone = ((long)(n * 60)) * 60; __timezone = ((long)(n * 60)) * 60;
daylight = (*p != '\0'); __daylight = (*p != '\0');
strncpy(tzname[1], p, 3); strncpy(tzname[1], p, 3);
} }
} }
#ifdef USG
timezone = __timezone;
daylight = __daylight;
tzname[0] = __tzname[0];
tzname[1] = __tzname[1];
#endif
} }