[gnutls-devel] libtasn1 | Add function asn1_parser2tree_mem() (#21)

[Development of GNU's TLS library]

Tim Rühsen created an issue:


  ## Description of problem:
Currently we have `asn1_parser2tree()` which takes input from a given filename.
This requires `_asn1_yylex()` to do lot's of (buffered but slow) I/O. A function that takes a block of memory seems to be more elegant, less code and faster execution.

Also, the current situation forces us to 'overwrite' `fopen()` when fuzzing `asn1_parser2tree()`. That introduces non-portable functions like `dlsym()` and `fmemopen()`. Regression testing the fuzz corpora as we do with `make check` has the same caveats. Thus the tests can't be run on every platform.

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