On 03/25/2010 09:08 PM, David Morris wrote: > If someone could provide sniff like rules I could apply to deflate > content, if I find any, to determine which variation it is zlib-wrapped-deflate has a small header, but there are no magic numbers in it so there's not a lot to sniff. (The lower 3 bits of the first byte are always 0x8 though...) Raw deflate data has no header at all and so can look more or less like anything (including a valid zlib header). The only way to actually tell which kind of deflate it is is to try decoding it, and see if you get a "data is corrupt" error, and if so, that means it was the other kind and you should try again. (At least, that's how Firefox does it.) -- DanReceived on Friday, 26 March 2010 03:37:41 UTC
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