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Diffstat (limited to 'doc/crypto/crypto.pod')
-rw-r--r-- | doc/crypto/crypto.pod | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/crypto/crypto.pod b/doc/crypto/crypto.pod index c12eec1409..7a527992bb 100644 --- a/doc/crypto/crypto.pod +++ b/doc/crypto/crypto.pod @@ -62,6 +62,22 @@ L<txt_db(3)|txt_db(3)> =back +=head1 NOTES + +Some of the newer functions follow a naming convention using the numbers +B<0> and B<1>. For example the functions: + + int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev); + int X509_add1_trust_object(X509 *x, ASN1_OBJECT *obj); + +The B<0> version uses the supplied structure pointer directly +in the parent and it will be freed up when the parent is freed. +In the above example B<crl> would be freed but B<rev> would not. + +The B<1> function uses a copy of the supplied structure pointer +(or in some cases increases its link count) in the parent and +so both (B<x> and B<obj> above) should be freed up. + =head1 SEE ALSO L<openssl(1)|openssl(1)>, L<ssl(3)|ssl(3)> |