#include <stdio.h>
#include <string.h>
#include <windows.h>

#define DATA_SIZE 256

int main(int argc, char **argv)
{
    HANDLE hTestFile;           // File handle
    LPCTSTR lpszPathToFile;     // Path to file from argument argv[1]
    LPCTSTR lpszFileString;     // String that we will write to file
    BOOL bIOresult;             // File input/output result
    DWORD cbIObytes;            // Amount of read/wrote bytes
    TCHAR cReadData[DATA_SIZE]; // Memory for read data
    DWORD dwSetPtr;             // Value returned by SetFilePointer()

    if(argc < 2)
    {
        printf("Enter a file name and any string for file input/output\n");

        return -1;
    }

    lpszPathToFile = (LPCTSTR)argv[1];
    lpszFileString = (LPCTSTR)argv[2];
    memset(cReadData, 0x0, DATA_SIZE);

    /* Open file from a command line argument */
    hTestFile = CreateFile(lpszPathToFile,
                           GENERIC_READ|GENERIC_WRITE,
                           0,
                           NULL,
                           CREATE_ALWAYS,
                           FILE_ATTRIBUTE_NORMAL,
                           NULL);

                           if(hTestFile == INVALID_HANDLE_VALUE)
                           {
                                printf("Can't create the file \"%s\", code %d\n", lpszPathToFile, (int)GetLastError());

                                return -2;
                           }

    printf("File \"%s\" is opened\n\n", lpszPathToFile);

    /* Write any data in the file */
    bIOresult = WriteFile(hTestFile,              // file handle
                          lpszFileString,         // data file
                          strlen(lpszFileString), // data file length
                          &cbIObytes,             // input amount of bytes in fact
                          NULL);                  // file access: structure OVERLAPPED - asynchronous, NULL - synchronous

                          if(bIOresult == FALSE)
                          {
                                printf("Can't write data in file %s, code %d\n", lpszPathToFile, (int)GetLastError());

                                return -3;
                          }

    printf("Wrote %d bytes successfully\n", (int)cbIObytes);
    printf("\tDATA: %s\n\n", lpszFileString);

    dwSetPtr = SetFilePointer(hTestFile,
                            0,
                            NULL,
                            FILE_BEGIN);

                            if(dwSetPtr == INVALID_SET_FILE_POINTER)
                            {
                                printf("Can't set pointer on start of the file for reading\n");

                                return -4;
                            }

    /* Currently we read wrote bytes from file and output it to console */
    bIOresult = ReadFile(hTestFile,
                         cReadData,
                         DATA_SIZE,
                         &cbIObytes,
                         NULL);

                         if(bIOresult == FALSE)
                         {
                                printf("Can't read data from file \"%s\", code %d\n", lpszPathToFile, (int)GetLastError());

                                return -5;
                         }

    printf("Read %d bytes successfully:\n", (int)cbIObytes);
    printf("\tDATA: %s\n\n", cReadData);

    /* Close the opened file */
    if(!CloseHandle(hTestFile))
    {
        printf("Can't close the file \"%s\", code %d\n", lpszPathToFile, (int)GetLastError());

        return -6;
    }

    printf("File \"%s\" is closed\n\n", lpszPathToFile);

    /* Remove the file */
    if(!DeleteFile(lpszPathToFile))
        printf("Can't delete file \"%s\", code %d\n", lpszPathToFile, (int)GetLastError());

    printf("File \"%s\" is successfully removed\n\n", lpszPathToFile);

    return 0;
}