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Editing: sexpr.h
/* * Portions 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 https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. * * Portions Copyright (C) 2001 Nominum, Inc. * * Permission to use, copy, modify, and/or 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 ISC AND NOMINUM DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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 ISCCC_SEXPR_H #define ISCCC_SEXPR_H 1 /*! \file isccc/sexpr.h */ #include <stdbool.h> #include <stdio.h> #include <isc/lang.h> #include <isccc/types.h> ISC_LANG_BEGINDECLS /*% dotted pair structure */ struct isccc_dottedpair { isccc_sexpr_t *car; isccc_sexpr_t *cdr; }; /*% iscc_sexpr structure */ struct isccc_sexpr { unsigned int type; union { char *as_string; isccc_dottedpair_t as_dottedpair; isccc_region_t as_region; } value; }; #define ISCCC_SEXPRTYPE_NONE 0x00 /*%< Illegal. */ #define ISCCC_SEXPRTYPE_T 0x01 #define ISCCC_SEXPRTYPE_STRING 0x02 #define ISCCC_SEXPRTYPE_DOTTEDPAIR 0x03 #define ISCCC_SEXPRTYPE_BINARY 0x04 #define ISCCC_SEXPR_CAR(s) (s)->value.as_dottedpair.car #define ISCCC_SEXPR_CDR(s) (s)->value.as_dottedpair.cdr isccc_sexpr_t * isccc_sexpr_cons(isccc_sexpr_t *car, isccc_sexpr_t *cdr); isccc_sexpr_t * isccc_sexpr_tconst(void); isccc_sexpr_t * isccc_sexpr_fromstring(const char *str); isccc_sexpr_t * isccc_sexpr_frombinary(const isccc_region_t *region); void isccc_sexpr_free(isccc_sexpr_t **sexprp); void isccc_sexpr_print(isccc_sexpr_t *sexpr, FILE *stream); isccc_sexpr_t * isccc_sexpr_car(isccc_sexpr_t *list); isccc_sexpr_t * isccc_sexpr_cdr(isccc_sexpr_t *list); void isccc_sexpr_setcar(isccc_sexpr_t *pair, isccc_sexpr_t *car); void isccc_sexpr_setcdr(isccc_sexpr_t *pair, isccc_sexpr_t *cdr); isccc_sexpr_t * isccc_sexpr_addtolist(isccc_sexpr_t **l1p, isccc_sexpr_t *l2); bool isccc_sexpr_listp(isccc_sexpr_t *sexpr); bool isccc_sexpr_emptyp(isccc_sexpr_t *sexpr); bool isccc_sexpr_stringp(isccc_sexpr_t *sexpr); bool isccc_sexpr_binaryp(isccc_sexpr_t *sexpr); char * isccc_sexpr_tostring(isccc_sexpr_t *sexpr); isccc_region_t * isccc_sexpr_tobinary(isccc_sexpr_t *sexpr); ISC_LANG_ENDDECLS #endif /* ISCCC_SEXPR_H */
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