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16017f6d78
Draft 3 of IEEE 1003.1 200x, "2.2 The Compilation Environment" All identifiers that begin with an underscore and either an uppercase letter or another underscore are always reserved for any use by the implementation.
95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/*
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* Copyright (c) 1991, 1992, 1993 Brad Eacker,
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* (Music, Intuition, Software, and Computers)
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* All Rights Reserved
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*/
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/*
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* dbf header structure on disk (pc dbase III)
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*
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* Basic info taken from:
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* "File Formats for Popular PC Software"
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* Jeff Walden
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* (c) 1986 John Wiley & Sons, Inc.
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*/
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#ifndef DBF_H_
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#define DBF_H_
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#include <stdlib.h>
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#include <string.h>
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#ifdef WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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/* So we can use O_BINARY on non-Win32 systems. */
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#if !defined(O_BINARY) && !defined(WIN32)
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#define O_BINARY (0)
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#endif
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struct dbf_dhead {
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char dbh_dbt; /* memo (dbt) file present */
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char dbh_date[3]; /* last update YY, MM, DD */
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char dbh_records[4]; /* number of records LE */
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char dbh_hlen[2]; /* header length LE */
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char dbh_rlen[2]; /* record length LE */
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char dbh_res[20]; /* padding */
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};
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#define DBH_DATE_YEAR 0 /* byte offset for year in dbh_date */
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#define DBH_DATE_MONTH 1
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#define DBH_DATE_DAY 2
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/*
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* field description on disk
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*/
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#define DBF_NAMELEN 11
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struct dbf_dfield {
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char dbf_name[DBF_NAMELEN]; /* name of field */
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char dbf_type; /* type of field */
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char dbf_fda[4]; /* something for dbase III */
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char dbf_flen[2]; /* field length [and decimal if N] */
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char dbf_res[14]; /* padding */
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};
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struct db_field {
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char db_fname[DBF_NAMELEN+1]; /* 0 terminated */
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char db_type; /* type of field */
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int db_flen; /* length of field */
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int db_fdc; /* number of decimals in field */
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char *db_format; /* format for printing %s etc */
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int db_foffset; /* offset within record */
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};
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typedef struct db_field dbfield_t;
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struct db_head {
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int db_fd;
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unsigned char db_dbt; /* dbt present */
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char db_date[9]; /* date of last update in db format */
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long db_records; /* number of records */
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int db_hlen; /* header length */
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int db_rlen; /* record length */
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int db_nfields; /* number of fields */
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dbfield_t *db_fields; /* field info */
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char *db_name; /* name of dbf file */
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int db_cur_rec; /* current record */
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};
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typedef struct db_head dbhead_t;
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#define DBH_TYPE_NORMAL 0x03
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#define DBH_TYPE_MEMO 0x83
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#define VALID_RECORD ' '
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#define DELETED_RECORD '*'
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#include "dbf_head.h"
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#include "dbf_misc.h"
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#include "dbf_rec.h"
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#endif /* DBF_H_ */
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