../../../src/util-files.h:61:3: warning: The 1st argument to 'close' is <= -2 but should be >= -1 [unix.StdCLibraryFunctions]
61 | close(*fd);
../../../test/test-quirks.c:66:8: warning: Null pointer passed to 2nd parameter expecting 'nonnull' [core.NonNullParamChecker]
66 | rc = fputs(file_content, fp);
The latter is bogus because we have a litest_assert for this but
somehow this is ignored, so... shrug.
Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1111>
This prevents accidentally leaving the fd set after closing.
And it includes the -1 check so we don't need this everywhere ourselves
(not that we use it right now but valgrind likes to complain about
this).
Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1067>
