#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;
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------