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dc79426c04
A key type that has no level names is legit. Before this commit, `XkbCopyKeymap` would make such level inconsistent by setting its number of levels to 0 while keeping its map entries. It suffices to clear the names array. Fixed by copying the level count from the source type. WARNING: this will trigger an error in `XkbGetNames`, which worked before this commit only by chance. This is fixed in the next commit (squashed with this one). ------------------------------------------------------------------ xkb: Fix serialization of key type without level names Before this commit the count of key type level names was wrongly set in `XkbGetNames`: for key type without names, it was set to the level count, while it should be 0: - `XkbComputeGetNamesReplySize()` does not account key type without level names; - `XkbSendNames()` does not write any level entry for key types without level names. This causes a mismatch offset while parsing the response and its processing would ultimately fail. Fixed by setting the correct level name count: 0 if there is no level name, else the number of levels. Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2082>
The X server uses this directory to store the compiled version of the
current keymap and/or any scratch keymaps used by clients. The X server
or some other tool might destroy or replace the files in this directory,
so it is not a safe place to store compiled keymaps for long periods of
time. The default keymap for any server is usually stored in:
X<num>-default.xkm
where <num> is the display number of the server in question, which makes
it possible for several servers *on the same host* to share the same
directory.
Unless the X server is modified, sharing this directory between servers on
different hosts could cause problems.