diff options
-rw-r--r-- | doc/man3/EVP_PKEY_gettable_params.pod | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/man3/EVP_PKEY_gettable_params.pod b/doc/man3/EVP_PKEY_gettable_params.pod index b28ed69939..23ac4bd8b0 100644 --- a/doc/man3/EVP_PKEY_gettable_params.pod +++ b/doc/man3/EVP_PKEY_gettable_params.pod @@ -52,11 +52,15 @@ buffer I<str> of maximum size I<max_buf_sz> associated with a name of I<key_name>. The maximum size must be large enough to accomodate the string value including a terminating NUL byte, or this function will fail. If I<out_len> is not NULL, I<*out_len> is set to the length of the string -not including the terminating NUL byte. +not including the terminating NUL byte. The required buffer size not including +the terminating NUL byte can be obtained from I<*out_len> by calling the +function with I<str> set to NULL. EVP_PKEY_get_octet_string_param() get a key I<pkey>'s octet string value into a buffer I<buf> of maximum size I<max_buf_sz> associated with a name of I<key_name>. If I<out_len> is not NULL, I<*out_len> is set to the length of the contents. +The required buffer size can be obtained from I<*out_len> by calling the +function with I<buf> set to NULL. =head1 NOTES |