talloc_link: remove it.

[ccan] / ccan / talloc_link / talloc_link.c

diff --git a/ccan/talloc_link/talloc_link.c b/ccan/talloc_link/talloc_link.c
deleted file mode 100644 (file)
index 280f8eb..0000000
--- a/ccan/talloc_link/talloc_link.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* Licensed under GPLv2+ - see LICENSE file for details */
-#include <ccan/list/list.h>
-#include <ccan/talloc/talloc.h>
-#include <ccan/talloc_link/talloc_link.h>
-#include <assert.h>
-
-/* Fake parent, if they care. */
-static void *talloc_links = NULL;
-
-/* This is the parent of the linked object, so we can implement delink. */
-struct talloc_linked {
-       struct list_head links;
-       const void *obj;
-};
-
-/* This is a child of the linker, but not a parent of ref. */
-struct talloc_link {
-       struct list_node list;
-       struct talloc_linked *linked;
-};
-
-static int destroy_link(struct talloc_link *link)
-{
-       list_del(&link->list);
-       if (list_empty(&link->linked->links))
-               talloc_free(link->linked);
-       return 0;
-}
-
-static bool add_link(const void *ctx, struct talloc_linked *linked)
-{
-       struct talloc_link *link = talloc(ctx, struct talloc_link);
-       if (!link)
-               return false;
-
-       link->linked = linked;
-       list_add(&linked->links, &link->list);
-       talloc_set_destructor(link, destroy_link);
-       return true;
-}
-
-void *_talloc_linked(const void *ctx, const void *newobj)
-{
-       struct talloc_linked *linked;
-
-       if (talloc_parent(newobj)) {
-               /* Assume leak reporting is on: create dummy parent. */
-               if (!talloc_links)
-                       talloc_links = talloc_named_const(NULL, 0,
-                                                         "talloc_links");
-               /* This should now have same pseudo-NULL parent. */
-               assert(talloc_parent(newobj) == talloc_parent(talloc_links));
-       }
-
-       linked = talloc(talloc_links, struct talloc_linked);
-       if (!linked) {
-               talloc_free(newobj);
-               return NULL;
-       }
-       list_head_init(&linked->links);
-       linked->obj = talloc_steal(linked, newobj);
-
-       if (!add_link(ctx, linked)) {
-               talloc_free(linked);
-               return NULL;
-       }
-
-       return (void *)newobj;
-}
-
-void *_talloc_link(const void *ctx, const void *obj)
-{
-       struct talloc_linked *linked;
-
-       linked = talloc_get_type(talloc_parent(obj), struct talloc_linked);
-       assert(!list_empty(&linked->links));
-       return add_link(ctx, linked) ? (void *)obj : NULL;
-}
-
-void talloc_delink(const void *ctx, const void *obj)
-{
-       struct talloc_linked *linked;
-       struct talloc_link *i;
-
-       if (!obj)
-               return;
-
-       linked = talloc_get_type(talloc_parent(obj), struct talloc_linked);
-       list_for_each(&linked->links, i, list) {
-               if (talloc_is_parent(i, ctx)) {
-                       talloc_free(i);
-                       return;
-               }
-       }
-       abort();
-}