[idd] implemented core shared memory functionallity and LGMP setup

idd/LGIdd/Debug.cpp

@@ -0,0 +1,32 @@
+#include <Windows.h>
+#include <malloc.h>
+#include <strsafe.h>
+
+/* credit: https://stackoverflow.com/questions/29049686/is-there-a-better-way-to-pass-formatted-output-to-outputdebugstring */
+VOID _DBGPRINT(PCSTR kwszFunction, INT iLineNumber, LPCSTR kszDebugFormatString, ...) \
+{
+  INT cbFormatString = 0;
+  va_list args;
+  PCHAR szDebugString = NULL;
+  size_t st_Offset = 0;
+
+  va_start(args, kszDebugFormatString);
+
+  cbFormatString = _scprintf("[%s:%d] ", kwszFunction, iLineNumber) * sizeof(CHAR);
+  cbFormatString += _vscprintf(kszDebugFormatString, args) * sizeof(CHAR) + 2;
+
+  /* Depending on the size of the format string, allocate space on the stack or the heap. */
+  szDebugString = (PCHAR)_malloca(cbFormatString);
+  if (!szDebugString)
+    return;
+
+  /* Populate the buffer with the contents of the format string. */
+  StringCbPrintfA(szDebugString, cbFormatString, "[%s:%d] ", kwszFunction, iLineNumber);
+  StringCbLengthA(szDebugString, cbFormatString, &st_Offset);
+  StringCbVPrintfA(&szDebugString[st_Offset / sizeof(CHAR)], cbFormatString - st_Offset, kszDebugFormatString, args);
+
+  OutputDebugStringA(szDebugString);
+
+  _freea(szDebugString);
+  va_end(args);
+}