1gnutls_x509_crq_get_extension_info(3)gnutlsgnutls_x509_crq_get_extension_info(3)
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NAME

6       gnutls_x509_crq_get_extension_info - API function
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SYNOPSIS

9       #include <gnutls/x509.h>
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11       int  gnutls_x509_crq_get_extension_info(gnutls_x509_crq_t crq, unsigned
12       indx, void * oid, size_t * sizeof_oid, unsigned int * critical);
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ARGUMENTS

15       gnutls_x509_crq_t crq
16                   should contain a gnutls_x509_crq_t type
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18       unsigned indx
19                   Specifies which extension number to get. Use (0) to get the
20                   first one.
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22       void * oid  a pointer to store the OID
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24       size_t * sizeof_oid
25                   initially  holds the maximum size of  oid , on return holds
26                   actual size of  oid .
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28       unsigned int * critical
29                   output variable with critical flag, may be NULL.
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DESCRIPTION

32       This function will return the requested extension OID in  the  certifi‐
33       cate,  and  the critical flag for it.  The extension OID will be stored
34       as a string in the  provided  buffer.   Use  gnutls_x509_crq_get_exten‐
35       sion_data() to extract the data.
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37       If  the  buffer  provided is not long enough to hold the output, then *
38       sizeof_oid  is  updated  and   GNUTLS_E_SHORT_MEMORY_BUFFER   will   be
39       returned.
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RETURNS

42       On  success,  GNUTLS_E_SUCCESS  (0)  is  returned, otherwise a negative
43       error code in case of an error.  If your have reached the  last  exten‐
44       sion available GNUTLS_E_REQUESTED_DATA_NOT_AVAILABLE will be returned.
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SINCE

47       2.8.0
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REPORTING BUGS

50       Report bugs to <bugs@gnutls.org>.
51       Home page: http://www.gnutls.org
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55       Copyright © 2001-2018 Free Software Foundation, Inc., and others.
56       Copying  and  distribution  of this file, with or without modification,
57       are permitted in any medium  without  royalty  provided  the  copyright
58       notice and this notice are preserved.
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SEE ALSO

61       The  full  documentation  for gnutls is maintained as a Texinfo manual.
62       If the /usr/share/doc/gnutls/ directory does not contain the HTML  form
63       visit
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65       http://www.gnutls.org/manual/
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67gnutls                               3.6.5gnutls_x509_crq_get_extension_info(3)
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