#include "stdafx.h"
#include <string>

off_t OldFileSize = 0;
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

off_t Get_Size(std::string path)
{
	// # include <fstream>
	// ----
	FILE *pFile = NULL;
	// ----
	// get the file stream
	// ----
	fopen_s( &pFile, path.c_str(), "rb" );
	// ----
	// set the file pointer to end of file
	// ----
	fseek( pFile, 0, SEEK_END );
	// ----
	// get the file size
	// ----
	off_t Size = ftell( pFile );
	// ----
	// return the file pointer to begin of file if you want to read it
	// rewind( pFile );
	// ----
	// close stream and release buffer
	// ----
	fclose(pFile);
	// ----
	return Size;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

char * getLineByHandle(FILE * fileHandler)
{
	char Buffer[10024]		= {0};
	// ----
	if(!fgets(Buffer, sizeof(Buffer), fileHandler))
	{
		return NULL;
	}
	// -----
	// # strip trailing '\n' if it exists
	// -----
	int len = strlen(Buffer) - 1;
	// -----
	if(Buffer[len] == '\n') 
	{
		Buffer[len] = 0;
	}
	// -----
	return Buffer;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

void handle_file(FILE * fileHandler)
{
	char * Temp = NULL;
	// ---
	do
	{
		Temp = getLineByHandle(fileHandler);
		// ----
		char var1[1024] = {0};
		char var2[1024] = {0};
		char var3[1024] = {0};
		char var4[1024] = {0};
		char var5[1024] = {0};
		char var6[1024] = {0};
		char var7[1024] = {0};
		char var8[1024] = {0};
		// ----
		sscanf(Temp, "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s", var1, var2, var3, var4, var5, var6, var7, var8);
		// ----
		printf("%s\s",var2);
		getchar();
	}
	while(Temp != NULL);
	// ----
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------

int _tmain(int argc, _TCHAR* argv[])
{
	char	Input[200]		= {0};
	FILE *	fileHandler		= NULL;
	// ---
	do
	{
		printf("please insert log file patch\n");
		scanf("%s", Input);
		// ---
		fileHandler = fopen(Input, "r+");
		// ----
		if(fileHandler == NULL)
		{
			system("cls");
			// ----
			printf("file cannot be opend patch again\n");
		}
		else
		{
			fclose(fileHandler);
			break;
		}
	}
	while(fileHandler == NULL);
	// ---
	while(true)
	{

		printf("Checking file...\n");

		if((OldFileSize == 0) || (OldFileSize != Get_Size(Input)))
		{
			fileHandler = fopen(Input, "r+");
			// ----
			if(fileHandler == NULL)
			{
				system("cls");
				// ----
				printf("file cannot be opend, restart program or check patch again\n");
			}

			handle_file(fileHandler);

			fclose(fileHandler);


			OldFileSize = Get_Size(Input);
		}
		else
		{
			printf("File not changed!\n");
		}


		Sleep(1000);
	}
	// ----

	// ----
	return 0;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------