From 724043be0b9ed68382c49c54b4750ddeaebe81c4 Mon Sep 17 00:00:00 2001
From: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date: Sun, 5 Jul 2015 18:15:41 +0200
Subject: Windows: Display source location of errors in order to help diagnose
 issues reported by users

---
 src/ExpandVolume/DlgExpandVolume.cpp | 6 +++---
 src/ExpandVolume/ExpandVolume.c      | 6 +++++-
 src/ExpandVolume/InitDataArea.c      | 8 ++++++--
 src/ExpandVolume/WinMain.cpp         | 4 ++--
 4 files changed, 16 insertions(+), 8 deletions(-)

(limited to 'src/ExpandVolume')

diff --git a/src/ExpandVolume/DlgExpandVolume.cpp b/src/ExpandVolume/DlgExpandVolume.cpp
index 554f4f6f..15888f50 100644
--- a/src/ExpandVolume/DlgExpandVolume.cpp
+++ b/src/ExpandVolume/DlgExpandVolume.cpp
@@ -385,7 +385,7 @@ BOOL CALLBACK ExpandVolProgressDlgProc (HWND hwndDlg, UINT msg, WPARAM wParam, L
 				pProgressDlgParam->hwndDlg = hwndDlg;
 				if ( _beginthread (volTransformThreadFunction, 0, pProgressDlgParam) == -1L )
 				{
-					handleError (hwndDlg, ERR_OS_ERROR);
+					handleError (hwndDlg, ERR_OS_ERROR, SRC_POS);
 					EndDialog (hwndDlg, lw);
 				}
 				WaitCursor();
@@ -572,7 +572,7 @@ void ExpandVolumeWizard (HWND hwndDlg, char *lpszVolume)
 
 		NormalCursor();
 
-		handleError (hwndDlg, nStatus);
+		handleError (hwndDlg, nStatus, SRC_POS);
 	}
 
 	WaitCursor();
@@ -722,7 +722,7 @@ ret:
 error:
 
 	if (nStatus != 0)
-		handleError (hwndDlg, nStatus);
+		handleError (hwndDlg, nStatus, SRC_POS);
 
 	burn (&VolumePassword, sizeof (VolumePassword));
 
diff --git a/src/ExpandVolume/ExpandVolume.c b/src/ExpandVolume/ExpandVolume.c
index 5b9509be..9233340c 100644
--- a/src/ExpandVolume/ExpandVolume.c
+++ b/src/ExpandVolume/ExpandVolume.c
@@ -56,6 +56,10 @@ Original legal notice of the TrueCrypt source files:
 #include "ExpandVolume.h"
 #include "Resource.h"
 
+#ifndef SRC_POS
+#define SRC_POS (__FUNCTION__ ":" TC_TO_STRING(__LINE__))
+#endif
+
 #define DEBUG_EXPAND_VOLUME
 
 #ifdef DEBUG_EXPAND_VOLUME
@@ -987,7 +991,7 @@ void __cdecl volTransformThreadFunction (void *pExpandDlgParam)
 		pParam->VolumePkcs5, pParam->VolumePin, pParam->newSize, pParam->bInitFreeSpace );
 
 	if (nStatus!=ERR_SUCCESS && nStatus!=ERR_USER_ABORT)
-			handleError (hwndDlg, nStatus);
+			handleError (hwndDlg, nStatus, SRC_POS);
 
 	bVolTransformThreadCancel = FALSE;
 
diff --git a/src/ExpandVolume/InitDataArea.c b/src/ExpandVolume/InitDataArea.c
index a3793e86..c1eb6bd2 100644
--- a/src/ExpandVolume/InitDataArea.c
+++ b/src/ExpandVolume/InitDataArea.c
@@ -59,6 +59,10 @@ Original legal notice of the TrueCrypt source:
 
 #include "InitDataArea.h"
 
+#ifndef SRC_POS
+#define SRC_POS (__FUNCTION__ ":" TC_TO_STRING(__LINE__))
+#endif
+
 int FormatWriteBufferSize = 1024 * 1024;
 static uint32 FormatSectorSize = 0;
 
@@ -226,7 +230,7 @@ static void __cdecl FormatWriteThreadProc (void *arg)
 	{
 		if (WaitForSingleObject (WriteBufferFullEvent, INFINITE) == WAIT_FAILED)
 		{
-			handleWin32Error (NULL);
+			handleWin32Error (NULL, SRC_POS);
 			break;
 		}
 
@@ -240,7 +244,7 @@ static void __cdecl FormatWriteThreadProc (void *arg)
 
 		if (!SetEvent (WriteBufferEmptyEvent))
 		{
-			handleWin32Error (NULL);
+			handleWin32Error (NULL, SRC_POS);
 			break;
 		}
 	}
diff --git a/src/ExpandVolume/WinMain.cpp b/src/ExpandVolume/WinMain.cpp
index 81d782c1..020a6b22 100644
--- a/src/ExpandVolume/WinMain.cpp
+++ b/src/ExpandVolume/WinMain.cpp
@@ -983,9 +983,9 @@ int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, char *lpszComm
 	if (status != 0)
 	{
 		if (status == ERR_OS_ERROR)
-			handleWin32Error (NULL);
+			handleWin32Error (NULL, SRC_POS);
 		else
-			handleError (NULL, status);
+			handleError (NULL, status, SRC_POS);
 
 		AbortProcess ("NODRIVER");
 	}
-- 
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