Bug

- Fixed bug where ISO dates were parsed and the TZ was modified, which should
  have no bearing on a Zulu time.

ChangeLog

@@ -18,6 +18,8 @@ Bugs
    Uli Martens).
  + Fixed bug where '6 months' was interpreted as 180 days, but when rendered
    was shown as '5 months' (thanks to Aikido Guy).
+ + Fixed bug where ISO dates were parsed and the TZ was modified, which should
+   have no bearing on a Zulu time.
 
 ------ old releases ------------------------------
 

src/Date.cpp

@@ -131,13 +131,13 @@ Date::Date (const std::string& input, const std::string& format /* = "m/d/Y" */)
   if (isRelativeDate (input))
     return;
 
-  // Parse an ISO date.
+  // Parse a formatted date.
   Nibbler n (input);
-  if (n.getDateISO (_t) && n.depleted ())
+  if (n.getDate (format, _t) && n.depleted ())
     return;
 
-  // Parse a formatted date.
-  if (n.getDate (format, _t) && n.depleted ())
+  // Parse an ISO date.
+  if (n.getDateISO (_t) && n.depleted ())
     return;
 
   // Perhaps it is an epoch date, in string form?

src/Nibbler.cpp

@@ -694,24 +694,16 @@ bool Nibbler::getDateISO (time_t& t)
 
       // Convert to epoch.
       struct tm tms = {0};
-      tms.tm_isdst = -1;   // Requests that mktime determine summer time effect.
-      tms.tm_mday  = day;
-      tms.tm_mon   = month - 1;
-      tms.tm_year  = year - 1900;
-      tms.tm_hour  = hour;
-      tms.tm_min   = minute;
-      tms.tm_sec   = second;
-
-      char *tz = getenv ("TZ");
-      setenv ("TZ", "UTC", 1);
-      tzset ();
-      t = mktime (&tms);
-      if (tz)
-        setenv ("TZ", tz, 1);
-      else
-        unsetenv ("TZ");
-      tzset();
+      tms.tm_isdst  = -1;   // Requests that mktime determine summer time effect.
+      tms.tm_mday   = day;
+      tms.tm_mon    = month - 1;
+      tms.tm_year   = year - 1900;
+      tms.tm_hour   = hour;
+      tms.tm_min    = minute;
+      tms.tm_sec    = second;
+      tms.tm_gmtoff = 0;
 
+      t = timegm (&tms);
       return true;
     }
   }