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67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
/*
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* PROGRAM: JRD Access Method
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* MODULE: ext.h
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* DESCRIPTION: External file access 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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#ifndef _JRD_EXT_H_
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#define _JRD_EXT_H_
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/* External file access block */
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class ext : public pool_alloc_rpt<SCHAR, type_ext>
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{
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public:
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struct fmt *ext_format; /* External format */
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UCHAR *ext_stuff; /* Random stuff */
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USHORT ext_flags; /* Misc and cruddy flags */
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#ifdef VMS
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int ext_ifi; /* Internal file identifier */
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int ext_isi; /* Internal stream (default) */
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#else
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int *ext_ifi; /* Internal file identifier */
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int *ext_isi; /* Internal stream (default) */
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#endif
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USHORT ext_record_length; /* Record length */
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USHORT ext_file_type; /* File type */
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USHORT ext_index_count; /* Number of indices */
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UCHAR *ext_indices; /* Index descriptions */
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UCHAR ext_dbkey[8]; /* DBKEY */
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UCHAR ext_filename[1];
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};
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typedef ext *EXT;
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#define EXT_opened 1 /* File has been opened */
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#define EXT_eof 2 /* Positioned at EOF */
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#define EXT_readonly 4 /* File could only be opened for read */
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typedef struct irsb_ext {
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USHORT irsb_flags; /* flags (a whole word!) */
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UCHAR irsb_ext_dbkey[8]; /* DBKEY */
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} *IRSB_EXT;
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/* Overload record parameter block with external file stuff */
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#define rpb_ext_pos rpb_page
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#define rpb_ext_isi rpb_f_page
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#define rpb_ext_dbkey rpb_b_page
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#endif /* _JRD_EXT_H_ */
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