od command behavior change

[Mori Hiroki]

Hi

I see man page that write j option can set only 512 bound blocks.

I understand "-j 0x0004" is only bug and work old time.

Thanks

Hiroki Mori


----- Original Message -----
> From: Mori Hiroki <yamori813 at yahoo.co.jp>
> To: Kyle Evans <kevans at freebsd.org>
> Cc: "freebsd-mips at freebsd.org" <freebsd-mips at freebsd.org>
> Date: 2018/4/5, Thu 10:08
> Subject: Re: od command behavior change
> 
> Hi
> 
> I try to patch. But it's not change.
> 
> # /tmp/od -j 0x0004 -N 6 -t x1 /dev/flash/spi0s.u-boot-env
> 
> od: /dev/flash/spi0s.u-boot-env: Invalid argument
> 0000004
> 
> ----- Original Message -----
>> From: Kyle Evans <kevans at freebsd.org>
>> To: Mori Hiroki <yamori813 at yahoo.co.jp> 
>> Cc: "freebsd-mips at freebsd.org" <freebsd-mips at freebsd.org>
>> Date: 2018/4/4, Wed 22:03
>> Subject: Re: od command behavior change
>> 
>> On Tue, Feb 13, 2018 at 8:32 PM, Mori Hiroki <yamori813 at yahoo.co.jp> 
> wrote:
>>>  Hi
>>> 
>>>  I use od command get mac address from flash.
>>> 
>>>  CURRENT od command change behavior.
>>> 
>>>  OLD od
>>> 
>>>  # od -j 0x0004 -N 6 -t x1 /dev/flash/spi0s.u-boot-env
>>>  0000004    00  18  84  12  34  56
>>>  0000012
>>> 
>>>  CURRENT od
>>> 
>>>  # od -j 0x0004 -N 6 -t x1 /dev/flash/spi0s.u-boot-env
>>>  od: /dev/flash/spi0s.u-boot-env: Invalid argument
>>>  0000004
>>> 
>>>  Is this bug?
>>> 
>> 
>> Probably- does applying [1] fix it? Having this ioctl result in total
>> failure was probably not a great decision, since noseek() will
>> probably still work.
>> 
>> Thanks,
>> 
>> Kyle Evans
>> 
>> [1] https://people.freebsd.org/~kevans/od-fix.diff
>> 
>> 
>> 
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