Init commit

Logger.cpp

@@ -0,0 +1,55 @@
+#include "Common.h"
+#include "Logger.h"
+
+#if ARDRV_LOG_ENABLED
+
+#define ARDRV_LOG_FILE L"C:\\Users\\Public\\ardrv_loader.log"
+
+void LogImpl(const wchar_t* fmt, ...)
+{
+    wchar_t buf[8192];
+    buf[0] = L'\0';
+
+    va_list args;
+
+    va_start(args, fmt);
+    int n = _vscwprintf(fmt, args);
+    va_end(args);
+
+    if (n < 0)
+        n = 0;
+
+    if (n > (int)_countof(buf) - 3)
+        n = (int)_countof(buf) - 3;
+
+    va_start(args, fmt);
+    _vsnwprintf_s(buf, (size_t)(_countof(buf) - 1), (size_t)n, fmt, args);
+    va_end(args);
+
+    buf[n] = L'\r';
+    buf[n + 1] = L'\n';
+    buf[n + 2] = L'\0';
+
+    HANDLE hFile = CreateFileW(
+        ARDRV_LOG_FILE,
+        GENERIC_WRITE,
+        FILE_SHARE_READ | FILE_SHARE_WRITE,
+        nullptr,
+        OPEN_ALWAYS,
+        0,
+        nullptr);
+
+    if (hFile != INVALID_HANDLE_VALUE)
+    {
+        LARGE_INTEGER zero{};
+        SetFilePointerEx(hFile, zero, nullptr, FILE_END);
+
+        DWORD written = 0;
+        WriteFile(hFile, buf, (DWORD)((n + 2) * sizeof(WCHAR)), &written, nullptr);
+        CloseHandle(hFile);
+    }
+
+    OutputDebugStringW(buf);
+}
+
+#endif