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diff --git a/libxsde/xsde/cxx/serializer/non-validating/gyear-month.cxx b/libxsde/xsde/cxx/serializer/non-validating/gyear-month.cxx
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+// file : xsde/cxx/serializer/non-validating/gyear-month.cxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2009 Code Synthesis Tools CC
+// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+#include <stdio.h> // sprintf/snprintf
+
+#include <xsde/cxx/serializer/non-validating/gyear-month.hxx>
+#include <xsde/cxx/serializer/non-validating/time-zone.hxx>
+
+namespace xsde
+{
+ namespace cxx
+ {
+ namespace serializer
+ {
+ namespace non_validating
+ {
+ void gyear_month_simpl::
+ pre (const gyear_month& value)
+ {
+ value_ = value;
+ }
+
+ void gyear_month_simpl::
+ _serialize_content ()
+ {
+ // We only need strlen("-2147483649-MM+hh:mm") + 1 characters to
+ // hold all representations of gYearMonth.
+ //
+ char str[21];
+
+ if (value_.month () < 13)
+ {
+#ifdef XSDE_SNPRINTF
+ int n = snprintf (str, 15, "%.4d-%.2u",
+ value_.year (), value_.month ());
+#else
+ int n = sprintf (str, "%.4d-%.2u",
+ value_.year (), value_.month ());
+#endif
+ if (n > 0 && n < 15)
+ {
+ if (value_.zone_present ())
+ {
+ if (int z = bits::serialize_time_zone (str + n, value_))
+ n += z;
+ else
+ return;
+ }
+
+ _characters (str, static_cast<size_t> (n));
+ }
+ }
+ }
+ }
+ }
+ }
+}