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    Command:

    gnutls_x509_crt_get_extension_info

    
    
    

    SYNOPSIS

           #include <gnutls/x509.h>
    
           int   gnutls_x509_crt_get_extension_info(gnutls_x509_crt_t   cert,  int
           indx, void * oid, size_t * oid_size, unsigned int * critical);
    
    
    

    ARGUMENTS

           gnutls_x509_crt_t cert
                       should contain a gnutls_x509_crt_t structure
    
           int indx    Specifies which extension OID to send. Use (0) to  get  the
                       first one.
    
           void * oid  a pointer to a structure to hold the OID
    
           size_t * oid_size
                       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.
    
    
    

    DESCRIPTION

           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_crt_get_exten-
           sion_data() to extract the data.
    
           If the buffer provided is not long enough to hold the output, then
            oid_size is updated and GNUTLS_E_SHORT_MEMORY_BUFFER will be returned.
           The  oid returned will be null terminated, although
            oid_size will not account for the trailing null.
    
    
    

    RETURNS

           On success, GNUTLS_E_SUCCESS (0)  is  returned,  otherwise  a  negative
           error  code is returned.  If you have reached the last extension avail-
           able GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
    
    
    

    REPORTING BUGS

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

    COPYRIGHT

           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.
    
    
    

    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
    
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