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Command: SSL_pending | Section: 3 | Source: OpenBSD | File: SSL_pending.3
SSL_PENDING(3) FreeBSD Library Functions Manual SSL_PENDING(3)
NAME
SSL_pending - obtain number of readable bytes buffered in an SSL object
SYNOPSIS
#include <openssl/ssl.h>
int
SSL_pending(const SSL *ssl);
DESCRIPTION
Data is received in whole blocks known as records from the peer. A whole
record is processed, for example decrypted, in one go and is buffered
until it is read by the application via a call to SSL_read(3).
SSL_pending() returns the number of bytes of application data which are
available for immediate read.
SSL_pending() takes into account only bytes from the TLS/SSL record that
is currently being processed (if any).
RETURN VALUES
SSL_pending() returns the number of buffered and processed application
data bytes that are pending and are available for immediate read.
SEE ALSO
ssl(3), SSL_read(3)
HISTORY
SSL_pending() appeared in SSLeay 0.4 or earlier and has been available
since OpenBSD 2.4.
BUGS
Up to OpenSSL 0.9.6, SSL_pending() did not check if the record type of
pending data is application data.
FreeBSD 14.1-RELEASE-p8 January 23, 2020 FreeBSD 14.1-RELEASE-p8