82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1998-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: rdataclass.h,v 1.24 2007/06/19 23:47:17 tbox Exp $ */
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#ifndef DNS_RDATACLASS_H
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#define DNS_RDATACLASS_H 1
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/*! \file dns/rdataclass.h */
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#include <isc/lang.h>
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#include <dns/types.h>
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ISC_LANG_BEGINDECLS
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isc_result_t
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dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source);
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/*%<
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* Convert the text 'source' refers to into a DNS class.
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*
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* Requires:
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*\li 'classp' is a valid pointer.
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*
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*\li 'source' is a valid text region.
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*
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* Returns:
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*\li #ISC_R_SUCCESS on success
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*\li #DNS_R_UNKNOWN class is unknown
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*/
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isc_result_t
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dns_rdataclass_totext(dns_rdataclass_t rdclass, isc_buffer_t *target);
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/*%<
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* Put a textual representation of class 'rdclass' into 'target'.
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*
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* Requires:
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*\li 'rdclass' is a valid class.
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*
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*\li 'target' is a valid text buffer.
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*
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* Ensures,
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* if the result is success:
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*\li The used space in 'target' is updated.
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*
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* Returns:
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*\li #ISC_R_SUCCESS on success
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*\li #ISC_R_NOSPACE target buffer is too small
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*/
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void
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dns_rdataclass_format(dns_rdataclass_t rdclass,
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char *array, unsigned int size);
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/*%<
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* Format a human-readable representation of the class 'rdclass'
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* into the character array 'array', which is of size 'size'.
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* The resulting string is guaranteed to be null-terminated.
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*/
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#define DNS_RDATACLASS_FORMATSIZE sizeof("CLASS65535")
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/*%<
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* Minimum size of array to pass to dns_rdataclass_format().
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*/
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ISC_LANG_ENDDECLS
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#endif /* DNS_RDATACLASS_H */
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