re: more on why ie will only let you save as bmp

Andrew — Fri, 29 Oct 2004 20:54:00 GMT

Wow, cant wait for that update (typing this in firefox)

re: more on why ie will only let you save as bmp

Alex Chernjayeff — Fri, 29 Oct 2004 20:59:00 GMT

>When the table that maps URLs to blobs runs out of entries

Do I understand right, there's some hardcoded limit of entries in that table?

re: more on why ie will only let you save as bmp

Chris Hammond — Fri, 29 Oct 2004 21:02:00 GMT

Cool, I wondered what was going on with IE in those cases, I've seen them both.

re: more on why ie will only let you save as bmp

jeffdav — Fri, 29 Oct 2004 21:04:00 GMT

Alex--

There is an upper limit. I have not gone looking through the code to see exactally what it is.

re: more on why ie will only let you save as bmp

ShadowChaser — Fri, 29 Oct 2004 21:15:00 GMT

I'm glad to hear this bug will be addressed :-)

how to reproduce this bug

lexp — Fri, 29 Oct 2004 21:53:00 GMT

Go to http://alltheweb.com , go to pictures and search for something. Then right click on any pictrure found, open in new window, then try "save as". IE will offer you to save it as .bmp file. If you hit refresh and then try to save as, IE will save it as .bmp.

re: more on why ie will only let you save as bmp

jeffdav — Fri, 29 Oct 2004 21:56:00 GMT

lexp--

When I do that IE offered me the option to save as .jpg, which is the original image format. I recently cleared my cache.

re: more on why ie will only let you save as bmp

Shannon J Hager — Fri, 29 Oct 2004 22:17:00 GMT

not trying to be a grammar freak, just trying to save you some embarassment... it raised the question. Begging the question is something different, relying on an obscure use of "beg". To "beg the question" means to use your hypothesis as the proof of your argument, like "bitmaps are better than jpegs because because they are a superior file format."

re: more on why ie will only let you save as bmp

jeffdav — Fri, 29 Oct 2004 22:41:00 GMT

Shannon -

Yeah, I briefly considered looking it up before I posted. I guess I should fix it and take my own advice of not using terms which I do not have a good definition for. :)

re: more on why ie will only let you save as bmp

Mike Wellems — Sat, 30 Oct 2004 00:32:00 GMT

I have to say that I'm happy for you, or for whoever figured this one out. As a programmer, I know how great it feels to finally catch a really complex bug.

Wininet Cache Issues

WebTransports's WebLog — Sat, 30 Oct 2004 04:34:00 GMT

re: more on why ie will only let you save as bmp

Aviv Raff — Sat, 30 Oct 2004 08:03:00 GMT

Can you explain why the cache file names are not encoded, so it'll be more difficult to exploit vulnerabilities using the TIFF?

re: more on why ie will only let you save as bmp

Steve — Sat, 30 Oct 2004 17:06:00 GMT

Jeff finding nasties like this is cool - I take it that reducing the TIFF disk size to something more rational would force the scavenger to kick in before running out of entries more frequently? (even if only to mitigate but not eliminate the occurence of the problem)

Dunno what the default is now but I seem to remember IE 4.x using 10% of disk as its cache opening gambit. (fine when my largest volume was only 1Gb!)

re: more on why ie will only let you save as bmp

jeffdav — Sat, 30 Oct 2004 19:05:00 GMT

The cache file names are not encoded, but the directories they live in are encoded. If you open a cmd prompt, then go to "documents and settings\username\local settings\temporary internet files" and look at the directory listing, you will see one or more directories that are 8 "random" letters and numbers. Actual files are cached in those directories to prevent squatting.

re: more on why ie will only let you save as bmp

timc — Mon, 01 Nov 2004 16:26:00 GMT

This is one of the BIG reasons why I switched to firefox.
This still seems preposterous to me - the map for cached binary objects has fewer entries than the cache can hold? Surely the caching process should be driven by the indexing system, not vice versa? I mean, this is the equivalent to a library saying, oh well, we ran out of indexing cards, just throw the book into that big heap over there...

re: more on why ie will only let you save as bmp

Mike Wellems — Thu, 04 Nov 2004 02:22:00 GMT

For those who consider this to be a big problem, it sounds as if reducing the size of the cache would help - so that it would run out of space (and invoke the scavenger) before it ran out of entries. Does that sound reasonable?

re: more on why ie will only let you save as bmp

jeffdav — Thu, 04 Nov 2004 04:40:00 GMT

Mike--

It could; depends on browsing habits. If you view lots of pages with lots of small images, it may not help.

re: Why is a JPG file forced to be saved as BMP in IE?

Eugene Siu's MSDN Blog — Fri, 31 Dec 2004 01:13:00 GMT

re: LLBLGen Pro

Sirsha Development Resources Blog — Mon, 21 Feb 2005 19:17:00 GMT

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