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#include <windows.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <vector>
#include <string>
int main(int argc, char *argv[]) {
system("cls");
if (argc == 1) {
printf("Usage: %s hhhh\n", argv[0]);
return 0;
}
std::wstring dataToWrite;
for (int i = 1; i < argc; ++i) {
wchar_t ch = strtol(argv[i], NULL, 16);
dataToWrite.push_back(ch);
}
DWORD actual = 0;
BOOL ret = WriteConsoleW(
GetStdHandle(STD_OUTPUT_HANDLE),
dataToWrite.data(), dataToWrite.size(), &actual, NULL);
assert(ret && actual == dataToWrite.size());
// Read it back.
std::vector<CHAR_INFO> readBuffer(dataToWrite.size() * 2);
COORD bufSize = {static_cast<short>(readBuffer.size()), 1};
COORD bufCoord = {0, 0};
SMALL_RECT topLeft = {0, 0, static_cast<short>(readBuffer.size() - 1), 0};
ret = ReadConsoleOutputW(
GetStdHandle(STD_OUTPUT_HANDLE), readBuffer.data(),
bufSize, bufCoord, &topLeft);
assert(ret);
printf("\n");
for (int i = 0; i < readBuffer.size(); ++i) {
printf("CHAR: %04x %04x\n",
readBuffer[i].Char.UnicodeChar,
readBuffer[i].Attributes);
}
return 0;
}
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