Yes you can do so. It is documented in most of the manpages, and in 1.1.0 and later it should be in all of them.
On 1/1/18, 11:19 AM, "Ray Satiro via openssl-dev" <openssl-dev@openssl.org> wrote: I'm trying to figure out whether it's supported to call X509_free(NULL) in 1.0.2 and beyond. It's not documented what action occurs when the pointer is null. Also generally speaking is it supported to call openssl free functions with null pointers? -- openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev -- openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev