GNU libc timegm() turns out to be buggy when DST is on (glibc-2.19).

Fortunately, there's a much simpler way to do the computation correctly.

All regression tests pass,

1 files changed, 1 insertions, 1 deletions

diff --git a/gpsutils.c b/gpsutils.c
index ab03ecd5..6b72776f 100644
--- a/gpsutils.c
+++ b/gpsutils.c
@@ -321,7 +321,7 @@ timestamp_t iso8601_to_unix( /*@in@*/ char *isotime)
 	usec = strtod(dp, NULL);
     else
 	usec = 0;
-    return (timestamp_t)timegm(&tm) + usec;
+    return (timestamp_t)mktime(&tm) - timezone + usec;
 #else
     double usec = 0;