gnutls\_ext\_set\_data(3) gnutls gnutls\_ext\_set\_data(3)

# [NAME](#NAME)

gnutls\_ext\_set\_data - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <gnutls/gnutls.h>**

**void gnutls\_ext\_set\_data(gnutls\_session\_t session, unsigned tls\_id, gnutls\_ext\_priv\_data\_t data);**

# [ARGUMENTS](#ARGUMENTS)

[gnutls\_session\_t session](#gnutls_session_t)

a **gnutls\_session\_t** opaque pointer

[unsigned tls\_id](#unsigned)

the numeric id of the extension

[gnutls\_ext\_priv\_data\_t data](#gnutls_ext_priv_data_t)

the private data to set

# [DESCRIPTION](#DESCRIPTION)

This function allows an extension handler to store data in the current session and retrieve them later on. The set data will be deallocated using the gnutls\_ext\_deinit\_data\_func.

# [SINCE](#SINCE)

3.4.0

# [REPORTING BUGS](#REPORTING_BUGS)

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

# [COPYRIGHT](#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](#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/](https://www.gnutls.org/manual/)

3.8.13 gnutls

---

Document: gnutls_ext_set_data(3) from gnutls 3.8.13-r3 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls