1 files changed, 49 insertions, 0 deletions
diff --git a/gdk-pixbuf/fallback-c89.c b/gdk-pixbuf/fallback-c89.c
new file mode 100755
index 000000000..f2078ff16
--- /dev/null
+++ b/gdk-pixbuf/fallback-c89.c
@@ -0,0 +1,49 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2011 Chun-wei Fan <fanc999@yahoo.com.tw>
+ *
+ * Author: Chun-wei Fan <fanc999@yahoo.com.tw>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <math.h>
+ 
+/* Workaround for round() for non-GCC/non-C99 compilers */
+#ifndef HAVE_ROUND
+static inline double
+round (double x)
+{
+  if (x >= 0)
+    return floor (x + 0.5);
+  else
+    return ceil (x - 0.5);
+}
+#endif
+
+/* Workaround for lrint() for non-GCC/non-C99 compilers */
+#ifndef HAVE_LRINT
+static inline long
+lrint (double x)
+{
+  if (ceil (x + 0.5) == floor (x + 0.5))
+    {
+      if (x < 1 && x > -1)
+        return 0;
+
+      return (int) ceil (x) % 2 == 0 ? ceil (x) : floor (x);
+    }
+  else
+    return x >= 0 ? floor (x + 0.5) : ceil (x - 0.5);
+}
+#endif
+\ No newline at end of file