Sort Huge Files

gistfile1.txt

#include <stdint.h>
#include <windows.h>
#include <algorithm>

int main() {
	HANDLE handleFile = CreateFileA("E:/1/build/001114-0452-03.jpg",
		GENERIC_READ | GENERIC_WRITE,
    		FILE_SHARE_WRITE,
    		NULL,
    		OPEN_EXISTING,
    		FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS, NULL);
	HANDLE handleMap = CreateFileMapping(handleFile,
		NULL,
		PAGE_READWRITE,
		0,
		0,
		NULL);
	DWORD dwSizeHigh = 0;
	DWORD dwSizeLow = GetFileSize(handleFile, &dwSizeHigh);
	const uint64_t size = ((uint64_t)dwSizeHigh << 32u) | (uint64_t)dwSizeLow;
	uint8_t* data = static_cast<uint8_t*>(MapViewOfFile(handleMap, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0));

	std::sort(data, data + size);

	UnmapViewOfFile(data);

	CloseHandle(handleMap);
	CloseHandle(handleFile);

	return 0;
}