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int gnutls_x509_crq_get_extension_info(gnutls_x509_crq_t crq, int indx,
void * oid, size_t * sizeof_oid, unsigned int * critical);
should contain a gnutls_x509_crq_t structure
int indx Specifies which extension number to get. Use (0) to get the
void * oid a pointer to a structure to hold the OID
size_t * sizeof_oid
initially holds the maximum size of oid , on return holds
actual size of oid .
unsigned int * critical
output variable with critical flag, may be NULL.
This function will return the requested extension OID in the certifi-
cate, and the critical flag for it. The extension OID will be stored
as a string in the provided buffer. Use gnutls_x509_crq_get_exten-
sion_data() to extract the data.
If the buffer provided is not long enough to hold the output, then *
sizeof_oid is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be
On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative
error code in case of an error. If your have reached the last exten-
sion available GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
Report bugs to <email@example.com>.
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.