diff --git a/modules/rosapps/applications/devutils/createspec/CMakeLists.txt b/modules/rosapps/applications/devutils/createspec/CMakeLists.txt
index a517326f4fc..670c1d749b2 100644
--- a/modules/rosapps/applications/devutils/createspec/CMakeLists.txt
+++ b/modules/rosapps/applications/devutils/createspec/CMakeLists.txt
@@ -1,4 +1,8 @@
 
+if(GCC AND GCC_VERSION VERSION_GREATER 7)
+    add_compile_flags("-Wno-stringop-overflow")
+endif()
+
 add_executable(createspec createspec.c)
 set_module_type(createspec win32cui)
 target_link_libraries(createspec wine)
diff --git a/modules/rosapps/applications/devutils/vgafontedit/fontboxeswnd.c b/modules/rosapps/applications/devutils/vgafontedit/fontboxeswnd.c
index ec5f57fd62c..60bc7bdf187 100644
--- a/modules/rosapps/applications/devutils/vgafontedit/fontboxeswnd.c
+++ b/modules/rosapps/applications/devutils/vgafontedit/fontboxeswnd.c
@@ -30,13 +30,6 @@ GetCharacterRect(IN UINT uFontRow, IN UINT uFontColumn, OUT LPRECT CharacterRect
     CharacterRect->bottom = CharacterRect->top + CHARACTER_BOX_HEIGHT;
 }
 
-__inline VOID
-GetCharacterPosition(IN UINT uCharacter, OUT PUINT uFontRow, OUT PUINT uFontColumn)
-{
-    *uFontRow = uCharacter / 16;
-    *uFontColumn = uCharacter % 16;
-}
-
 static INT
 FontBoxesHitTest(IN UINT xPos, IN UINT yPos, OUT LPRECT CharacterRect)
 {
diff --git a/modules/rosapps/applications/devutils/vgafontedit/precomp.h b/modules/rosapps/applications/devutils/vgafontedit/precomp.h
index 94ac9ddfbfa..2e4ac775418 100644
--- a/modules/rosapps/applications/devutils/vgafontedit/precomp.h
+++ b/modules/rosapps/applications/devutils/vgafontedit/precomp.h
@@ -136,9 +136,14 @@ VOID CreateFontBoxesWindow(PFONT_WND_INFO FontWndInfo);
 BOOL InitFontBoxesWndClass(VOID);
 VOID UnInitFontBoxesWndClass(VOID);
 VOID GetCharacterRect(IN UINT uFontRow, IN UINT uFontColumn, OUT LPRECT CharacterRect);
-__inline VOID GetCharacterPosition(IN UINT uCharacter, OUT PUINT uFontRow, OUT PUINT uFontColumn);
 VOID EditCurrentGlyph(PFONT_WND_INFO FontWndInfo);
 
+inline VOID GetCharacterPosition(IN UINT uCharacter, OUT PUINT uFontRow, OUT PUINT uFontColumn)
+{
+    *uFontRow = uCharacter / 16;
+    *uFontColumn = uCharacter % 16;
+}
+
 // fontwnd.c
 BOOL CreateFontWindow(PMAIN_WND_INFO MainWndInfo, PFONT_OPEN_INFO OpenInfo);
 BOOL InitFontWndClass(VOID);
diff --git a/modules/rosapps/applications/explorer-old/utility/dragdropimpl.h b/modules/rosapps/applications/explorer-old/utility/dragdropimpl.h
index 6a59c67a078..6ba857f225f 100644
--- a/modules/rosapps/applications/explorer-old/utility/dragdropimpl.h
+++ b/modules/rosapps/applications/explorer-old/utility/dragdropimpl.h
@@ -246,15 +246,15 @@ public:
 		if (pDragSourceHelper == NULL)
 			return E_FAIL;
 
