man7.org > Linux > man-pages

Linux/UNIX system programming training

gnutls_x509_trust_list_add_system_trust(3) — Linux manual page

NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURNS | SINCE | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON 

gnutls_x509_t...d_system_trust(3) gnutlsgnutls_x509_t...d_system_trust(3)

NAME         top

       gnutls_x509_trust_list_add_system_trust - API function

SYNOPSIS         top

       #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         top

       gnutls_x509_trust_list_t list
                   The structure of the list

       unsigned int tl_flags
                   GNUTLS_TL_*

       unsigned int tl_vflags
                   gnutls_certificate_verify_flags if flags specifies
                   GNUTLS_TL_VERIFY_CRL

DESCRIPTION         top

       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         top

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

SINCE         top

       3.1

REPORTING BUGS         top

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

COPYRIGHT         top

       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         top

       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/

COLOPHON         top

       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                            3.8.10gnutls_x509_t...d_system_trust(3)

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.

Cover of TLPI