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From: Eric Blake <eblake@redhat.com>
To: Max Reitz <mreitz@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	qemu-devel@nongnu.org
Cc: qemu-stable@nongnu.org, qemu-block@nongnu.org, rjones@redhat.com
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH 5/7] curl: convert CURLAIOCB to byte values
Date: Wed, 10 May 2017 13:37:23 -0500	[thread overview]
Message-ID: <5fc63e28-901c-6e93-2cbe-d25f9e6f45dc@redhat.com> (raw)
In-Reply-To: <aeb8c806-9c6b-fcd8-6c2a-cd4098946ff9@redhat.com>

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On 05/10/2017 12:36 PM, Max Reitz wrote:

> On a very surprised level: Why does curl return the content length as a
> double?! I can't think of a reason where that might be a good idea. If
> your integer no longer fits into a uin64_t, the double will be inexact,
> so it pretty much is useless, too...

Not to mention: NO ONE has off_t larger than 63 bits (there physically
is not that much storage around!), so a signed 64-bit integer should
always be sufficient, rather than artificially limiting exact answers to
53 bits of precision via a double.

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
Virtualization:  qemu.org | libvirt.org


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  reply	other threads:[~2017-05-10 18:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-10 14:31 [Qemu-devel] [PATCH v2 0/7] curl: locking cleanups/fixes, coroutine conversion, remove aio_poll Paolo Bonzini
2017-05-10 14:31 ` [Qemu-devel] [PATCH 1/7] curl: strengthen assertion in curl_clean_state Paolo Bonzini
2017-05-10 16:33   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-11 20:35   ` [Qemu-devel] " Jeff Cody
2017-05-10 14:32 ` [Qemu-devel] [PATCH 2/7] curl: never invoke callbacks with s->mutex held Paolo Bonzini
2017-05-10 16:33   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-11 20:40   ` [Qemu-devel] " Jeff Cody
2017-05-10 14:32 ` [Qemu-devel] [PATCH 3/7] curl: avoid recursive locking of BDRVCURLState mutex Paolo Bonzini
2017-05-10 16:38   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-11 20:56   ` [Qemu-devel] " Jeff Cody
2017-05-12 14:48     ` Paolo Bonzini
2017-05-10 14:32 ` [Qemu-devel] [PATCH 4/7] curl: split curl_find_state/curl_init_state Paolo Bonzini
2017-05-10 17:26   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-11 13:49     ` [Qemu-devel] " Paolo Bonzini
2017-05-12 21:38   ` Jeff Cody
2017-05-10 14:32 ` [Qemu-devel] [PATCH 5/7] curl: convert CURLAIOCB to byte values Paolo Bonzini
2017-05-10 17:36   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-10 18:37     ` Eric Blake [this message]
2017-05-12 21:38   ` [Qemu-devel] " Jeff Cody
2017-05-10 14:32 ` [Qemu-devel] [PATCH 6/7] curl: convert readv to coroutines Paolo Bonzini
2017-05-12 21:40   ` Jeff Cody
2017-05-10 14:32 ` [Qemu-devel] [PATCH 7/7] curl: do not do aio_poll when waiting for a free CURLState Paolo Bonzini
2017-05-10 17:54   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-12 21:41   ` [Qemu-devel] " Jeff Cody
2017-05-10 15:11 ` [Qemu-devel] [PATCH v2 0/7] curl: locking cleanups/fixes, coroutine conversion, remove aio_poll no-reply
2017-05-10 15:57 ` Richard W.M. Jones
2017-05-15 19:12   ` [Qemu-devel] [Qemu-block] " Max Reitz
2017-05-15 20:30     ` Richard W.M. Jones

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