Index: trunk/src/Makefile.in
===================================================================
--- trunk/src/Makefile.in	(revision 1575)
+++ trunk/src/Makefile.in	(revision 1576)
@@ -95,7 +95,9 @@
 	thermal.o
 	undo.o
 	undo_act.o
+	vtlibrary.o
 	vtonpoint.o
+	vtptr.o
 	parse_y.o
 	parse_l.o
 	buildin.o
Index: trunk/src/vtlibrary.c
===================================================================
--- trunk/src/vtlibrary.c	(nonexistent)
+++ trunk/src/vtlibrary.c	(revision 1576)
@@ -0,0 +1,3 @@
+#define GVT_DONT_UNDEF
+#include "vtlibrary.h"
+#include <genvector/genvector_impl.c>
Index: trunk/src/vtlibrary.h
===================================================================
--- trunk/src/vtlibrary.h	(nonexistent)
+++ trunk/src/vtlibrary.h	(revision 1576)
@@ -0,0 +1,74 @@
+#include <stdlib.h>
+#include <string.h>
+#include "global_objs.h"
+
+typedef enum {
+	LIB_DIR,
+	LIB_FOOTPRINT
+} library_type_t;
+
+typedef enum {
+	PCB_FP_INVALID,
+	PCB_FP_DIR,
+	PCB_FP_FILE,
+	PCB_FP_PARAMETRIC
+} fp_type_t;
+
+
+typedef struct library_s library_t;
+
+/* Elem=library_t; init=none */
+
+/* all public symbols are wrapped in GVT() - see vt_t(7) */
+#define GVT(x) vtlib_ ## x
+
+/* Array elem type - see vt_t(7) */
+#define GVT_ELEM_TYPE library_t
+
+/* Type that represents array lengths - see vt_t(7) */
+#define GVT_SIZE_TYPE size_t
+
+/* Below this length, always double allocation size when the array grows */
+#define GVT_DOUBLING_THRS 64
+
+/* Initial array size when the first element is written */
+#define GVT_START_SIZE 8
+
+/* Optional prefix for function definitions (e.g. static inline) */
+#define GVT_FUNC
+
+/* Enable this to set all new bytes ever allocated to this value - see
+   vt_set_new_bytes_to(7) */
+#define GVT_SET_NEW_BYTES_TO 0
+
+
+/* Include the actual header implementation */
+#include <genvector/genvector_impl.h>
+
+/* Memory allocator - see vt_allocation(7) */
+#define GVT_REALLOC(vect, ptr, size)  realloc(ptr, size)
+#define GVT_FREE(vect, ptr)           free(ptr)
+
+/* clean up #defines */
+#include <genvector/genvector_undef.h>
+
+/* An element of a library: either a directory or a footprint */
+struct library_s {
+	char *name;         /* the string for the selection box */
+	int dontfree_name;  /* do not free(->name) if non-zero */
+	library_type_t type;
+	library_t *parent;
+
+	union {
+		struct { /* type == LIB_DIR */
+			vtlib_t children;
+		} dir;
+		struct { /* type == LIB_FOOTPRINT */
+#warning TODO: this should be removed
+			char *full_path;     /* allocated*/
+			fp_type_t type;
+			void **tags;        /* an array of void * tag IDs; last tag ID is NULL */
+		} fp;
+	} data;
+} ;
+
Index: trunk/src/vtptr.c
===================================================================
--- trunk/src/vtptr.c	(nonexistent)
+++ trunk/src/vtptr.c	(revision 1576)
@@ -0,0 +1,3 @@
+#define GVT_DONT_UNDEF
+#include "vtptr.h"
+#include <genvector/genvector_impl.c>
Index: trunk/src/vtptr.h
===================================================================
--- trunk/src/vtptr.h	(nonexistent)
+++ trunk/src/vtptr.h	(revision 1576)
@@ -0,0 +1,36 @@
+#include <stdlib.h>
+#include <string.h>
+#include "global_objs.h"
+
+typedef void *ptr_t;
+
+/* Elem=void *; init=none */
+
+/* all public symbols are wrapped in GVT() - see vt_t(7) */
+#define GVT(x) vtptr_ ## x
+
+/* Array elem type - see vt_t(7) */
+#define GVT_ELEM_TYPE ptr_t
+
+/* Type that represents array lengths - see vt_t(7) */
+#define GVT_SIZE_TYPE size_t
+
+/* Below this length, always double allocation size when the array grows */
+#define GVT_DOUBLING_THRS 256
+
+/* Initial array size when the first element is written */
+#define GVT_START_SIZE 32
+
+/* Optional prefix for function definitions (e.g. static inline) */
+#define GVT_FUNC
+
+
+/* Include the actual header implementation */
+#include <genvector/genvector_impl.h>
+
+/* Memory allocator - see vt_allocation(7) */
+#define GVT_REALLOC(vect, ptr, size)  realloc(ptr, size)
+#define GVT_FREE(vect, ptr)           free(ptr)
+
+/* clean up #defines */
+#include <genvector/genvector_undef.h>