1 files changed, 46 insertions, 0 deletions
diff --git a/src/libs/3rdparty/winpty/misc/Utf16Echo.cc b/src/libs/3rdparty/winpty/misc/Utf16Echo.cc
new file mode 100644
index 0000000000..ef5f302de4
--- /dev/null
+++ b/src/libs/3rdparty/winpty/misc/Utf16Echo.cc
@@ -0,0 +1,46 @@
+#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;
+}