Initial revision
diff --git a/src/base/ftdebug.c b/src/base/ftdebug.c
new file mode 100644
index 0000000..168f9b7
--- /dev/null
+++ b/src/base/ftdebug.c
@@ -0,0 +1,93 @@
+/***************************************************************************/
+/*                                                                         */
+/*  ftdebug.c                                                              */
+/*                                                                         */
+/*    Debugging and logging component (body).                              */
+/*                                                                         */
+/*  Copyright 1996-1999 by                                                 */
+/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
+/*                                                                         */
+/*  This file is part of the FreeType project, and may only be used        */
+/*  modified and distributed under the terms of the FreeType project       */
+/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
+/*  this file you indicate that you have read the license and              */
+/*  understand and accept it fully.                                        */
+/*                                                                         */
+/***************************************************************************/
+
+
+#include <ftdebug.h>
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+  char  ft_trace_levels[trace_max];
+#endif
+
+
+#if defined( FT_DEBUG_LEVEL_ERROR ) || defined( FT_DEBUG_LEVEL_TRACE )
+
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+  /*************************************************************************/
+  /*                                                                       */
+  /* The Print() function is defined in ftconfig.h.  It defaults to        */
+  /* vprintf() on systems which have it.                                   */
+  /*                                                                       */
+  /*************************************************************************/
+
+
+  void  FT_Message( const char*  fmt, ... )
+  {
+    va_list  ap;
+
+
+    va_start( ap, fmt );
+    vprintf( fmt, ap );
+    va_end( ap );
+  }
+
+
+  void  FT_Panic( const char*  fmt, ... )
+  {
+    va_list  ap;
+
+
+    va_start( ap, fmt );
+    vprintf( fmt, ap );
+    va_end( ap );
+
+    exit( EXIT_FAILURE );
+  }
+
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+  EXPORT_FUNC
+  void  FT_SetTraceLevel( FT_Trace  component,
+                          char      level )
+  {
+    if ( component >= trace_max )
+      return;
+
+    /* if component is `trace_any', then change _all_ levels at once */
+    if ( component == trace_any )
+    {
+      int  n;
+
+
+      for ( n = trace_any; n < trace_max; n++ )
+        ft_trace_levels[n] = level;
+    }
+    else        /* otherwise, only change individual component */
+      ft_trace_levels[component] = level;
+  }
+
+#endif /* FT_DEBUG_LEVEL_TRACE */
+
+#endif /* FT_DEBUG_LEVEL_TRACE || FT_DEBUG_LEVEL_ERROR */
+
+
+/* END */