From b68c5dee072c3c4b91d8620e84671d96408a5112 Mon Sep 17 00:00:00 2001
From: orbitcowboy <orbitcowboy@web.de>
Date: Sat, 10 Jul 2021 09:27:22 +0200
Subject: [PATCH] windows.cfg: Added support for _mbscpy().

---
 cfg/windows.cfg      | 14 ++++++++++++++
 test/cfg/windows.cpp |  8 +++++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/cfg/windows.cfg b/cfg/windows.cfg
index 61eb76e36..cb7b7a404 100644
--- a/cfg/windows.cfg
+++ b/cfg/windows.cfg
@@ -2548,6 +2548,20 @@ HFONT CreateFont(
       <not-null/>
       <not-uninit/>
     </arg>
+  </function>
+    <!-- unsigned char *_mbscpy(unsigned char *strDestination, const unsigned char *strSource); -->
+  <function name="_mbscpy">
+    <returnValue type="unsigned char *"/>
+    <noreturn>false</noreturn>
+    <leak-ignore/>
+    <not-overlapping-data ptr1-arg="1" ptr2-arg="2" strlen-arg="2"/>
+    <arg nr="1" direction="out">
+      <not-null/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-null/>
+      <not-uninit/>
+    </arg>
   </function>
   <!-- errno_t wcscpy_s(wchar_t *strDestination, size_t numberOfElements, const wchar_t *strSource);
        errno_t _mbscpy_s(unsigned char *strDestination, size_t numberOfElements, const unsigned char *strSource); -->
diff --git a/test/cfg/windows.cpp b/test/cfg/windows.cpp
index 33a3c8bb1..9b78c8286 100644
--- a/test/cfg/windows.cpp
+++ b/test/cfg/windows.cpp
@@ -12,6 +12,13 @@
 #include <stdlib.h>
 #include <time.h>
 
+unsigned char * overlappingWriteFunction__mbscpy(unsigned char *src, unsigned char *dest)
+{
+    // No warning shall be shown:
+    (void)_mbscpy(dest, src);
+    // cppcheck-suppress overlappingWriteFunction
+    return _mbscpy(src, src);
+}
 
 SYSTEM_INFO uninitvar_GetSystemInfo(char * envstr)
 {
@@ -21,7 +28,6 @@ SYSTEM_INFO uninitvar_GetSystemInfo(char * envstr)
     return SystemInfo;
 }
 
-
 void uninitvar__putenv(char * envstr)
 {
     // No warning is expected