blob: 37a5b1edf39ebc966c5669111095280b1bdc5a99 [file] [log] [blame]
/*
* Copyright 2016 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <string>
#include <sstream>
typedef unsigned long long quint64;
using namespace std;
inline quint64 qbswap(quint64 source) {
return 0 | ((source & quint64(0x00000000000000ffLL)) << 56) |
((source & quint64(0x000000000000ff00LL)) << 40) |
((source & quint64(0x0000000000ff0000LL)) << 24) |
((source & quint64(0x00000000ff000000LL)) << 8) |
((source & quint64(0x000000ff00000000LL)) >> 8) |
((source & quint64(0x0000ff0000000000LL)) >> 24) |
((source & quint64(0x00ff000000000000LL)) >> 40) |
((source & quint64(0xff00000000000000LL)) >> 56);
}
int main() {
quint64 v = strtoull("4433ffeeddccbb00", NULL, 16);
printf("%lld\n", v);
const string string64bitInt = "4433ffeeddccbb00";
stringstream s(string64bitInt);
quint64 int64bitInt = 0;
printf("1\n");
s >> hex >> int64bitInt;
printf("2\n");
stringstream out;
out << hex << qbswap(int64bitInt);
cout << out.str() << endl;
cout << hex << int64bitInt << endl;
cout << string64bitInt << endl;
if (out.str() != "bbccddeeff3344") {
cout << "Failed!" << endl;
} else {
cout << "Succeeded!" << endl;
}
return 0;
}