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status reason-phrase missing for H2

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From: Yang Yu via curl-users <curl-users_at_lists.haxx.se>
Date: Fri, 23 Aug 2024 11:44:07 -0500

Hi,

Compare HTTP 1.1 response header output with H/2

$ curl -I http://www.http2demo.io/
HTTP/1.1 200 OK

$ curl -I https://www.cloudflare.com
HTTP/2 200

For H2, the reason phrase is not shown in curl output.

The status line has "status-line = HTTP-version SP status-code SP
reason-phrase CRLF"
https://www.rfc-editor.org/rfc/rfc7230#section-3.1.2

For some response codes like 400, the reason phrase could be
significant (not all 400s are the same). But I can't seem to find a
way to get curl to show the reason phrase for H2 responses.

Is it possible to make the status line output consistent across HTTP
versions? Or at least a way to retrieve the reason phrase.

This might be related to https://github.com/curl/curl/issues/6615

Thanks.

Yang

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Received on 2024-08-23

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