[PATCH] telemetry: rework code to avoid compiler warnings

[fengchengwen]

Beatutiful +1

Acked-by: Chengwen Feng <fengchengwen at huawei.com>

On 2023/2/8 22:37, Bruce Richardson wrote:
> When printing values as hex strings, the telemetry code temporarily
> disabled warnings about non-literal format strings. This was because the
> actual format string was built-up programmatically to ensure the output
> was of the desired bitwidth.
> 
> However, this code can be reworked and shortened by taking advantage of
> the "*" printf flag, which is used to specify that the output width is
> given by a separate printf parameter. This allows the format to be a
> literal string in all cases, and also allows the code in the function to
> be shortened considerably.
> 
> Note: the type of the width should be an "int" variable, which is why
> this patch changes the type of the existing variable. Also, while we
> could shorten the format string by using the "#" flag in place of an
> explicit "0x", this would make the code more confusing because it would
> mean that the "0x" would be included in the specified with, forcing us
> to add 2 to the existing computed width.
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>
> ---

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