Allow progressive writes to be encrypted.

[libdcp.git] / src / metadata.cc

diff --git a/src/metadata.cc b/src/metadata.cc
index 5304fd96dbbc9f2ae62e29474d2d9597a96e1524..bcf5d76c62c659940d6cf7116b11a94b7b645c24 100644 (file)
--- a/src/metadata.cc
+++ b/src/metadata.cc
@@ -52,25 +52,30 @@ void
 XMLMetadata::set_issue_date_now ()
 {
        char buffer[64];
-       time_t now;
-       time (&now);
+       time_t now = time (0);
        struct tm* tm = localtime (&now);
-#ifdef LIBDCP_POSIX    
-       strftime (buffer, 64, "%Y-%m-%dT%I:%M:%S%z", tm);
-       issue_date = string (buffer);
-#else
-       /* No %z for strftime on Windows: it will seemingly be interpreted as %Z and will
-          output some localised string describing the timezone */
        strftime (buffer, 64, "%Y-%m-%dT%I:%M:%S", tm);
 
+       int offset = 0;
+
+#ifdef LIBDCP_POSIX
+
+       offset = tm->tm_gmtoff / 60;
+       
+#else
        TIME_ZONE_INFORMATION tz;
        GetTimeZoneInformation (&tz);
-       issue_date = string (buffer) + bias_to_string (tz.Bias);
+       offset = tz.Bias;
 #endif
+       
+       issue_date = string (buffer) + utc_offset_to_string (offset);
 }
 
+/** @param b Offset from UTC to local time in minutes.
+ *  @return string of the form e.g. -01:00.
+ */
 string
-XMLMetadata::bias_to_string (int b)
+XMLMetadata::utc_offset_to_string (int b)
 {
        bool const negative = (b < 0);
        b = negative ? -b : b;
@@ -85,6 +90,6 @@ XMLMetadata::bias_to_string (int b)
                o << "+";
        }
 
-       o << setw(2) << setfill('0') << hours << setw(2) << setfill('0') << minutes;
+       o << setw(2) << setfill('0') << hours << ":" << setw(2) << setfill('0') << minutes;
        return o.str ();
 }