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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* PROGRAM: JRD Access Method
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* MODULE: msg.h
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* DESCRIPTION: Message system definitions
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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/*
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$Id: msg.h,v 1.8 2005-05-27 22:44:02 asfernandes Exp $
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*/
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#ifndef JRD_MSG_H
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#define JRD_MSG_H
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#define MSG_NUMBER(facility, code) ((SLONG) facility * 10000 + code)
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const USHORT MSG_BUCKET = 1024;
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const UCHAR MSG_MAJOR_VERSION = 1;
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const UCHAR MSG_MINOR_VERSION = 0;
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/* Message file header block */
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struct isc_msghdr {
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UCHAR msghdr_major_version; // Version number
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UCHAR msghdr_minor_version; // Version number
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USHORT msghdr_bucket_size; // Bucket size of B-tree
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ULONG msghdr_top_tree; // Start address of first index bucket
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ULONG msghdr_origin; // Origin for data records, unused.
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USHORT msghdr_levels; // Levels in tree
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};
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typedef isc_msghdr ISC_MSGHDR;
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/* Index node */
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struct msgnod {
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ULONG msgnod_code; /* Message code */
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ULONG msgnod_seek; /* Offset of next bucket or message */
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};
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/* Leaf node */
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struct msgrec {
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ULONG msgrec_code; /* Message code */
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USHORT msgrec_length; /* Length of message text */
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USHORT msgrec_flags; /* Misc flags */
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TEXT msgrec_text[1]; /* Text of message */
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};
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typedef msgrec *MSGREC;
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#define NEXT_LEAF(leaf) (MSGREC) \
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((SCHAR*) leaf + FB_ALIGN(OFFSETA (MSGREC, msgrec_text) + leaf->msgrec_length, sizeof (SLONG)))
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#endif /* JRD_MSG_H */
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