[erlang-questions] size_object: bad tag for 0x600
Mon Jun 7 00:02:17 CEST 2010
Saurabh Narula writes:
> Hello everyone,
> I am getting this error when i try to pattern match the result of C
> language NIF function with the erlang term.
> Even though the Eterm returned from the C Language NIF and erlang Term
> are same in format, the pattern match operation fails with the error
> "size_object: bad tag for 0x600".
> Overview of what i am doing -
> 1. send string with binary format from erlang to NIF.
> 2. inside NIF do operations.
> 3. parse string character by character inside NiF, make head | tail List/String
> 4. make eterms with these string with some atom etc.
> 5. pass it back to erlang.
> 6. do a pattern match of the string in erlang and string/list received
> from C NIF.
> Thank you in advance for your help.
size_object() operates on Erlang terms, but 0x600 is not a valid
representation for any Erlang term, that's why it complains.
Somewhere in your code where you construct Erlang terms you do
so incorrectly. Perhaps you're inserting a C integer into a term
somewhere and forgot to call make_small()?
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