rdataclass.h revision 7d32c065c7bb56f281651ae3dd2888f32ce4f1d9
/*
* Copyright (C) 1998, 1999, 2000 Internet Software Consortium.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#ifndef DNS_RDATACLASS_H
#define DNS_RDATACLASS_H 1
#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:
* 'classp' is a valid pointer.
*
* 'source' is a valid text region.
*
* Returns:
* DNS_R_SUCCESS on success
* DNS_R_UNKNOWN class is unknown
* DNS_R_NOTIMPLEMENTED class is known, but not implemented
*/
isc_result_t dns_rdataclass_totext(dns_rdataclass_t rdclass,
isc_buffer_t *target);
/*
* Put a textual representation of class 'rdclass' into 'target'.
*
* Requires:
* 'rdclass' is a valid class.
*
* 'target' is a valid text buffer.
*
* Ensures:
* If the result is success:
* The used space in 'target' is updated.
*
* Returns:
* DNS_R_SUCCESS on success
* DNS_R_NOSPACE target buffer is too small
*/
ISC_LANG_ENDDECLS
#endif /* DNS_RDATACLASS_H */