Chloé Vulquin f79d68491e xcursor: catch theme inheritance loops ... As of currently, when an xcursor theme depends on itself or another theme that will eventually depend on it, `xcursor_load_theme` will recurse infinitely while processing the inherits. This change introduces a stack-allocated linked list of visited nodes by name, and skips any already visited nodes in the inherit list. Side effects: * Since the linked list is stack-allocated, there is a potential for an overflow if there is a very long list of dependencies. If this turns out to be a legitimate concern, the linked list is trivial to convert to being heap-allocated. * There is an existing linked list (technically doubly linked list) implementation in the wayland codebase. As of currently, the xcursor codebase does not refer to it. Consequently, this change writes a minimal single linked list implementation to utilize directly. This changeset is based on the merge request in wayland/wayland!376. The xcursor code is mostly shared between the two. This changeset diverges the files slightly due to stylistic differences between the repositories, but the logic is identical. Signed-off-by: Chloé Vulquin <toast@bunkerlabs.net> (cherry picked from commit 172c8add7d)		2024-04-12 09:34:55 -04:00
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meson.build	xcursor: use internal_config	2022-12-06 22:39:45 +00:00
wlr_xcursor.c	xcursor: fix duplicate cursor check check in load_callback()	2023-12-12 14:48:25 -05:00
xcursor.c	xcursor: catch theme inheritance loops	2024-04-12 09:34:55 -04:00