(fix) safe guard against bogus tz offset definition

2016-05-17 11:18:40 -04:00 · 2016-05-17 11:18:40 -04:00 · 98c5f77945
parent c5526bb70a
commit 98c5f77945
1 changed files with 4 additions and 0 deletions
--- a/SOPE/NGCards/iCalTimeZonePeriod.m
+++ b/SOPE/NGCards/iCalTimeZonePeriod.m
@ -64,6 +64,10 @@
  offsetTo = [[self uniqueChildWithTag: offsetName]
               flattenedValuesForKey: @""];
  length = [offsetTo length];
+
+  if (!length)
+    return seconds;
+
  negative = [offsetTo hasPrefix: @"-"];
  if (negative)
    {