-			SHDRAGIMAGE di;
-			BITMAP		bm;
-			GetObject(hBitmap, sizeof(bm), &bm);
-			di.sizeDragImage.cx = bm.bmWidth;
-			di.sizeDragImage.cy = bm.bmHeight;
-			di.hbmpDragImage = hBitmap;
-			di.crColorKey = crColorKey;
-			di.ptOffset.x = pt.x - rc.left;
-			di.ptOffset.y = pt.y - rc.top;
+		SHDRAGIMAGE	di;
+		BITMAP		bm;
+		GetObject(hBitmap, sizeof(bm), &bm);
+		di.sizeDragImage.cx = bm.bmWidth;
+		di.sizeDragImage.cy = bm.bmHeight;
+		di.hbmpDragImage = hBitmap;
+		di.crColorKey = crColorKey;
+		di.ptOffset.x = pt.x - rc.left;
+		di.ptOffset.y = pt.y - rc.top;
 		return pDragSourceHelper->InitializeFromBitmap(&di, pDataObject);
 	}
 
diff --git a/modules/rosapps/applications/net/ncftp/ncftp/progress.c b/modules/rosapps/applications/net/ncftp/ncftp/progress.c
index 0559f2f8d32..ef9f9ce0b0f 100644
--- a/modules/rosapps/applications/net/ncftp/ncftp/progress.c
+++ b/modules/rosapps/applications/net/ncftp/ncftp/progress.c
@@ -209,7 +209,7 @@ PrStatBar(const FTPCIPtr cip, int mode)
 	static double uTotal, uMult;
 	const char *stall;
 	char localName[80];
-	char line[128];
+	char line[134];
 	int i;
 
 	switch (mode) {
diff --git a/modules/rosapps/applications/net/roshttpd/config.cpp b/modules/rosapps/applications/net/roshttpd/config.cpp
index b689e1674b2..c64b8b76bbd 100644
--- a/modules/rosapps/applications/net/roshttpd/config.cpp
+++ b/modules/rosapps/applications/net/roshttpd/config.cpp
@@ -49,7 +49,7 @@ void CConfig::Default()
 	try {
 		lpsStr = _strdup(dcfgDefaultResource);
 		DefaultResources.Insert(lpsStr);
-	} catch (bad_alloc e) {
+	} catch (bad_alloc&) {
 		free((void *)lpsStr);
 		Clear();
 		throw;
diff --git a/modules/rosapps/applications/net/roshttpd/httpd.cpp b/modules/rosapps/applications/net/roshttpd/httpd.cpp
index d4bb9e3a6c6..4604d8ef2e5 100644
--- a/modules/rosapps/applications/net/roshttpd/httpd.cpp
+++ b/modules/rosapps/applications/net/roshttpd/httpd.cpp
@@ -461,22 +461,22 @@ VOID CHttpDaemonThread::Execute()
 		            case HTTPD_START: {
 			            if (Daemon->GetState() == hsStopped)
 				            Daemon->Start();
-					    break;
+                    break;
 					}
 					case HTTPD_STOP: {
 	                    if (Daemon->GetState() == hsRunning)
 							Daemon->Stop();
-						break;
+                    break;
 					}
 					case HTTPD_SUSPEND: {
 						if (Daemon->GetState() == hsRunning){}
 							// FIXME: Suspend service
-						break;
+                    break;
 					}
 					case HTTPD_RESUME: {
 						if (Daemon->GetState() != hsSuspended){}
 							// FIXME: Resume service
-						break;
+                    break;
 					}
 					default:
                         DispatchMessage(&Msg);
@@ -486,7 +486,7 @@ VOID CHttpDaemonThread::Execute()
 		delete Daemon;
 	} catch (ESocket e) {
 		ReportErrorStr(e.what());
-	} catch	(bad_alloc e) {
+	} catch	(bad_alloc&) {
 		ReportErrorStr(TS("Insufficient resources."));
 	}
 }
diff --git a/modules/rosapps/applications/net/roshttpd/roshttpd.cpp b/modules/rosapps/applications/net/roshttpd/roshttpd.cpp
index 89af9bf5290..c4a911448b3 100644
--- a/modules/rosapps/applications/net/roshttpd/roshttpd.cpp
+++ b/modules/rosapps/applications/net/roshttpd/roshttpd.cpp
@@ -45,7 +45,7 @@ VOID Run()
 
