105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/* statement.h
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Definitions for executable statements... */
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/*
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* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
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* Copyright (c) 1996-2003 by Internet Software Consortium
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*
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* Permission to use, copy, modify, and 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
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Internet Systems Consortium, Inc.
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* 950 Charter Street
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* Redwood City, CA 94063
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* <info@isc.org>
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* http://www.isc.org/
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*
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* This software has been written for Internet Systems Consortium
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* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
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* To learn more about Internet Systems Consortium, see
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* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
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* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
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* ``http://www.nominum.com''.
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*/
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struct executable_statement {
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int refcnt;
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struct executable_statement *next;
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enum statement_op {
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null_statement,
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if_statement,
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add_statement,
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eval_statement,
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break_statement,
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default_option_statement,
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supersede_option_statement,
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append_option_statement,
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prepend_option_statement,
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send_option_statement,
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statements_statement,
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on_statement,
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switch_statement,
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case_statement,
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default_statement,
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set_statement,
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unset_statement,
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let_statement,
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define_statement,
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log_statement,
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return_statement
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} op;
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union {
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struct {
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struct executable_statement *tc, *fc;
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struct expression *expr;
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} ie;
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struct expression *eval;
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struct expression *retval;
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struct class *add;
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struct option_cache *option;
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struct option_cache *supersede;
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struct option_cache *prepend;
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struct option_cache *append;
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struct executable_statement *statements;
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struct {
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int evtypes;
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# define ON_COMMIT 1
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# define ON_EXPIRY 2
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# define ON_RELEASE 4
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# define ON_TRANSMISSION 8
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struct executable_statement *statements;
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} on;
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struct {
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struct expression *expr;
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struct executable_statement *statements;
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} s_switch;
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struct expression *c_case;
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struct {
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char *name;
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struct expression *expr;
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struct executable_statement *statements;
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} set, let;
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char *unset;
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struct {
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enum {
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log_priority_fatal,
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log_priority_error,
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log_priority_debug,
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log_priority_info
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} priority;
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struct expression *expr;
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} log;
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} data;
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};
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