break;
}
tzset ();
+ init_gettimeofday ();
}
/* Flash the screen as a substitute for BEEPs. */
internal_terminal
= (!noninteractive) && term && !strcmp (term, "internal");
}
+\f
+/* When time zones are set from Ms-Dos too may C-libraries are playing
+ tricks with time values. We solve this by defining our own version
+ of `gettimeofday' bypassing GO32. Our version needs to be initialized
+ once and after each call to `tzset' with TZ changed. */
+
+static int daylight, gmtoffset;
+int
+gettimeofday (struct timeval *tp, struct timezone *tzp)
+{
+ if (tp)
+ {
+ struct time t;
+ struct date d;
+ struct tm tmrec;
+
+ gettime (&t);
+ getdate (&d);
+ tmrec.tm_year = d.da_year - 1900;
+ tmrec.tm_mon = d.da_mon - 1;
+ tmrec.tm_mday = d.da_day;
+ tmrec.tm_hour = t.ti_hour;
+ tmrec.tm_min = t.ti_min;
+ tmrec.tm_sec = t.ti_sec;
+ tmrec.tm_gmtoff = gmtoffset;
+ tmrec.tm_isdst = daylight;
+ tp->tv_sec = mktime (&tmrec);
+ tp->tv_usec = t.ti_hund * (1000000 / 100);
+ }
+ if (tzp)
+ {
+ tzp->tz_minuteswest = gmtoffset;
+ tzp->tz_dsttime = daylight;
+ }
+ return 0;
+}
+
+void
+init_gettimeofday ()
+{
+ time_t ltm, gtm;
+ struct tm *lstm;
+
+ daylight = 0;
+ gmtoffset = 0;
+ ltm = gtm = time (NULL);
+ ltm = mktime (lstm = localtime (<m));
+ gtm = mktime (gmtime (>m));
+ daylight = lstm->tm_isdst;
+ gmtoffset = (int)(gtm - ltm) / 60;
+}
+\f
/* These must be global. */
static _go32_dpmi_seginfo ctrl_break_vector;
static _go32_dpmi_registers ctrl_break_regs;