embed version info into assemblies

check app versions against lib, lib against driver

add an 'about' dialog which displays version details, accessible from menu

refactor error handling + add check for negative offset

1 files changed, 15 insertions, 0 deletions

diff --git a/driver/driver.cpp b/driver/driver.cpp
index a4de824..a99a70b 100644
--- a/driver/driver.cpp
+++ b/driver/driver.cpp
@@ -1,5 +1,6 @@
 #include <rawaccel.hpp>
 #include <rawaccel-io-def.h>
+#include <rawaccel-version.h>
 
 #include "driver.h"
 
@@ -190,6 +191,20 @@ Return Value:
             global.modifier = { global.args, global.lookups };
         }
         break;
+    case RA_GET_VERSION:
+        status = WdfRequestRetrieveOutputBuffer(
+            Request,
+            sizeof(ra::version_t),
+            &buffer,
+            NULL
+        );
+        if (!NT_SUCCESS(status)) {
+            DebugPrint(("RetrieveOutputBuffer failed: 0x%x\n", status));
+        }
+        else {
+            *reinterpret_cast<ra::version_t*>(buffer) = { RA_VER_MAJOR, RA_VER_MINOR, RA_VER_PATCH };
+        }
+        break;
     default:
         status = STATUS_INVALID_DEVICE_REQUEST;
         break;