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Re: [Qemu-devel] [PATCH v2 34/45] host-utils: add ffsl
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH v2 34/45] host-utils: add ffsl |
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Date: |
Wed, 26 Sep 2012 19:14:12 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
On 09/26/2012 09:56 AM, Paolo Bonzini wrote:
> We can provide fast versions based on the other functions defined
> by host-utils.h. Some care is required on glibc, which provides
> ffsl already.
>
Why glibc chose <string.h> for ffsl even though it uses <strings.h> for
ffs (per POSIX) is beyond me. At any rate, this report spurred me to
finally file an enhancement request against POSIX:
http://www.austingroupbugs.net/view.php?id=617
Someday in the future, we might just get ffsl standardized. :)
--
Eric Blake address@hidden +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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- [Qemu-devel] [PATCH v2 39/45] block: return count of dirty sectors, not chunks, (continued)
- [Qemu-devel] [PATCH v2 39/45] block: return count of dirty sectors, not chunks, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 38/45] mirror: perform COW if the cluster size is bigger than the granularity, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 41/45] mirror: allow customizing the granularity, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 43/45] mirror: add buf-size argument to drive-mirror, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 42/45] mirror: switch mirror_iteration to AIO, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 44/45] mirror: support more than one in-flight AIO operation, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 35/45] add hierarchical bitmap data type and test cases, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 34/45] host-utils: add ffsl, Paolo Bonzini, 2012/09/26
- Re: [Qemu-devel] [PATCH v2 34/45] host-utils: add ffsl,
Eric Blake <=
- [Qemu-devel] [PATCH v2 45/45] mirror: support arbitrarily-sized iterations, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 21/45] block: add bdrv_open_backing_file, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 28/45] mirror: implement completion, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 15/45] stream: add on-error argument, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 30/45] iostatus: forward block_job_iostatus_reset to block job, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 31/45] mirror: add support for on-source-error/on-target-error, Paolo Bonzini, 2012/09/26
- [Qemu-devel] [PATCH v2 29/45] qemu-iotests: add mirroring test case, Paolo Bonzini, 2012/09/26