[PATCH 2/6] localspl: Fix MONITOR2.cbSize calculation when converting from MONITOREX.
Dmitry Timoshkov
dmitry at baikal.ru
Mon Sep 9 01:57:45 CDT 2019
Signed-off-by: Dmitry Timoshkov <dmitry at baikal.ru>
---
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;
}
--
2.20.1
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