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int gnutls_x509_crq_get_basic_constraints(gnutls_x509_crq_t crq,
unsigned int * critical, unsigned int * ca, int * pathlen);
should contain a gnutls_x509_crq_t structure
unsigned int * critical
will be non-zero if the extension is marked as critical
unsigned int * ca
pointer to output integer indicating CA status, may be
NULL, value is 1 if the certificate CA flag is set, 0 oth-
int * pathlen
pointer to output integer indicating path length (may be
NULL), non-negative error codes indicate a present pathLen-
Constraint field and the actual value, -1 indicate that the
field is absent.
This function will read the certificate's basic constraints, and return
the certificates CA status. It reads the basicConstraints X.509 exten-
If the certificate is a CA a positive value will be returned, or (0) if
the certificate does not have CA flag set. A negative error code may
be returned in case of errors. If the certificate does not contain the
basicConstraints extension GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will
Report bugs to <firstname.lastname@example.org>.
Home page: http://www.gnutls.org
Copyright (C) 2001-2014 Free Software Foundation, Inc.
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.
The full documentation for gnutls is maintained as a Texinfo manual.