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SSL_pending(3)                      OpenSSL                     SSL_pending(3)



NAME
       SSL_pending - obtain number of readable bytes buffered in an SSL object

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/ssl.h>

        int SSL_pending(const SSL *ssl);

DESCRIPTION
       SSL_pending() returns the number of bytes which are available inside
       ssl for immediate read.

NOTES
       Data are received in blocks from the peer. Therefore data can be
       buffered inside ssl and are ready for immediate retrieval with
       SSL_read(3).

RETURN VALUES
       The number of bytes pending is returned.

BUGS
       SSL_pending() takes into account only bytes from the TLS/SSL record
       that is currently being processed (if any).  If the SSL object's
       read_ahead flag is set (see SSL_CTX_set_read_ahead(3)), additional
       protocol bytes may have been read containing more TLS/SSL records;
       these are ignored by SSL_pending().

       Up to OpenSSL 0.9.6, SSL_pending() does not check if the record type of
       pending data is application data.

SEE ALSO
       SSL_read(3), SSL_CTX_set_read_ahead(3), ssl(3)



1.0.1u                            2015-05-25                    SSL_pending(3)