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<thermoplyae>
is anyone familiar with getting camlimages to place nicely with OCamlMakefile ?
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<fremo>
camlimages ?
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<tsuyoshi>
how do the null bytes get into your filenames in the first place?
<tsuyoshi>
I don't think it's really appropriate for the standard library to check all the filenames like that.. there are a lot of bad things that could be put into a filename besides nulls
<tsuyoshi>
and doing all those checks is going to be a waste most of the time
<tsuyoshi>
it would be better just to have one function that you could use to check unsafe input
<fremo>
tsuyoshi: checking a path for nul char is not expensive compared to a syscall
<fremo>
Filename should be checked
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<tsuyoshi>
but it only needs to be checked if you're taking outside input and putting it into a filename
<fremo>
it's specified in Filename doc: << The result is not specified if the argument is not a valid file name (for example, under Unix if there is a NUL character in the string). >>
<tsuyoshi>
I mean, I've never written any code that does that
<tsuyoshi>
if I ever did.. I would check for /, \0, and possibly other things
<fremo>
yes, to be sure, in my programs, I would check everytime...
<tsuyoshi>
or maybe just base64 encode it
<fremo>
heh :)
<fremo>
# open Filename;;
<fremo>
# check_suffix "test.a\000.b" "b";;
<fremo>
- : bool = true
<fremo>
# check_suffix "test.a" "b";;
<fremo>
- : bool = false
<fremo>
I didn't read the thread "Bug in Filename.basename" on the mailing list.
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<tsuyoshi>
cool, new version of lablgtk
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<fremo>
version 2, it's a big release, right ?
<fremo>
2.10
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<flux>
tsuyoshi, a nul char ends up to your data when you unescape some other data, such as %00 in an url
<flux>
of course you should check for your data, but I don't know other cases when ocaml code and the system call are in disagreement on interpreting the data
<flux>
I think such a check_suffix should be perfectly reasonable way to check for valid kind of file name; you would expect that if the data passes that test, the file cannot point to /etc/fstab, because it doesn't have extension .a
<flux>
I wonder though why Printf.printf fails with the nul-char also..
<flux>
not checking the \0-characer leads to this specification of open_in: opens the file if the file is readable. if file is not found, raise Sys.xxx. part of the time opens another while than the one in the parameter.
<flux>
;)
<flux>
uh, s/while/file/
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<flux>
also, perhaps on some distant point in the future ocaml will be ported to an os that supports -all- bytes in file names, so the check better be in the ocaml-os-interface ;)
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<jdavis_>
Does OCaml allow overriding a method?
<jdavis_>
Ok, found the answer.
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<jonathanv>
the answer: no
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<thermo_>
Has anyone here used lablgtk, or is that more appropriate for #gtk?
<ita>
i have, and i do not like it
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<ita>
thermo_: the source distribution contains lots of examples, it should be straightforward
<ita>
thermo_: if you ask about gtk, try the gimpnet irc server too, there are more gnomes there
<thermo_>
ah, great
<thermo_>
I've been wandering through a 3rd party tutorial, I didn't even think to try the packaged examples
<thermo_>
I'll sift there first. Thanks
<thermo_>
sweet, found something almost immediately. thanks again for pointing out the obvious :)
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