Re: [PATCH 04/11] UAPI: bcache: Fix use of embedded flexible array

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Jan Engelhardt <jengelh@xxxxxxx> wrote:

> """it [the array size expression] shall be a converted constant expression of
> type std::size_t and its value shall be greater than zero."""
>http://eel.is/c++draft/dcl.array

Interesting.  You're not actually quoting the full sentence:

	If the constant-expression is present, it shall be a converted
	constant expression of type std​::​size_­t and its value shall be
	greater than zero.

This suggests that:

	__u64 ptr[]

is actually valid since:

	D1 [ constant-expressionopt ] attribute-specifier-seqopt

suggests that the part between the brackets is optional.

David



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