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/*************************************************************************
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* Copyright (C) 1995 Embedded Solutions
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* All rights reserved
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*
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* file: src\teamupd.c
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*
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* purpose: Team data edit and display
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* This module contains all the functions required to define and
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* alter the team definitions
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*
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* functions
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* team_update - Update team data on the screen
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* team_display - Display team data on the screen
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* leg_mods - Modify team leg times
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* d_display - Display all team information
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* d_leg - Display / Update leg time information
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* d_field - Display / Update field on the screen
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* g_tnum - Get a team number from the operator
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* g_record - Read a team record from disk
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* clr_team - Clear team data from file
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* put_team_record - Save team record to disk
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* init_team_data - Initialize the team data file
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* fix_team_data - Close team data file
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*
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* programmer: David Purdie
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*
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* revision date by reason
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* 00.0 27/01/95 DDP Tidies up the program and formatted the file
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*
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**************************************************************************/
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#include <QMessageBox>
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#include <fcntl.h>
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#include "consts.h"
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#include "structs.h"
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#include "proto.h"
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#include "mainwindow.h"
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int team_fd; /* Team data file descriptor */
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/*========================================================================
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*
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* Read a team record from disk
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*
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* Purpose:
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* This function is called to Read a team record from disk
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* Locate the team record in the team data file
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* if the record does not exist create a blank record
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*
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* The function will return FALSE if the record was not on disk
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* otherwise TRUE
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*
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* Parameters:
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* int_team Team record required
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* data Area to return record
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*
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* Returns:
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* FALSE : No data available
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*
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*========================================================================*/
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bool g_record( int _team, team_type * data )
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{
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int len; /* length of record read in */
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long pos; /* File pointer */
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pos = _team;
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pos *= sizeof( team_type );
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len = lseek( team_fd, pos, 0 );
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len = read( team_fd, ( char * ) data, sizeof( team_type ) );
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if( ( len == sizeof( team_type ) ) && ( _team == data->numb ) )
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return ( data->flags.valid );
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else
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{
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clr_team( _team, data );
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return ( FALSE );
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}
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}
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/*========================================================================
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*
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* Clear team data from file
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*
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* Purpose:
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* This function is called to Clear team data from file
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* This routine will set the team data to INVALID
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*
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* Parameters:
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* tm Team number
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* data Pointer to the data
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*
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* Returns:
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* Nothing
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*
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*========================================================================*/
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void clr_team( int tm, team_type * data )
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{
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int len;
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memset( ( char * ) data, 0, ( int ) sizeof( team_type ) );
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data->flags.valid = FALSE;
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data->flags.bad_times = TRUE;
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data->numb = tm;
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for( len = 0; len < MAX_LEGS + 1; len++ )
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{
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data->leg[len].start = -1;
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data->leg[len].end = -1;
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data->leg[len].elapsed = -1;
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data->leg[len].l_place = 0;
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data->leg[len].le_place = 0;
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data->leg[len].lec_place = 0;
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data->leg[len].lc_place = 0;
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data->leg[len].manual = 0;
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}
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}
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/*========================================================================
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*
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* Save team record to disk
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*
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* Purpose:
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* This function is called to save team record to disk
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*
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* Parameters:
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* _team Team number
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* data Pointer to the data
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*
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* Returns:
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* FALSE : Error in save
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*
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*========================================================================*/
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bool put_team_record( int _team, team_type * data )
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{
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int len; /* length of record read in */
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long pos; /* file pointer */
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pos = _team;
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pos *= sizeof( team_type );
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lseek( team_fd, pos, 0 );
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len = write( team_fd, ( char * ) data, sizeof( team_type ) );
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if( len != sizeof( team_type ) )
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{
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//perror( "Team record write" );
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MainWindow::showMessage("Error Team record write");
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}
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return ( len == sizeof( team_type ) );
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}
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/*========================================================================
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*
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* Initialize the team data file
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*
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* Purpose:
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* This function is called to Initialize the team data file and
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* prepare it for processing
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*
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* Parameters:
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* None
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*
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* Returns:
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* FALSE : Error encountered
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*
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*========================================================================*/
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bool init_team_data(void)
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{
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QString dataFileName(filepath);
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dataFileName.append(datfile);
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team_fd = open( qPrintable(dataFileName), OPEN_RW, 0 );
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if( team_fd < 0 )
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{
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/*
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* file does not exist - create it
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*/
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if (QMessageBox::Cancel == QMessageBox::question ( 0,
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"Data File Load Error",
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"Cannot load or read Team Data file.\n"
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"If you continue a new (empty) file will be created\n"
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"If you cancel then the application will terminate.",
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QMessageBox::Ok | QMessageBox::Cancel
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) )
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{
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qDebug("Cancel to bad team data");
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exit(2);
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}
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else
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{
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qDebug("Create empty Team Data file");
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team_fd = creat( qPrintable(dataFileName), 0664 );
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if( team_fd > 0 )
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{
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close( team_fd ); /* Close the file */
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team_fd = open( qPrintable(dataFileName), OPEN_RW, 644 );
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if( team_fd < 0 )
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{
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perror( "Team datafile" );
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qFatal( "Program aborted. Team Data error" );
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}
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}
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}
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}
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return ( team_fd >= 0 );
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}
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/*========================================================================
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*
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* Close team data file
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*
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* Purpose:
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* This function is called to close the team data file
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*
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* Parameters:
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* None
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*
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* Returns:
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* Nothing
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*
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*========================================================================*/
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void fix_team_data(void)
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{
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if( team_fd > 0 )
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close( team_fd );
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}
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/********************************* EOF ***********************************/
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