Initializes repo.

1 files changed, 36 insertions, 0 deletions

diff --git a/Kod/display/ClientServerApp/Common/ReadABuffer.cpp b/Kod/display/ClientServerApp/Common/ReadABuffer.cpp
new file mode 100644
index 0000000..97bd9b5
--- /dev/null
+++ b/Kod/display/ClientServerApp/Common/ReadABuffer.cpp
@@ -0,0 +1,36 @@
+#include "ReadABuffer.h"
+
+BOOL ReadABuffer(unsigned char * lpBuf, DWORD dwToWrite, HANDLE hComm)
+{
+	OVERLAPPED osWrite = {0};
+	DWORD dwWritten;
+	BOOL fRes;
+
+	// Create this writes OVERLAPPED structure hEvent.
+	osWrite.hEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
+	if (osWrite.hEvent == NULL)
+		// Error creating overlapped event handle.
+		return FALSE;
+
+	// Issue write.
+	if (!ReadFile(hComm, lpBuf, dwToWrite, &dwWritten, &osWrite)) {
+		if (GetLastError() != ERROR_IO_PENDING) { 
+			// WriteFile failed, but it isn't delayed. Report error and abort.
+			fRes = FALSE;
+		}
+		else {
+			// Write is pending.
+			if (!GetOverlappedResult(hComm, &osWrite, &dwWritten, TRUE))
+				fRes = FALSE;
+			else
+				// Write operation completed successfully.
+				fRes = TRUE;
+		}
+	}
+	else
+		// WriteFile completed immediately.
+		fRes = TRUE;
+
+	CloseHandle(osWrite.hEvent);
+	return fRes;
+}
\ No newline at end of file