getifaddrs support for rtems?

Joel Sherrill joel.sherrill at oarcorp.com
Thu Oct 4 13:34:44 CDT 2007


Ralf Corsepius wrote:
> On Wed, 2007-09-19 at 13:21 +0100, Keith Robertson wrote:
>   
>> Ralf Corsepius wrote:
>>     
>>> On Fri, 2007-09-14 at 17:18 +0100, Keith Robertson wrote:
>>>       
>>>> Joel Sherrill wrote:
>>>>         
>>>>> Keith Robertson wrote:
>>>>>           
>>>>>> Hi.
>>>>>>
>>>>>> http://www.rtems.com/ml/rtems-users/2006/december/thrd1.html#00142
>>>>>>
>>>>>> indicates this has been asked before, and there appears to be some 
>>>>>> sort of a (AFAIK somewhat involved) work around using the SIOCGIFADDR 
>>>>>> ioctl.
>>>>>>
>>>>>> However, most unixes these days seem to have this function and a few 
>>>>>> related ones (getifaddrs freeifaddrs if_nametoindex if_indextoname 
>>>>>> if_nameindex if_freenameindex).
>>>>>>
>>>>>> On linux, these appear to be provided by glibc.  As newlib only 
>>>>>> provides the core libc routines, it understandably doesn't appear to 
>>>>>> provide these.  To improve the clean portability of other applications 
>>>>>> to rtems, I'd like to find a way to implement these.   Where would 
>>>>>> rtems typically obtain such helper routines?  Write them ourselves?  
>>>>>> From somewhere in the *Bsd sources?  Elsewhere?
>>>>>>
>>>>>>   
>>>>>>             
>>>>> The BSD sources are always the best starting point.   From there,
>>>>> all I can say is use the opengroup  description and write it yourself.
>>>>>           
>>>> Stupid question: the freebsd man pages have entries for getifaddrs and 
>>>> similar, however, I can't find it mentioned anywhere on lxr for freebsd 
>>>> at: http://fxr.watson.org  For linux, this makes sense, as it's provided 
>>>> by glibc, however, who would provide this for freebsd?
>>>>         
>>> Their libc - They all are there.
>>>
>>> Check out the freebsd source tree from their CVS and you'll find them.
>>>       
>> Good news.  I've been able to add getifaddrs, if_nameindex, if_indextoname.
>>
>> The original sources were taken from the freebsd tree and I only needed 
>> to make very minor modifications (commented out a few freebsd related 
>> header files).
>>     
> As this patch is pretty straight forward, I went ahead and checked in a
> slightly modified version into rtems-4-8-branch and CVS-HEAD.
>   
Thanks. 

Keith when you get a demo program for them, post it and we will
merge it

--joel
> Thanks,
> 	Ralf
>
>
>
> _______________________________________________
> rtems-users mailing list
> rtems-users at rtems.com
> http://rtems.rtems.org/mailman/listinfo/rtems-users
>   




More information about the rtems-users mailing list