diff options
Diffstat (limited to 'doc/ssl/d2i_SSL_SESSION.pod')
| -rw-r--r-- | doc/ssl/d2i_SSL_SESSION.pod | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/doc/ssl/d2i_SSL_SESSION.pod b/doc/ssl/d2i_SSL_SESSION.pod index 81d276477f9f..bce06e23b619 100644 --- a/doc/ssl/d2i_SSL_SESSION.pod +++ b/doc/ssl/d2i_SSL_SESSION.pod @@ -48,6 +48,16 @@ known limit on the size of the created ASN1 representation, so the necessary amount of space should be obtained by first calling i2d_SSL_SESSION() with B<pp=NULL>, and obtain the size needed, then allocate the memory and call i2d_SSL_SESSION() again. +Note that this will advance the value contained in B<*pp> so it is necessary +to save a copy of the original allocation. +For example: + int i,j; + char *p, *temp; + i = i2d_SSL_SESSION(sess, NULL); + p = temp = malloc(i); + j = i2d_SSL_SESSION(sess, &temp); + assert(i == j); + assert(p+i == temp); =head1 RETURN VALUES |