diff --git a/Libs/j3dcore/j3dhook.h b/Libs/j3dcore/j3dhook.h
index cf97368..af2dc73 100644
--- a/Libs/j3dcore/j3dhook.h
+++ b/Libs/j3dcore/j3dhook.h
@@ -85,6 +85,9 @@ static inline bool J3DHookFunction(intptr_t pFuncAddr, void* pHookFunc)
 */
 static inline bool J3DHookIsSkipped(const char* pName)
 {
+#ifdef _MSC_VER
+#pragma warning(suppress : 4996) // getenv: only read
+#endif
     const char* pList = getenv("INDY_NOHOOK");
     if ( !pList )
     {
diff --git a/Libs/sith/World/sithThing.c b/Libs/sith/World/sithThing.c
index 22b901d..b88107e 100644
--- a/Libs/sith/World/sithThing.c
+++ b/Libs/sith/World/sithThing.c
@@ -340,8 +340,7 @@ static_assert(sizeof(CndThingSectionCounts) == 44, "sizeof(CndThingSectionCounts
 // Copies a resource name into a CND name field (at most 63 characters, always terminated)
 static void sithThing_CopyCndName(char* pDest, const char* pName)
 {
-    strncpy(pDest, pName, 63);
-    pDest[63] = '\0';
+    stdUtil_StringCopy(pDest, 64, pName);
 }
 
 // INDY: reimplemented from v1.2 (Stage 3); verified by the differential suite "sithThing" (Scripts/indy/test_diff.sh).
@@ -808,8 +807,7 @@ int J3DAPI sithThing_ReadThingsListBinary(tFileHandle fh, SithWorld* pWorld, siz
             sithThing_EnterSector(pThing, pSector, /*bNoWaterSplash=*/1, /*bNoNotify=*/1);
         }
 
-        strncpy(pThing->aName, pInfo->aName, STD_ARRAYLEN(pThing->aName) - 1);
-        pThing->aName[STD_ARRAYLEN(pThing->aName) - 1] = '\0';
+        STD_STRCPY(pThing->aName, pInfo->aName);
 
         pThing->flags            = pInfo->flags & ~SITH_TF_SEEN;
         pThing->type             = pInfo->type;
@@ -1013,8 +1011,7 @@ int J3DAPI sithThing_ReadThingsListBinary(tFileHandle fh, SithWorld* pWorld, siz
                 pExplInfo->spriteEnd      = pExplosion->spriteEndPos;
                 if ( pExplosion->aSpriteTemplateName[0] )
                 {
-                    strncpy(pExplInfo->aSpriteTemplateName, pExplosion->aSpriteTemplateName, STD_ARRAYLEN(pExplInfo->aSpriteTemplateName) - 1);
-                    pExplInfo->aSpriteTemplateName[STD_ARRAYLEN(pExplInfo->aSpriteTemplateName) - 1] = '\0';
+                    STD_STRCPY(pExplInfo->aSpriteTemplateName, pExplosion->aSpriteTemplateName);
                 }
                 for ( size_t j = 0; j < STD_ARRAYLEN(pExplInfo->apDebries); j++ )
                 {
diff --git a/Libs/smush/smushPlayWin32.c b/Libs/smush/smushPlayWin32.c
index 09fbc3f..67b8ece 100644
--- a/Libs/smush/smushPlayWin32.c
+++ b/Libs/smush/smushPlayWin32.c
@@ -324,7 +324,9 @@ void SmushPlatform_Wait(uint32_t usec)
 
 void* SmushPlatform_OpenFile(const char* pFilename)
 {
-    return fopen(pFilename, "rb");
+    FILE* pFile = NULL;
+    fopen_s(&pFile, pFilename, "rb");
+    return pFile;
 }
 
 size_t SmushPlatform_ReadFile(void* pFile, void* pBuffer, size_t size)