1 files changed, 36 insertions, 0 deletions
diff --git a/browser/components/migration/nsWindowsMigrationUtils.h b/browser/components/migration/nsWindowsMigrationUtils.h
new file mode 100644
index 000000000..0288d93d3
--- /dev/null
+++ b/browser/components/migration/nsWindowsMigrationUtils.h
@@ -0,0 +1,36 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef windowsmigrationutils__h__
+#define windowsmigrationutils__h__
+
+#include "prtime.h"
+
+static
+PRTime WinMigrationFileTimeToPRTime(FILETIME* filetime, bool* isValid)
+{
+  SYSTEMTIME st;
+  *isValid = ::FileTimeToSystemTime(filetime, &st);
+  if (!*isValid) {
+    return 0;
+  }
+  PRExplodedTime prt;
+  prt.tm_year = st.wYear;
+  // SYSTEMTIME's day-of-month parameter is 1-based,
+  // PRExplodedTime's is 0-based.
+  prt.tm_month = st.wMonth - 1;
+  prt.tm_mday = st.wDay;
+  prt.tm_hour = st.wHour;
+  prt.tm_min = st.wMinute;
+  prt.tm_sec = st.wSecond;
+  prt.tm_usec = st.wMilliseconds * 1000;
+  prt.tm_wday = 0;
+  prt.tm_yday = 0;
+  prt.tm_params.tp_gmt_offset = 0;
+  prt.tm_params.tp_dst_offset = 0;
+  return PR_ImplodeTime(&prt);
+}
+
+#endif
+