From 69d0420e7d70fdb52e6d4ad5353d68107e030f77 Mon Sep 17 00:00:00 2001
From: Siegfried Siegert <s.siegert@atb-online.eu>
Date: Tue, 6 Feb 2024 09:36:26 +0100
Subject: [PATCH] sys_restoreDeviceParameter() check size of struct T_devices

---
 src/hwapi.cpp | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/src/hwapi.cpp b/src/hwapi.cpp
index 5884d58..2c40bef 100644
--- a/src/hwapi.cpp
+++ b/src/hwapi.cpp
@@ -3319,26 +3319,15 @@ void hwapi::sys_restoreDeviceParameter(struct T_devices *deviceSettings) const
     // attention: only applies if function "sys_sendDeviceParameter()" was used to send this settings before
     //          cannot be used to see settings programmed by JsonFile
     uint8_t buf[64];
-    uint8_t LL, nn;
+    uint8_t LL;
     tslib_strclr(buf,0,64);
-    uint8_t *start;
 
     //runProcess->epi_restore64BdevParameter(&LL, buf); // wozu die???
     epi_restoreRbDeviceSettings(&LL, buf);      // viel besser, stimmt immer
 
-    if (LL >= sizeof(T_devices)) {
-        LL = sizeof (T_devices);
-    }
-
-    // Puffer in struct eintragen:
-    start = &deviceSettings->kindOfPrinter;
-    nn=0;
-    do
-    {
-        *start = buf[nn];
-        start++;
-    } while(++nn<LL);
+    Q_STATIC_ASSERT(sizeof(*deviceSettings) <= sizeof(buf));
 
+    memcpy(deviceSettings, buf, sizeof(*deviceSettings));
 }
 
 bool hwapi::sys_areDCdataValid(void) const