HandleErrors.h

 /* 
 	File: 		HandleErrors.h
	Version: 	Error handling functions, with and without setting status
	Author:		Joe O'Regan

	Year 4 Networked Games Assignment

	Team 1:
	Joe O'Regan 	K00203642
	Samantha Marah	K00200782
	Jason Foley 	K00186690

	25/11/2017	Added displayErrMoreSpecific() for more detailed error handling
*/

#ifndef	__HANDLE_ERRORS
#define	__HANDLE_ERRORS

#include <stdio.h>						// perror()

/*
	Function to display error message and exit
*/
void displayErrMsg(char* reason) {
	perror(reason);						// Dispay system error message		
	exit(1);						// Exit the program
}

/* 
	Error message function with exit status
*/
void displayErrMsgStatus(char* reason, int status) {
	perror(reason);						// Dispay system error message		
	exit(status);						// Exit the program
}

/*
	Display a more detailed error message and exit
*/
void displayErrSpecific(char* reason, int status, char* info) {
	char* err;						// Error message to display to user
	sprintf(err, "%s %s", reason, info);			// Append the 2 strings to 1 error message
	perror(err);						// Dispay system error message		
	exit(status);						// Exit the program	
}


/*
	Display error message for getaddrinfo() when gai_strerror() is used
*/
void displayErrGaiStr(char* reason, int status, int rtnVal ) {
	char* err;						// Error message to display to user
	sprintf(err, "%s %s", reason, gai_strerror(rtnVal));	// Append the 2 strings to 1 error message
	perror(err);						// Dispay system error message		
	exit(status);						// Exit the program	
}


#endif	/* __HANDLE_ERRORS */