byteswapper

#include <fstream>
#include <string>

const std::string inFile = "...";
const std::string outFile = "...";


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

	std::ifstream fin(inFile, std::ios::in | std::ios::binary | std::ios::ate);

	std::streampos fileSize = fin.tellg();

	uint8_t* fileData = new uint8_t[fileSize];

	fin.seekg(0);

	fin.read(reinterpret_cast<char *>(fileData), fileSize);

	std::ofstream fout(outFile, std::ios::out | std::ios::binary);

	int i = 0;
	for (i = 0; i < fileSize; i += 2)
		fout << fileData[i + 1] << fileData[i];
	if (fileSize % 2 == 1)
		fout << (uint8_t)0 << fileData[-1 + fileSize];
	fout.close();

	return 0;
}