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SSL_pending(3)


NAME

  SSL_pending - Obtain number of readable bytes buffered in an SSL object


SYNOPSIS

  #include <openssl/ssl.h>

  int SSL_pending(
	  SSL *ssl );


DESCRIPTION

  The SSL_pending() function 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 the SSL_read()
  function.


RESTRICTIONS

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

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


RETURN VALUES

  The number of bytes pending is returned.


SEE ALSO

  Function: SSL_read(3), ssl(3)

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