NAME¶

gnutls_record_recv - API function

SYNOPSIS¶

#include <gnutls/gnutls.h>

ssize_t gnutls_record_recv(gnutls_session_t session, void * data, size_t data_size);

ARGUMENTS¶

gnutls_session_t session

is a gnutls_session_t type.

void * data

the buffer that the data will be read into

size_t data_size

the number of requested bytes

DESCRIPTION¶

This function has the similar semantics with recv(). The only difference is that it accepts a GnuTLS session, and uses different error codes. In the special case that the peer requests a renegotiation, the caller will receive an error code of GNUTLS_E_REHANDSHAKE. In case of a client, this message may be simply ignored, replied with an alert GNUTLS_A_NO_RENEGOTIATION, or replied with a new handshake, depending on the client's will. A server receiving this error code can only initiate a new handshake or terminate the session.

If EINTR is returned by the internal pull function (the default is recv()) then GNUTLS_E_INTERRUPTED will be returned. If GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN is returned, you must call this function again to get the data. See also gnutls_record_get_direction().

RETURNS¶

The number of bytes received and zero on EOF (for stream connections). A negative error code is returned in case of an error. The number of bytes received might be less than the requested data_size .

REPORTING BUGS¶

Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org

COPYRIGHT¶

Copyright © 2001-2023 Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.

SEE ALSO¶

The full documentation for gnutls is maintained as a Texinfo manual. If the /usr/share/doc/gnutls/ directory does not contain the HTML form visit

https://www.gnutls.org/manual/