Spread USB [C]

#include <windows.h>

#include <stdio.h>

#define COPY_LOCATION "C:\\copy.exe"

void copyFile()
{


    char location[MAX_PATH];

    GetModuleFileName(NULL, location, MAX_PATH); // Gets the full location of the currently running process

    puts(location); // Print it out

    FILE * original;

    original = fopen(location, "rb"); // Open the file for reading binary

    if(original == NULL) // Error opening
    {

        fprintf(stderr, "Error opening file [%s]\r\n", GetLastError());

        getchar();

        ExitProcess(0);

    }

    fseek(original, 0, SEEK_END); // Seek to the end of the file

    long size = ftell(original); // Get our file size

    rewind(original); // Go back to the start of the file

    char bytes[size];

    int result = fread (bytes,1,size,original); // Read our bytes from this file

    if(result != size) // Didn't get it all
    {

        fprintf(stderr, "Error reading file [%s]\r\n", GetLastError());

        fclose(original);

        getchar();

        ExitProcess(0);

    }

    FILE * copied;

    copied = fopen(COPY_LOCATION, "wb"); // Open to write-binary

    int wrote = fwrite(bytes, 1, size, copied);

    if(wrote != size) // Didn't write it all
    {

        fprintf(stderr, "Error copying file [%s]\r\n", GetLastError());

        fclose(original);

        getchar();

        ExitProcess(0);

    }

    fclose(copied); // Close copy
    
    fclose(original); // Close original

    puts("Copy complete!");

    getchar();

}

int main(int argc, char **argv)
{

    copyFile();

}