[lttng-dev] [RFC PATCH CTF 1/3] Clarify that unlisted enum values are implementation-defined

[pproulx@efficios.com (Philippe Proulx)]

----- Original Message -----
> From: "Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>
> To: "gbastien+lttng" <gbastien+lttng at versatic.net>, "Matthew Khouzam" <matthew.khouzam at ericsson.com>,
> diamon-discuss at linuxfoundation.org, pproulx at efficios.com, "Jeremie Galarneau" <jgalar at efficios.com>
> Cc: "lttng-dev" <lttng-dev at lists.lttng.org>, "Mathieu Desnoyers" <mathieu.desnoyers at efficios.com>
> Sent: Thursday, 23 April, 2020 16:52:24
> Subject: [RFC PATCH CTF 1/3] Clarify that unlisted enum values are implementation-defined

> From: Genevi?ve Bastien <gbastien+lttng@versatic.net>
> 
> Signed-off-by: Genevi?ve Bastien <gbastien+lttng at versatic.net>
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> ---
> common-trace-format-specification.md | 3 +++
> 1 file changed, 3 insertions(+)
> 
> diff --git a/common-trace-format-specification.md
> b/common-trace-format-specification.md
> index fd49e59..f5fea51 100644
> --- a/common-trace-format-specification.md
> +++ b/common-trace-format-specification.md
> @@ -464,6 +464,9 @@ enum {
> }
> ~~~
> 
> +The mappings in the enumeration type do not have to be exhaustive.
> +Unlisted values are implementation defined.
> +

Why not just:

    An enumeration field can have an integral value which its type does not
    map to a string.

?

Phil

> ### 4.2 Compound types
> 
> Compound are aggregation of type declarations. Compound types include
> --
> 2.11.0