date.c: use the local timezone if none specified

diff --git a/date.c b/date.c
index b59e832d6c58d94e2ab9e4027fb0de11e8987e13..ffa4246aa04cae3775ef29307362651fc31191c3 100644 (file)
--- a/date.c
+++ b/date.c
@@ -245,7 +245,8 @@ void parse_date(char *date, char *result, int maxlen)
        tm.tm_year = -1;
        tm.tm_mon = -1;
        tm.tm_mday = -1;
-       offset = 0;
+       tm.tm_isdst = -1;
+       offset = -1;
 
        for (;;) {
                int match = 0;
@@ -270,7 +271,11 @@ void parse_date(char *date, char *result, int maxlen)
                date += match;
        }
 
-       then = my_mktime(&tm); /* mktime uses local timezone */
+       /* mktime uses local timezone */
+       then = my_mktime(&tm); 
+       if (offset == -1)
+               offset = (then - mktime(&tm)) / 60;
+
        if (then == -1)
                return;