How to implement qsort_r

Eric Blake
Thu Dec 4 16:38:00 GMT 2014

On 12/04/2014 07:37 AM, Eric Blake wrote:
> On 12/04/2014 01:28 AM, Corinna Vinschen wrote:
>> The implementation is pretty simple either way, so, yes, we could
>> implement both and let the header provide both as well along the lines
>> of strerror_r.
>> Alternatively, are there any known efforts to standarize the API?
>> Eric, any word from the Austin group in terms of qsort_r?
> No one has asked about it before; I can ask, but suspect that since
> there is a difference in existing implementation, it would be easier for
> POSIX to standardize a different function name than qsort_r than to pick
> sides on which signature to standardize.
> My personal preference is the glibc style (the opaque argument last in
> both qsort_r and the comparator), not the BSD style (the opaque argument
> first in both calls),  This is because POSIX already has other
> standardized functions in the glibc style (pthread_cleanup_push,
> pthread_create), and none in the BSD styloe.

Issue created; it may take several weeks before it gets discussed:

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library

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