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qapi: Reserve 'u' member name Now that we have separated union tag values from colliding with non-variant C names, by naming the union 'u', we should reserve this name for our use. Note that we want to forbid 'u' even in a struct with no variants, because it is possible for a future qemu release to extend QMP in a backwards-compatible manner while converting from a struct to a flat union. Fortunately, no existing clients were using this member name. If we ever find the need for QMP to have a member 'u', we could at that time relax things, perhaps by having c_name() munge the QMP member to 'q_u'. Note that we cannot forbid 'u' everywhere (by adding the rejection code to check_name()), because the existing QKeyCode enum already uses it; therefore we only reserve it as a struct type member name. Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1445898903-12082-24-git-send-email-eblake@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>

2015-10-27 01:35:02 +03:00

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