1 files changed, 15 insertions, 2 deletions
diff --git a/src/lib/libsw602_utils.cpp b/src/lib/libsw602_utils.cpp
index 78f264c..1ae5dbf 100644
--- a/src/lib/libsw602_utils.cpp
+++ b/src/lib/libsw602_utils.cpp
@@ -7,10 +7,13 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  */
 
-#include <cstdio>
-
 #include "libsw602_utils.h"
 
+#include <cstdarg>
+#ifdef DEBUG
+#include <cstdio>
+#endif
+
 namespace libsw602
 {
 
@@ -125,6 +128,16 @@ void skip(librevenge::RVNGInputStream &input, unsigned long numBytes)
   }
 }
 
+#ifdef DEBUG
+void debugPrint(const char *const format, ...)
+{
+  va_list args;
+  va_start(args, format);
+  std::vfprintf(stderr, format, args);
+  va_end(args);
+}
+#endif
+
 }
 
 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */