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SubjectRe: [PATCH v2 1/1] lib/vsprintf: Add support for printing V4L2 and DRM fourccs
On Mon, 06 Apr 2020, Sakari Ailus <> wrote:
> On Fri, Apr 03, 2020 at 02:10:53PM +0200, Rasmus Villemoes wrote:
>> What's wrong with having a
>> char *fourcc_string(char *buf, u32 x)
>> that formats x into buf and returns buf, so it can be used in a
>> char buf[8];
>> pr_debug("bla: %s\n", fourcc_string(buf, x))
> I guess that could be one option. But changing the implementation could
> require changing the size of all those buffers.

Not arguing one way or another, just observing that
drm_get_format_name() abstracts that by using:

struct drm_format_name_buf {
char str[32];


Jani Nikula, Intel Open Source Graphics Center

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