NekoCWD/libcamera
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libcamera: controls: Check size of enum

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Only enums whose sizes match that of `int32_t` can be directly
supported. Otherwise the expected size and the real size would
disagree, leading to an assertion failure in `ControlValue::set()`.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Barnabás Pőcze 2025-02-05 17:05:38 +01:00
parent a17df1be5e
commit b3272f7827
1 changed files with 1 additions and 1 deletions
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2
include/libcamera/controls.h
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@ -125,7 +125,7 @@ struct control_type<Span<T, N>> : public control_type<std::remove_cv_t<T>> {
};
template<typename T>
struct control_type<T, std::enable_if_t<std::is_enum_v<T>>> : public control_type<int32_t> {
struct control_type<T, std::enable_if_t<std::is_enum_v<T> && sizeof(T) == sizeof(int32_t)>> : public control_type<int32_t> {
};
} /* namespace details */