*-list, *-oset, *-omap: Avoid possible compiler warnings.

Reported by Marc Nieper-Wißkirchen in
<https://lists.gnu.org/r/bug-gnulib/2020-10/msg00025.html>.

* lib/gl_anylinked_list2.h (gl_linked_iterator,
gl_linked_iterator_from_to): Mark as 'pure'.
(gl_linked_iterator_free): Mark as 'const'.
* lib/gl_anytree_list2.h (gl_tree_size, gl_tree_node_value,
gl_tree_search_from_to, gl_tree_indexof_from_to, gl_tree_iterator,
gl_tree_iterator_from_to, gl_tree_sortedlist_search,
gl_tree_sortedlist_search_from_to, gl_tree_sortedlist_indexof,
gl_tree_sortedlist_indexof_from_to): Mark as 'pure'.
(gl_tree_iterator_free): Mark as 'const'.
* lib/gl_anytree_omap.h (gl_tree_size, gl_tree_iterator): Mark as
'pure'.
(gl_tree_iterator_free): Mark as 'const'.
* lib/gl_anytree_oset.h (gl_tree_size, gl_tree_next_node,
gl_tree_prev_node, gl_tree_iterator): Mark as 'pure'.
(gl_tree_iterator_free): Mark as 'const'.
* lib/gl_anytreehash_list1.h (node_position, compare_by_position,
compare_position_threshold): Mark as 'pure'.
* lib/gl_array_list.c (gl_array_size, gl_array_indexof_from_to,
gl_array_search_from_to, gl_array_iterator, gl_array_iterator_from_to,
gl_array_sortedlist_indexof_from_to, gl_array_sortedlist_indexof,
gl_array_sortedlist_search_from_to, gl_array_sortedlist_search): Mark as
'pure'.
(gl_array_iterator_free): Mark as 'const'.
* lib/gl_array_omap.c (gl_array_size, gl_array_indexof, gl_array_search,
gl_array_search_atleast, gl_array_iterator): Mark as 'pure'.
(gl_array_iterator_free): Mark as 'const'.
* lib/gl_array_oset.c (gl_array_size, gl_array_indexof, gl_array_search,
gl_array_indexof_atleast, gl_array_search_atleast, gl_array_iterator,
gl_array_iterator_atleast): Mark as 'pure'.
(gl_array_iterator_free): Mark as 'const'.
* lib/gl_carray_list.c (gl_carray_size, gl_carray_node_value,
gl_carray_next_node, gl_carray_previous_node, gl_carray_get_at,
gl_carray_indexof_from_to, gl_carray_search_from_to, gl_carray_iterator,
gl_carray_iterator_from_to, gl_carray_sortedlist_indexof_from_to,
gl_carray_sortedlist_indexof, gl_carray_sortedlist_search_from_to,
gl_carray_sortedlist_search): Mark as 'pure'.
(gl_carray_iterator_free): Mark as 'const'.

1 files changed, 11 insertions, 11 deletions

diff --git a/lib/gl_anytree_list2.h b/lib/gl_anytree_list2.h
index 939b797480..3cb34221db 100644
--- a/lib/gl_anytree_list2.h
+++ b/lib/gl_anytree_list2.h
@@ -53,13 +53,13 @@ gl_tree_nx_create_empty (gl_list_implementation_t implementation,
 #endif
 }
 
-static size_t
+static size_t _GL_ATTRIBUTE_PURE
 gl_tree_size (gl_list_t list)
 {
   return (list->root != NULL ? list->root->branch_size : 0);
 }
 
-static const void *
+static const void * _GL_ATTRIBUTE_PURE
 gl_tree_node_value (gl_list_t list _GL_ATTRIBUTE_MAYBE_UNUSED,
                     gl_list_node_t node)
 {
@@ -221,7 +221,7 @@ gl_tree_nx_set_at (gl_list_t list, size_t position, const void *elt)
 
 #if !WITH_HASHTABLE
 
-static gl_list_node_t
+static gl_list_node_t _GL_ATTRIBUTE_PURE
 gl_tree_search_from_to (gl_list_t list, size_t start_index, size_t end_index,
                         const void *elt)
 {
@@ -332,7 +332,7 @@ gl_tree_search_from_to (gl_list_t list, size_t start_index, size_t end_index,
   }
 }
 
-static size_t
+static size_t _GL_ATTRIBUTE_PURE
 gl_tree_indexof_from_to (gl_list_t list, size_t start_index, size_t end_index,
                          const void *elt)
 {
@@ -552,7 +552,7 @@ gl_tree_list_free (gl_list_t list)
 
 /* --------------------- gl_list_iterator_t Data Type --------------------- */
 
-static gl_list_iterator_t
+static gl_list_iterator_t _GL_ATTRIBUTE_PURE
 gl_tree_iterator (gl_list_t list)
 {
   gl_list_iterator_t result;
@@ -577,7 +577,7 @@ gl_tree_iterator (gl_list_t list)
   return result;
 }
 
-static gl_list_iterator_t
+static gl_list_iterator_t _GL_ATTRIBUTE_PURE
 gl_tree_iterator_from_to (gl_list_t list, size_t start_index, size_t end_index)
 {
   size_t count = (list->root != NULL ? list->root->branch_size : 0);
@@ -631,14 +631,14 @@ gl_tree_iterator_next (gl_list_iterator_t *iterator,
     return false;
 }
 
-static void
+static void _GL_ATTRIBUTE_CONST
 gl_tree_iterator_free (gl_list_iterator_t *iterator  _GL_ATTRIBUTE_MAYBE_UNUSED)
 {
 }
 
 /* ---------------------- Sorted gl_list_t Data Type ---------------------- */
 
-static gl_list_node_t
+static gl_list_node_t _GL_ATTRIBUTE_PURE
 gl_tree_sortedlist_search (gl_list_t list, gl_listelement_compar_fn compar,
                            const void *elt)
 {
@@ -679,7 +679,7 @@ gl_tree_sortedlist_search (gl_list_t list, gl_listelement_compar_fn compar,
   return NULL;
 }
 
-static gl_list_node_t
+static gl_list_node_t _GL_ATTRIBUTE_PURE
 gl_tree_sortedlist_search_from_to (gl_list_t list,
                                    gl_listelement_compar_fn compar,
                                    size_t low, size_t high,
@@ -761,7 +761,7 @@ gl_tree_sortedlist_search_from_to (gl_list_t list,
   return NULL;
 }
 
-static size_t
+static size_t _GL_ATTRIBUTE_PURE
 gl_tree_sortedlist_indexof (gl_list_t list, gl_listelement_compar_fn compar,
                             const void *elt)
 {
@@ -816,7 +816,7 @@ gl_tree_sortedlist_indexof (gl_list_t list, gl_listelement_compar_fn compar,
   return (size_t)(-1);
 }
 
-static size_t
+static size_t _GL_ATTRIBUTE_PURE
 gl_tree_sortedlist_indexof_from_to (gl_list_t list,
                                     gl_listelement_compar_fn compar,
                                     size_t low, size_t high,