gnutls\_x509\_ext\_import\_basic\_constraints(3) gnutls gnutls\_x509\_ext\_import\_basic\_constraints(3)

# [NAME](#NAME)

gnutls\_x509\_ext\_import\_basic\_constraints - API function

# [SYNOPSIS](#SYNOPSIS)

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

**int gnutls\_x509\_ext\_import\_basic\_constraints(const gnutls\_datum\_t * ext, unsigned int * ca, int * pathlen);**

# [ARGUMENTS](#ARGUMENTS)

[const gnutls\_datum\_t * ext](#const)

the DER encoded extension data

[unsigned int * ca](#unsigned)

will be non zero if the CA status is true

[int * pathlen](#int)

the path length constraint; will be set to -1 for no limit

# [DESCRIPTION](#DESCRIPTION)

This function will return the CA status and path length constraint as written in the PKIX extension 2.5.29.19.

# [RETURNS](#RETURNS)

On success, **GNUTLS\_E\_SUCCESS** (0) is returned, otherwise a negative error value.

# [SINCE](#SINCE)

3.3.0

# [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

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Document: gnutls_x509_ext_import_basic_constraints(3) from gnutls 3.8.13-r1 (Chainguard OS)
Source: https://gitlab.com/gnutls/gnutls