int playback_line( int buflen, char *buffer, int *read_size )
{
char *cp;
if ( recording == ON || replaying == OFF )
{
return ( -1 );
}
if ( fgets( buffer, buflen, rfp ) == NULL )
{
close_record( );
return ( -1 );
}
else
{
cp = strrchr( buffer, '\n' );
if ( cp != NULL )
{
*cp = '\0';
}
*read_size = strlen( buffer );
output_line( buffer );
}
return ( '\n' );
} /* playback_line */
int main(int argc, char *argv[])
{
int fd;
person_record rec;
/* fd = open_record("data1"); */
if(argc > 1)
{
// insert data
if(argc > 5 && !strcmp(argv[1], "insert"))
{
fd = update_record("data1", 1);
rec.key = atoi(argv[2]);
strcpy(rec.fname, argv[3]);
strcpy(rec.lname, argv[4]);
rec.age = atoi(argv[5]);
insert_record(fd, &rec);
}
/* delete data */
if(argc > 2 && !strcmp(argv[1], "delete"))
{
fd = update_record("data1", 0);
delete_record(fd, atoi(argv[2]));
}
/* print data */
if(argc > 2 && !strcmp(argv[1], "print"))
{
fd = update_record("data1", 1);
get_record(fd, &rec, atoi(argv[2]));
printf("key = %d\n", rec.key);
printf("First = %s\n", rec.fname);
printf("Last = %s\n", rec.lname);
printf("Age = %d\n", rec.age);
}
}
close_record(fd);
return 0;
}
int playback_key( void )
{
int c;
if ( recording == ON || replaying == OFF )
{
return ( -1 );
}
if ( fscanf( rfp, "<%o>\n", &c ) == EOF )
{
close_record( );
c = -1;
}
return ( c );
} /* playback_key */
