Hi,

I'm reading the documentation for ERR_get_error_line_data() here:
http://www.openssl.org/docs/crypto/ERR_get_error.html

The comments say that 'data' is dynamically allocated with
OPENSSL_malloc() if the ERR_TXT_MALLOCED bit is set in 'flags'. I
presume this means that we need to call OPENSSL_free() to free 'data',
but the documentation isn't clear on that.

I'm running into two issues in this regard. For one, 'data' is a 'const
char*', but OPENSSL_free() takes a 'void*', so we get a type mismatch.
See my sample code here, which includes the compiler error message:
http://pastebin.com/VNdkwf0G

The second issue is that I've been looking around on the web (in
particular on Ohloh) for usage of ERR_get_error_line_data(), and no one
seems to be checking for the ERR_TXT_MALLOCED bit in 'flags'. Maybe
doing so isn't necessary, but the documentation seems to suggest that it
is.

Can someone please help clarify what exactly to do here?

Thanks,
Adam
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