made wxFFile a bit more safe: don't crash when Tell() and Length() are called on closed file (patch 811425)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25566 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2004-02-07 15:44:40 +00:00
parent 8cf8a85ea8
commit de2ce07c7a
2 changed files with 8 additions and 1 deletions
--- a/include/wx/ffile.h
+++ b/include/wx/ffile.h
@@ -86,7 +86,8 @@ public:
    // get current file length
  size_t Length() const;

-  // simple accessors
+  // simple accessors: note that Eof() and Error() may only be called if
+  // IsOpened()!
    // is file opened?
  bool IsOpened() const { return m_fp != NULL; }
    // is end of file reached?