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/************************************************************************** Copyright (C) 1992 Embedded Solutions.* All rights reserved** file: noname.c** purpose: Create marathon time record in a manner* compatible with the BRMR program, as per the GETX07* program.** functions:* main - Program entry point* get_team_number - Get a team number from the user* read_field_data - Read in existing team info* display_help - Display help to the user** programmer: David Purdie (DDP)** revision date by reason* 00.0 19-Mar-94 DDP created***************************************************************************/#include <stdio.h>#include <stdlib.h>#include <ctype.h>#include <time.h>#define TRUE 1#define FALSE 0/*** Global variables*/int leg = 0;char ans;FILE *file;char filename[12];char *leg_table[] = {"Run","Canoe","Swim","Horse","Cycle",};time_t teamtime[1000];/*** Forward prototypes*/void read_field_data( FILE * file );void display_help( int );int get_team_number(void);/*========================================================================** Program entry point** Purpose:* This function is called start the program** Parameters:* argc - Number of arguments* argv - Address of argument pointers** Returns:* Nothing* Exit with valid exit codes**========================================================================*/int main( int argc, char *argv[] ){char input[30];int team;time_t *teamptr;time_t curtime;char data_entered = FALSE;/*** Display HELP*/display_help( 0 );/*** Determine the leg to get data for*/if( argc >= 2 )leg = atoi( argv[1] );/*** Initialise the team data base*/for( team = 0, teamptr = teamtime; team < 999; team++, teamptr++ ){*teamptr = 0;}do{while( leg == 0 ){printf( "Which leg to collect data for : " );scanf( "%d", &leg );fflush( stdin );}if( ( leg == 0 )|| ( leg > sizeof( leg_table ) / sizeof( leg_table[0] ) ) ){printf( "Invalid leg\n" );leg = 0;continue;}sprintf( filename, "LEG%1.1d", leg );file = fopen( filename, "at+" );if( file == NULL ){printf( "Error opening file\n" );exit( 1 );}fseek( file, 0, SEEK_END );if( ftell( file ) != 0 ){printf( "Leg data already exists. Append new data ? " );scanf( "%c", &ans );fflush( stdin );if( toupper( ans ) != 'Y' ){fclose( file );leg = 0;continue;}read_field_data( file );}} while( leg == 0 );/*** Main loop: Collect team numbers from the uer*/while( 1 ){/*** Get the team number*/printf( "Enter team > " );team = get_team_number();teamptr = &teamtime[team % 1000];/*** Team-999 Exit*/if( team == 999 )break;/*** Just display the time*/else if( team == 0 ){time( &curtime );printf( " %8.8s\n", ctime( &curtime ) + 11 );continue;}/*** Save data to disk*/else if( team == -1 ){if( data_entered ){fflush( file );fclose( file );file = fopen( filename, "at+" );if( file == NULL ){printf( " Panic Cannot re-open data file\n" );exit( 1 );}elseprintf( " Data saved to disk\n" );data_entered = FALSE;}elseprintf( "\r" );continue;}else if( team == -2 )display_help( 1 );/*** Determine operation** 1..998 Enter team data*/else if( team < 999 ){if( *teamptr ){printf( " Already entered at %8.8s\a\n",ctime( teamptr ) + 11 );}else{time( teamptr );printf( " %8.8s\n", ctime( teamptr ) + 11 );fprintf( file, "%3.3d %8.8s\n", team, ctime( teamptr ) + 11 );data_entered = TRUE;}}/*** Overwrite team information** 1001..1998*/else if( team < 1999 ){if( *teamptr ){printf( " Was %8.8s. ", ctime( teamptr ) + 11 );time( teamptr );printf( " Now %8.8s\a\n", ctime( teamptr ) + 11 );fprintf( file, "%3.3d %8.8s\n", team, ctime( teamptr ) + 11 );data_entered = TRUE;}}/*** Display team time** 2001..2998*/else if( team < 2999 ){if( *teamptr ){printf( " Entered as %8.8s\a\n", ctime( teamptr ) + 11 );}elseprintf( " Has not been entered\n" );}/*** Invalid team number*/else{printf( " Invalid team number\a\n" );}}/*** Happy ending. Save the data and exit** As some data may be duplicated on disk we should re-write the** Entire file*/fclose( file );printf( "\nCreating ordered data file\n" );file = fopen( "LEG.WRK", "wtt" );if( file == NULL ){printf( "Error creating linear data record of times\n" );exit( 1 );}for( team = 1, teamptr = &teamtime[1]; team < 999; team++, teamptr++ ){if( *teamptr )fprintf( file, "%3.3d %8.8s\n", team, ctime( teamptr ) + 11 );}fclose( file );remove( filename );if( rename( "LEG.WRK", filename ) != 0 ){perror( "Error renaming work file" );exit( 1 );}exit( 0 );}/*========================================================================** Get a team number from the user** Purpose:* This function is called to get a team number from the user** Parameters:* None** Returns:* Team number* 0 - Just display time* -1 - Time to save data* -2 - Display help**===========================================================================*/int get_team_number(void){int team = 0;int num_digits = 0;int ch;time_t dummy;time_t last_time = time( &dummy );/*** Collect a number*/for( ;; ){if( kbhit() ){ch = getch();/*** Process the character*/if( ch == '?' && num_digits == 0 )return ( -2 );if( ( ch == '\r' ) || ( ch == '\n' ) || ( ch == ' ' )|| ( ch == ',' ) || ( ch == 0x1b ) || ( ch == 0x03 ) )return ( team );else if( ( ch >= '0' && ch <= '9' ) && ( num_digits < 4 ) ){num_digits += 1;team = team * 10 + ch - '0';putch( ch );}else if( ( ch == '\b' || ch == 0x177 ) && ( num_digits ) ){num_digits -= 1;team = team / 10;cputs( "\b \b" );}elseputch( '\a' );}/*** No key available** Check time and save data if required*/else if( num_digits == 0 ){if( time( &dummy ) - last_time > 20 )return ( -1 );}}}/*========================================================================** Read in existing team info** Purpose:* This function is called to Read in existing team info** Parameters:* file - File pointer** Returns:* Nothing**========================================================================*/void read_field_data( FILE * file ){int cnt;int team, hh, mm, ss;/*** Start from the begining*/fseek( file, 0, SEEK_SET );while( feof( file ) == 0 ){cnt = fscanf( file, "%d %d:%d:%d", &team, &hh, &mm, &ss );if( cnt == 4 && team > 0 && team < 9999 ){teamtime[team] =( long ) ss + ( ( long ) mm * 60 ) +( ( long ) hh * 60 * 60 );}}/*** Ensure file is at end*/fseek( file, 0, SEEK_END );}/*========================================================================** Display help to the user** Purpose:* This function is called to Display help to the user** Parameters:* type 1 - Short help* - Long help** Returns:* Nothing**========================================================================*/void display_help( int type ){printf( "\n" );if( type != 1 ){printf( "This program will simulate marathon data collection on a PC\n" );printf( "This program will save data to disk periodically\n" );printf( "Commands are:\n" );}printf( " nnn - Register team time\n" );printf( "1nnn - Force team time, override any existing time\n" );printf( "2nnn - Display team time\n" );printf( " 999 - Exit program (DO NOT USE CONTROL-C)\n" );}/********************************* EOF ***********************************/