neophyte: tcsetattr() gives 22 error in i386, not in amd64?

en0f en0f at bokey.mine.nu
Sat Oct 25 07:54:32 UTC 2008


Nate Eldredge wrote:
> On Fri, 24 Oct 2008, Steve Franks wrote:
> 
>> Hi,
>>
>> I'm getting a 22 errno from tcsetattr() on 7-STABLE i386 in code which
>> was working under 7-STABLE amd64.  Serial device is a ucom (silabs
>> cp2103).  Permissions on /dev/cuaU0 look fine.  Cutecom/Minicom
>> appears to open the port without error...
> 
> I don't see anything obviously wrong, but I'd bet a bug related to
> 32/64-bit types.  Can you post a complete piece of code that can be
> compiled and run and demonstrates the problem?  Also, try compiling with
> -Wall -W and investigate any warnings that are produced.
> 
> By the way, errno 22 is EINVAL, "Invalid argument".  perror() is your
> friend.

Strange freebsd doesnt document error numbers. On POSIX, errno 22 is
EINVAL as well (documented in errno(3)). Is this applicable to freebsd?

-- 
	en0f


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