[PATCH 2/6] localspl: Fix MONITOR2.cbSize calculation when converting from MONITOREX.

[Dmitry Timoshkov]

Signed-off-by: Dmitry Timoshkov 
---
 dlls/localspl/localmon.c | 2 +-
 dlls/localspl/provider.c | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/localspl/localmon.c b/dlls/localspl/localmon.c
index 6937e050cd..e634a33253 100644
--- a/dlls/localspl/localmon.c
+++ b/dlls/localspl/localmon.c
@@ -777,7 +777,7 @@ LPMONITOREX WINAPI InitializePrintMonitor(LPWSTR regroot)
 {
     static MONITOREX mymonitorex =
     {
-        sizeof(MONITOREX) - sizeof(DWORD),
+        sizeof(MONITOR),
         {
             localmon_EnumPortsW,
             localmon_OpenPortW,
diff --git a/dlls/localspl/provider.c b/dlls/localspl/provider.c
index 4627284f12..7a12751f17 100644
--- a/dlls/localspl/provider.c
+++ b/dlls/localspl/provider.c
@@ -504,7 +504,9 @@ static monitor_t * monitor_load(LPCWSTR name, LPWSTR dllname)
             if (pmonitorEx)
             {
                 /* Layout of MONITOREX and MONITOR2 mostly matches */
-                memcpy(&pm->monitor, pmonitorEx, min(pmonitorEx->dwMonitorSize + sizeof(DWORD), sizeof(pm->monitor)));
+                memcpy(&pm->monitor, pmonitorEx, min(pmonitorEx->dwMonitorSize + sizeof(void *), sizeof(pm->monitor)));
+                /* MONITOREX.dwMonitorSize doesn't include the size field, while MONITOR2.cbSize does */
+                pm->monitor.cbSize += sizeof(void *);
                 pm->old_XcvOpenPort = pmonitorEx->Monitor.pfnXcvOpenPort;
                 pm->monitor.pfnXcvOpenPort = NULL;
             }