1 files changed, 5 insertions, 11 deletions
diff --git a/array.c b/array.c
index 6c23330..ce292c2 100644
--- a/array.c
+++ b/array.c
@@ -178,7 +178,7 @@ array_append (void *data,
 }
 
 static gssize
-array_len (void *data, const int *magic)
+array_len (const void *data, const int *magic)
 {
     array_t *array = get_array (data, magic);
 
@@ -221,7 +221,7 @@ nul_array_free (nul_ptr_t array)
 }
 
 gsize
-nul_array_len (nul_ptr_t array)
+nul_array_len (const nul_ptr_t array)
 {
     return array_len (array, &arr_t_magic);
 }
@@ -260,15 +260,9 @@ nul_ptr_array_new (void)
 }
 
 void **
-nul_ptr_array_append (void **arr, gpointer data)
+nul_ptr_array_append (void **arr, nul_ptr_t data)
 {
-    nul_ptr_t *tail;
-
-    arr = array_append_undefined (arr, &parr_t_magic, 1, (void **)&tail);
-
-    *tail = data;
-    
-    return arr;
+    return array_append (arr, &parr_t_magic, data);
 }
 
 void
@@ -278,7 +272,7 @@ nul_ptr_array_free (void **arr)
 }
 
 gsize
-nul_ptr_array_len (void *const *arr)
+nul_ptr_array_len (const nul_ptr_t *arr)
 {
     return array_len (arr, &parr_t_magic);
 }