corrupt.cpp - File Corrupter (ROMs or whatever)

/*
  Batch File Corruptor v1.2
  Made by Liquos, with help from /sci/
  Cleaning by The Lightning Stalker
*/

#include <fstream>
#include <cstdlib>
#include <iostream>
#include <sys/types.h>
#include <sys/stat.h>

using namespace std;

int fileSize(const char * szFileName){
  struct stat fileStat;
  int err = stat(szFileName, &fileStat);
  if (0 != err) return 0;
  return fileStat.st_size;
}

int corruptFile(string fileName, int pad, int freq, int passes){
    unsigned int corBytes = 0;
    fstream cfile;
    cfile.open(fileName.c_str());

    char randByte;
    unsigned long long pPos;
/*  struct stat buff; */
    unsigned long long size = fileSize(fileName.c_str());

    cout << "Corrupting " << fileName << endl;
    for(int curPass = 0; curPass < passes; curPass++){
        pPos = pad+(rand()%freq);

        while(pPos < size - pad){
            cfile.seekp(pPos);

            randByte = (rand()%255);
            cfile.put(randByte);

            pPos += (rand()%freq)+1;
            corBytes++;
        }
    }
    cfile.close();
    cout << corBytes << " bytes corrupted." << endl << endl;
    return 0;
}

int main(int argc, char* argv[]){
    srand(time(NULL));
    int pad, freq, passes;
    cout << "Padding(x32): ";
    cin >> pad;
    cout << "Frequency (lower = more corruption): ";
    cin >> freq;
    cout << "Passes: ";
    cin >> passes;

    freq *= 128;
    pad *= 32;

    for(int curFile = 1; curFile < argc; curFile++){
        corruptFile(argv[curFile], pad, freq, passes);
    }

    system("pause");
    return 0;
}