 		if (pConfiguration != NULL)
 		    delete pConfiguration;
-	} catch (bad_alloc e) {
+	} catch (bad_alloc&) {
 		if (pConfiguration != NULL)
 			delete pConfiguration;
 		ReportErrorStr(TS("Insufficient resources."));
diff --git a/modules/rosapps/applications/sysutils/man/man.c b/modules/rosapps/applications/sysutils/man/man.c
index 3c54eb346a5..e382972b08d 100644
--- a/modules/rosapps/applications/sysutils/man/man.c
+++ b/modules/rosapps/applications/sysutils/man/man.c
@@ -155,10 +155,10 @@ void text_outp(char *cur_string)
         while(cur_string[symbol]!=' ')
             symbol++;
 
-
     for(;cur_string[symbol]!='\n'; symbol++)
         putchar(cur_string[symbol]);
-        putchar(' ');
+
+    putchar(' ');
 }
 
 int
@@ -214,13 +214,16 @@ AnalyzeFile()
         putchar(' ');
        }
 
-     else text_outp(cur_string); // print plane text
-     th_outp(cur_string, THtag);
-/* END of TAGs processing */
-     free(cur_string);
-     free(THtag);
+     else
+     {
+       text_outp(cur_string); // print plane text
+     }
+    th_outp(cur_string, THtag);
+    /* END of TAGs processing */
 
-     return 0;
+    free(cur_string);
+    free(THtag);
+    return 0;
 }
 
 
diff --git a/modules/rosapps/applications/sysutils/regexpl/Console.cpp b/modules/rosapps/applications/sysutils/regexpl/Console.cpp
index 0f61aa0d50d..98219a349e6 100644
--- a/modules/rosapps/applications/sysutils/regexpl/Console.cpp
+++ b/modules/rosapps/applications/sysutils/regexpl/Console.cpp
@@ -716,7 +716,9 @@ Paste:
 				ASSERT(dwCompletionOffset <= dwCurrentCharOffset);
 
         // Save not changing part (context) of completion in m_pchBuffer1
-				_tcsncpy(m_pchBuffer1,m_pchBuffer,dwCompletionOffset);
+
+				// FIXME: dwCompletionOffset is always 0 here
+				// _tcsncpy(m_pchBuffer1,m_pchBuffer,dwCompletionOffset);
 				m_pchBuffer1[dwCompletionOffset] = 0;
 
         // Size of changing part
diff --git a/modules/rosapps/applications/sysutils/screenshot/screenshot.c b/modules/rosapps/applications/sysutils/screenshot/screenshot.c
index d71d7f4aebf..233010145f1 100644
--- a/modules/rosapps/applications/sysutils/screenshot/screenshot.c
+++ b/modules/rosapps/applications/sysutils/screenshot/screenshot.c
@@ -272,14 +272,18 @@ ConvertDDBtoDIB(PSCREENSHOT pScrSht)
 		cClrBits = 24;
 	else cClrBits = 32;
 
-	if (cClrBits != 24)
-        pScrSht->lpbi = (PBITMAPINFO) HeapAlloc(GetProcessHeap(),
-                                                0,
-                                                sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * (1 << cClrBits));
-    else
-        pScrSht->lpbi = (PBITMAPINFO) HeapAlloc(GetProcessHeap(),
-                                                0,
-                                                sizeof(BITMAPINFOHEADER));
+  if (cClrBits != 24)
+  {
+    pScrSht->lpbi = (PBITMAPINFO) HeapAlloc(GetProcessHeap(),
+                                            0,
+                                            sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * (1 << cClrBits));
+  }
+  else
+  {
+    pScrSht->lpbi = (PBITMAPINFO) HeapAlloc(GetProcessHeap(),
+                                            0,
+                                            sizeof(BITMAPINFOHEADER));
+  }
 
 	if (!pScrSht->lpbi)
 	{