Philip McGrath wrote on 08/27/2018 11:12 AM:
What I'm currently exploring, though, is writing a helper program in
Racket using the FFI. It will probably read a list of paths from
standard in and write a hash table to standard out mapping each path
to its validation result. I still plan to run
That is extremely good advice that I absolutely intend to follow. Here's a
bit about what I'm doing:
At Digital Ricoeur (https://digitalricoeur.org/), we have a corpus of
hundreds of XML documents and growing, some of them book-length. These must
be validated against a custom DTD that is derived
Rather than use FFI, would it work for your purposes to have the libxml2
code in a separate process from Racket? That would avoid the likely C
memory bugs corrupting your Racket process.
https://www.cvedetails.com/vulnerability-list/vendor_id-1962/product_id-3311/Xmlsoft-Libxml2.html
I've
I didn't know before I tried it either. It occurred to me as a candidate
because I've seen many warnings about conflating ordinary pointers and
function pointers (although usually the warning is that they are not
guaranteed to have the same size). I only discovered that note in the
docs
Thanks for the very quick reply—using `_fpointer` seems to work for me,
too. I don't think I'd noticed it in the docs before, though, even if I
had, I don't think it would have been obvious to me that it was the
solution to this problem.
-Philip
On Mon, Aug 27, 2018 at 8:03 AM Ryan Culpepper
On 08/27/2018 02:13 PM, Philip McGrath wrote:
I am hoping for some help debugging a problem I'm having writing FFI
bindings for libxml2.
I am trying to use the function `xmlValidateDtd`, which (predictably)
validates an XML document against a DTD. To support error reporting, the
first
I am hoping for some help debugging a problem I'm having writing FFI
bindings for libxml2.
I am trying to use the function `xmlValidateDtd`, which (predictably)
validates an XML document against a DTD. To support error reporting, the
first argument to the function is a pointer to an
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