date.c: fix printout of timezone offsets that aren't exact hours

We'd get the sign wrong for the minutes part of a negative offset.

diff --git a/date.c b/date.c
index d3bae90..77a7958 100644 (file)
--- a/date.c
+++ b/date.c
@@ -250,7 +250,7 @@ static int match_tz(char *date, int *offp)
 void parse_date(char *date, char *result, int maxlen)
 {
        struct tm tm;
-       int offset;
+       int offset, sign;
        time_t then;
 
        memset(&tm, 0, sizeof(tm));
@@ -293,7 +293,13 @@ void parse_date(char *date, char *result, int maxlen)
 
        then -= offset * 60;
 
-       snprintf(result, maxlen, "%lu %+03d%02d", then, offset/60, offset % 60);
+       sign = '+';
+       if (offset < 0) {
+               offset = -offset;
+               sign = '-';
+       }
+
+       snprintf(result, maxlen, "%lu %c%02d%02d", then, sign, offset/60, offset % 60);
 }
 
 void datestamp(char *buf, int bufsize)