2010/11/9 Alex Parker <parker.alex.e_at_gmail.com>:
> On 9 November 2010 16:57, Teruaki Kawashima <kamekun_at_r6.dion.ne.jp> wrote:
>>
>> Thank you for suggestion and information.
>> I agree that it would be better to look for magic number.
>> but I'll leave it for now unless it causes serious problem that judging by
>> file-extension.
BTW. Aren't viewers bind to particular file extensions? If so I
wouldn't bother to do
any more advanced detection. If someone rename .bmp to .jpg it's
his/her problem.
Decoders check magic numbers AFAIR and refuse to decode early.

Marcin Bukat (wodz)
Received on 2010-11-09