2 files changed, 42 insertions, 1 deletions
diff --git a/Gem/develop/include/Gem/Gem/Loaders.h b/Gem/develop/include/Gem/Gem/Loaders.h
index 2a3e1c0..ccc5769 100644
--- a/Gem/develop/include/Gem/Gem/Loaders.h
+++ b/Gem/develop/include/Gem/Gem/Loaders.h
@@ -18,8 +18,20 @@ LOG
 #include "Gem/RTE.h"
 
 extern "C" {
-  typedef int (*gem_loader_t)(t_canvas *canvas, char *classname);
+  /* search for a class <classname> in <path>
+   * if <path> is NULL, search all paths yourself
+   * Only on Pd>=0.47 will <path> have a value */
+  typedef int (*gem_loader_t)(const t_canvas *canvas, const char *classname, const char *path);
+  /* register a loader that respects the path (any file-based loader)
+   * In Pd<0.47 this loader will be called with a path==NULL, and the loader needs to iterate
+   * over the paths on its own (e.g. using canvas_open())
+   * In Pd>=0.47 this loader will only be called with path!=NULL
+   */
   void gem_register_loader(gem_loader_t loader);
+  /* registers a loader that ignores the path (path will always be set to NULL)
+   * for Pd>=0.47 this loader will be called after all the path-accepting loaders
+   */
+  void gem_register_loader_nopath(gem_loader_t loader);
 }
 
 #endif
diff --git a/Gem/develop/include/Gem/Utils/nop.h b/Gem/develop/include/Gem/Utils/nop.h
new file mode 100644
index 0000000..0be005b
--- /dev/null
+++ b/Gem/develop/include/Gem/Utils/nop.h
@@ -0,0 +1,29 @@
+/*-----------------------------------------------------------------
+LOG
+    GEM - Graphics Environment for Multimedia
+
+    nop.h
+       - contains nop functions/macros
+       - part of GEM
+
+    Copyright (c) 2016 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
+    For information on usage and redistribution, and for a DISCLAIMER OF ALL
+    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+-----------------------------------------------------------------*/
+
+#ifndef _INCLUDE__GEM_UTILS_NOP_H_
+#define _INCLUDE__GEM_UTILS_NOP_H_
+
+#if __STDC_VERSION__ >= 199901L
+# define nop(...)
+#else
+# define nop
+#endif
+
+static inline void gem__nop_post(void) { ; }
+static inline void gem__nop_post(const char*fmt, ...) { ; }
+#define nop_post gem__nop_post
+
+#endif  // for header file
+