gnutls\_x509\_trust\_list\_add\_system\_trust(3) gnutls gnutls\_x509\_trust\_list\_add\_system\_trust(3)

# [NAME](#NAME)

gnutls\_x509\_trust\_list\_add\_system\_trust - API function

# [SYNOPSIS](#SYNOPSIS)

**#include <gnutls/x509.h>**

**int gnutls\_x509\_trust\_list\_add\_system\_trust(gnutls\_x509\_trust\_list\_t list, unsigned int tl\_flags, unsigned int tl\_vflags);**

# [ARGUMENTS](#ARGUMENTS)

[gnutls\_x509\_trust\_list\_t list](#gnutls_x509_trust_list_t)

The structure of the list

[unsigned int tl\_flags](#unsigned)

GNUTLS\_TL\_*

[unsigned int tl\_vflags](#unsigned~2)

gnutls\_certificate\_verify\_flags if flags specifies GNUTLS\_TL\_VERIFY\_CRL

# [DESCRIPTION](#DESCRIPTION)

This function adds the system's default trusted certificate authorities to the trusted list. Note that on unsupported systems this function returns **GNUTLS\_E\_UNIMPLEMENTED\_FEATURE**.

This function implies the flag **GNUTLS\_TL\_NO\_DUPLICATES**.

# [RETURNS](#RETURNS)

The number of added elements or a negative error code on error.

# [SINCE](#SINCE)

3.1

# [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

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Document: gnutls_x509_trust_list_add_system_trust(3) from gnutls 3.8.13-r1 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls