X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0cbb929795f8f37acd1eef923a3d8f48f978d963..a93e536be025cae6ebdae27c940a72ff59c0a006:/src/common/log.cpp

diff --git a/src/common/log.cpp b/src/common/log.cpp
index d20aa9b6dd..be03d3c4c8 100644
--- a/src/common/log.cpp
+++ b/src/common/log.cpp
@@ -732,7 +732,10 @@ const wxChar *wxSysErrorMsg(unsigned long nErrCode)
             0, NULL);
 
     // copy it to our buffer and free memory
-    wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+    if( lpMsgBuf != 0 )
+        wxStrncpy(s_szBuf, (const wxChar *)lpMsgBuf, WXSIZEOF(s_szBuf) - 1);
+    else
+        s_szBuf[0] = wxT('\0');
     s_szBuf[WXSIZEOF(s_szBuf) - 1] = wxT('\0');
     LocalFree(lpMsgBuf);