Windows: Display source location of errors in order to help diagnose issues reported by users

src/Common/Format.c

@@ -31,6 +31,10 @@
 
 #include <Strsafe.h>
 
+#ifndef SRC_POS
+#define SRC_POS (__FUNCTION__ ":" TC_TO_STRING(__LINE__))
+#endif
+
 int FormatWriteBufferSize = 1024 * 1024;
 static uint32 FormatSectorSize = 0;
 
@@ -286,7 +290,7 @@ begin_format:
 				}
 				else
 				{
-					handleWin32Error (volParams->hwndDlg);
+					handleWin32Error (volParams->hwndDlg, SRC_POS);
 					Error ("CANT_ACCESS_VOL", hwndDlg);
 					nStatus = ERR_DONT_REPORT; 
 					goto error;
@@ -893,7 +897,7 @@ static void __cdecl FormatWriteThreadProc (void *arg)
 	{
 		if (WaitForSingleObject (WriteBufferFullEvent, INFINITE) == WAIT_FAILED)
 		{
-			handleWin32Error (NULL);
+			handleWin32Error (NULL, SRC_POS);
 			break;
 		}
 
@@ -907,7 +911,7 @@ static void __cdecl FormatWriteThreadProc (void *arg)
 
 		if (!SetEvent (WriteBufferEmptyEvent))
 		{
-			handleWin32Error (NULL);
+			handleWin32Error (NULL, SRC_POS);
 			break;
 		}
 	}