Difference between revisions of "Dbxunlocki()"

#include "dbl.h"
 
	int	dbxunlocki(dbx)
 
	<input parameters>
	char	*dbx;			/* Tagged index file descriptor	*/
 
	<output parameters>
	none

#include <stdio.h>
#include "dbl.h"		/* Recital/Library include file		*/
#include "dblproto.h"		/* Recital/Library prototype file	*/
 
	static	dBFIELD fields[6] = {
		"VESSEL",	'C',	18,	0,	0,
		"LAT",	'N',	4,	1,	0,
		"LONG",	'N',	4,	1,	0,
		"AMOUNT",	'N',	10,	0,	0,
		"DATE",	'D',	8,	0,	0,
		"FLAG",	'C',	9,	0,	0
	};
 
	static void errorproc(
		char	*func,
		char	*str,
		int	rc);
 
	static char *text_table[] =  {
		"Santa Margarita   80.027.5   700000095/01/01Spanish  ",
		"Santa Rosa	  81.824.8  3000000032/01/01Spanish  ",
		"Unknown galleon   83.123.0	   015/01/01Spanish  ",
		"Jessie		97.127.4    10000075/01/01U.S.     ",
		"Lea		   96.227.8   100000080/01/01U.S.     ",
		"S.J. Lee	    96.926.9    20000075/01/01U.S.     ",
		"Genovase	    78.418.4   185000030/01/01Spanish  ",
		"Unknown Vessel    77.517.9	   075/01/01U.S.     "
	};
 
	main()
	{
	int	rc; 		/* Return Code for error handling	*/
	char	*dbf; 		/* File descriptor for table		*/
	char	*dbx; 		/* File descriptor for tagged index	*/
	int	i;	 	/* Loop control variable		*/
	long	recno; 		/* Table record variable		*/
 
	rc = dbdcache(100);
	errorproc("dbdcache()","table cache specified.", rc);
	rc = dbicache(100);
	errorproc("dbicache()", "index cache specified.",rc);
	rc = dbfilemode(1,0);
	rc = dbopen("shipwreck.dbf", &dbf);
	errorproc("dbopen()","table opened in shared mode.", rc);
 
	rc = dbxopen(dbf, "shipwreck.dbx", &dbx);
	errorproc("dbxopen()","tagged index opened.", rc);
 
	for( i = 1; i <= 7; i++)  {
		rc = dbappend(dbf, text_table[i], &recno);
		errorproc("dbappend()", "record appended.", rc);
		rc = dbxlocki(dbx);
		errorproc("dbxlocki()",  "tagged index file locked.", rc);
		rc = dbxakey(dbx, recno);
		errorproc("dbxakey()",  "key added.", rc);
		rc = dbxunlocki(dbx);
		errorproc("dbxunlocki()",  "tagged index file unlocked.", rc);
	}
 
	rc = dbflush(dbf);
	errorproc("dbflush()", "table cache flushed.", rc);
	rc = dbxflsh(dbx);
	errorproc("dbxflsh()", "Tagged index cache flushed.", rc);
 
	rc = dbxclose(dbx);
	errorproc("dbxclose()", "tagged index closed.", rc);
	rc = dbclose(dbf);
	errorproc("dbclose()", "table closed.", rc);
 
	exit(0);
}
 
	static void errorproc(func, str, rc)
	char	*func;
	char	*str;
	int	rc;
{
	if ( rc != SUCCESS ) {
	printf("n  Error performing function %s -> %dn", func, rc);
	exit(1);
	}
	printf("Function: t%s, t%s - Okn", func, str);
	return;
}