1 files changed, 44 insertions, 0 deletions
diff --git a/Patches/arraysize.c b/Patches/arraysize.c
new file mode 100644
index 0000000..3393e8f
--- /dev/null
+++ b/Patches/arraysize.c
@@ -0,0 +1,44 @@
+#include <m_pd.h>
+
+static t_class *arraysize_class;
+
+typedef struct _arraysize {
+  t_object  x_obj;
+  t_symbol *array_name;
+} t_arraysize;
+
+void arraysize_set(t_arraysize *x, t_symbol *s)
+{
+  x->array_name = s;
+}
+
+void arraysize_bang(t_arraysize *x)
+{
+  t_garray *garray;
+
+  if(!(garray = (t_garray *)pd_findbyclass(x->array_name,garray_class))) {
+    pd_error(x, "%s: no such table", x->array_name->s_name);
+  } else {
+    outlet_float(x->x_obj.ob_outlet, garray_npoints(garray));
+  }
+} 
+
+void *arraysize_new(t_symbol *s)
+{
+  t_arraysize *x = (t_arraysize *)pd_new(arraysize_class);
+
+  outlet_new(&x->x_obj, gensym("float"));
+
+  x->array_name = s;
+
+  return (void *)x;
+}
+
+void arraysize_setup(void)
+{
+
+  arraysize_class = class_new(gensym("arraysize"), (t_newmethod)arraysize_new, 0, sizeof(t_arraysize), CLASS_DEFAULT, A_DEFSYMBOL, 0);
+  
+  class_addmethod(arraysize_class,arraysize_set,gensym("set"), A_DEFSYM, 0);
+  class_addbang(arraysize_class,arraysize_bang);
+}