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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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gnutls_record_send_file(3) gnutls gnutls_record_send_file(3)
gnutls_record_send_file - API function
#include <gnutls/gnutls.h>
ssize_t gnutls_record_send_file(gnutls_session_t session, int fd,
off_t * offset, size_t count);
gnutls_session_t session
is a gnutls_session_t type.
int fd file descriptor from which to read data.
off_t * offset
Is relative to file offset, denotes the starting
location for reading. after function returns, it
point to position following last read byte.
size_t count
is the length of the data in bytes to be read from
file and send.
This function sends data from fd . If KTLS (kernel TLS) is
enabled, it will use the sendfile() system call to avoid overhead
of copying data between user space and the kernel. Otherwise, this
functionality is merely emulated by calling read() and
gnutls_record_send(). If this implementation is suboptimal, check
whether KTLS is enabled using gnutls_transport_is_ktls_enabled().
If offset is NULL then file offset is incremented by number of
bytes send, otherwise file offset remains unchanged.
The number of bytes sent, or a negative error code.
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
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.
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/
This page is part of the GnuTLS (GnuTLS Transport Layer Security
Library) project. Information about the project can be found at
⟨http://www.gnutls.org/⟩. If you have a bug report for this
manual page, send it to bugs@gnutls.org. This page was obtained
from the tarball fetched from
⟨https://www.gnupg.org/ftp/gcrypt/gnutls/⟩ on 2025-08-11. If you
discover any rendering problems in this HTML version of the page,
or you believe there is a better or more up-to-date source for the
page, or you have corrections or improvements to the information
in this COLOPHON (which is not part of the original manual page),
send a mail to man-pages@man7.org
gnutls 3.8.10 gnutls_record_send_file(3)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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