---
name: "gnutls_x509_crq_set_basic_constraints"
section: "3"
platform: "linux"
package: "gnutls"
version: "3.8.13-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/gnutls_x509_crq_set_basic_constraints"
---

# gnutls\_x509\_crq\_set\_basic\_constraints(3)

API function

## NAME

gnutls\_x509\_crq\_set\_basic\_constraints - API function

## SYNOPSIS

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

**int gnutls\_x509\_crq\_set\_basic\_constraints(gnutls\_x509\_crq\_t** *crq***, unsigned int** *ca***, int** *pathLenConstraint***);**

## ARGUMENTS

- gnutls\_x509\_crq\_t crq

  a certificate request of type **gnutls\_x509\_crq\_t**

- unsigned int ca

  [true(1)](/true/1.md) or false(0) depending on the Certificate authority status.

- int pathLenConstraint

  non-negative error codes indicate maximum length of path, and negative error codes indicate that the pathLenConstraints field should not be present.

## DESCRIPTION

This function will set the basicConstraints certificate extension.

## RETURNS

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

## SINCE

2\.8.0

## REPORTING BUGS

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

## 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

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/