don't overwrite the existing local file if we failed to open it but it does exist

[wxWidgets.git] / src / msw / crashrpt.cpp

diff --git a/src/msw/crashrpt.cpp b/src/msw/crashrpt.cpp
index 7662ab077999224d901b068853e7f12a1da67789..d1a372467de968562020a83fdcd85de816ab85a0 100644 (file)
--- a/src/msw/crashrpt.cpp
+++ b/src/msw/crashrpt.cpp
@@ -130,7 +130,9 @@ void wxCrashReportImpl::Output(const wxChar *format, ...)
     DWORD cbWritten;
 
     wxString s = wxString::FormatV(format, argptr);
-    ::WriteFile(m_hFile, s, s.length() * sizeof(wxChar), &cbWritten, 0);
+
+    wxCharBuffer buf(s.mb_str(wxConvUTF8));
+    ::WriteFile(m_hFile, buf.data(), strlen(buf.data()), &cbWritten, 0);
 
     va_end(argptr);
 }
@@ -195,7 +197,14 @@ bool wxCrashReportImpl::Generate(int flags, EXCEPTION_POINTERS *ep)
         }
         else // minimal dump
         {
-            dumpFlags = MiniDumpNormal;
+            // the file size is not much bigger than when using MiniDumpNormal
+            // if we use the flags below, but the minidump is much more useful
+            // as it contains the values of many (but not all) local variables
+            dumpFlags = (MINIDUMP_TYPE)(MiniDumpScanMemory
+#if _MSC_VER > 1300
+                                        |MiniDumpWithIndirectlyReferencedMemory
+#endif
+                                        );
         }
 
         if ( !wxDbgHelpDLL::MiniDumpWriteDump
@@ -222,6 +231,7 @@ bool wxCrashReportImpl::Generate(int flags, EXCEPTION_POINTERS *ep)
     }
 #else // !wxUSE_DBGHELP
     wxUnusedVar(flags);
+    wxUnusedVar(ep);
 
     Output(_T("Support for crash report generation was not included ")
            _T("in this wxWidgets version."));