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/*
db_dump.h - Routines for reading dBase III files
Copyright (c) 1995 Martin Schulze <Martin.Schulze@Infodrom.North.DE>
This file is part of the dbview package, a viewer for dBase II files.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
Most of the code in this file comes from Greg Twaites anno 87. I
only took the file and wrote a program around it. I enclude the
whole header. I have obtained this file from a free software
archive, namely nic.funet.fi.
ftp://nic.funet.fi/pub/msdos/languages/c/dbase.c
*/
/*
* These functions are used to read dbase files.
*
* These functions are provided by Valour Software as a gift.
*
* The program is for test purposes only. No warranty is expressed nor
* implied. USE AT YOUR OWN RISK!
*
*
*/
#define DB_FL_BROWSE 0x01
#define DB_FL_INFO 0x02
#define DB_FL_DESCR 0x04
#define DB_FL_RESERVE 0x08
#define DB_FL_OMIT 0x10
#define DB_FL_TRIM 0x20
typedef struct dbase_head {
unsigned char version; /* 03 for dbIII and 83 for dbIII w/memo file */
unsigned char l_update[3]; /* yymmdd for last update*/
unsigned long count; /* number of records in file*/
unsigned short header; /* length of the header
* includes the \r at end
*/
unsigned short lrecl; /* length of a record
* includes the delete
* byte
*/
unsigned char reserv[20];
} DBASE_HEAD;
#define DB_FLD_CHAR 'C'
#define DB_FLD_NUM 'N'
#define DB_FLD_LOGIC 'L'
#define DB_FLD_MEMO 'M'
#define DB_FLD_DATE 'D'
typedef struct dbase_fld {
char name[11]; /*field name*/
char type; /*field type*/
/* A-T uses large data model but drop it for now */
char *data_ptr; /*pointer into buffer*/
unsigned char length; /*field length*/
char dec_point; /*field decimal point*/
char fill[14];
} DBASE_FIELD;
typedef struct fld_list {
struct fld_list *next;
DBASE_FIELD *fld;
char *data;
} FLD_LIST;
void
db3_process(char*, int, char);
/******************************************************
db3_read_dic()
This function is called with a file name to
read to create a record type to support the
dbase file
******************************************************/
void
db3_read_dic(int);
/******************************************************
db3_print_recs()
Read records and print the data
******************************************************/
void
db3_print_recs(int, int, char);
/******************************************************
db3_print()
Print a single record
******************************************************/
void
db3_print(int, char);
/******************************************************
stack_field()
Add a field to the linked list of fields
******************************************************/
void
stack_field(DBASE_FIELD *);
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