[openssl-users] [openssl-dev] Is X509_free(NULL) ok?

[Kurt Roeckx]

On Fri, Dec 22, 2017 at 09:30:19AM -0500, Ken Goldman wrote:
> On 12/22/2017 9:24 AM, Salz, Rich via openssl-users wrote:
> > > 	if (ptr!= NULL) free(ptr);
> > That shouldn’t be necessary for OpenSSL.  If you find places where it is, please open an issue.
> 
> OK.  I'll mention a few, but it's a global issue.
> 
> The code may handle NULL.  However, conservative users won't go by what the
> code happens to do today.  We have to go by the API documentation, which is
> the contract between the library and the user.  If the API is silent, we
> cautiously assume it's not guaranteed, and can change in the future.

So feel free to document it as being able to handle NULL.


Kurt