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/* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #ifndef DNS_RDATACLASS_H #define DNS_RDATACLASS_H 1 /*! \file dns/rdataclass.h */ #include <isc/lang.h> #include <dns/types.h> ISC_LANG_BEGINDECLS isc_result_t dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source); /*%< * Convert the text 'source' refers to into a DNS class. * * Requires: *\li 'classp' is a valid pointer. * *\li 'source' is a valid text region. * * Returns: *\li #ISC_R_SUCCESS on success *\li #DNS_R_UNKNOWN class is unknown */ isc_result_t dns_rdataclass_totext(dns_rdataclass_t rdclass, isc_buffer_t *target); /*%< * Put a textual representation of class 'rdclass' into 'target'. * * Requires: *\li 'rdclass' is a valid class. * *\li 'target' is a valid text buffer. * * Ensures, * if the result is success: *\li The used space in 'target' is updated. * * Returns: *\li #ISC_R_SUCCESS on success *\li #ISC_R_NOSPACE target buffer is too small */ isc_result_t dns_rdataclass_tounknowntext(dns_rdataclass_t rdclass, isc_buffer_t *target); /*%< * Put textual RFC3597 CLASSXXXX representation of class 'rdclass' into * 'target'. * * Requires: *\li 'rdclass' is a valid class. * *\li 'target' is a valid text buffer. * * Ensures, * if the result is success: *\li The used space in 'target' is updated. * * Returns: *\li #ISC_R_SUCCESS on success *\li #ISC_R_NOSPACE target buffer is too small */ void dns_rdataclass_format(dns_rdataclass_t rdclass, char *array, unsigned int size); /*%< * Format a human-readable representation of the class 'rdclass' * into the character array 'array', which is of size 'size'. * The resulting string is guaranteed to be null-terminated. */ #define DNS_RDATACLASS_FORMATSIZE sizeof("CLASS65535") /*%< * Minimum size of array to pass to dns_rdataclass_format(). */ ISC_LANG_ENDDECLS #endif /* DNS_RDATACLASS_H */