X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/254a21292b0ccf234ed1dbc6acd37708672ffcc0..8dfef0c246fb5c741334ecc085aea56324bc0bf8:/src/common/filefn.cpp

diff --git a/src/common/filefn.cpp b/src/common/filefn.cpp
index eab5a6c4b0..0a2241edd8 100644
--- a/src/common/filefn.cpp
+++ b/src/common/filefn.cpp
@@ -104,7 +104,7 @@ static wxChar wxFileFunctionsBuffer[4*_MAXPATHLEN];
 // VisualAge C++ V4.0 cannot have any external linkage const decs
 // in headers included by more than one primary source
 //
-const off_t wxInvalidOffset = (off_t)-1;
+const int wxInvalidOffset = -1;
 #endif
 
 // ----------------------------------------------------------------------------
@@ -298,7 +298,11 @@ wxFileExists (const wxString& filename)
     return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
 #else // !__WIN32__
     wxStructStat st;
-    return wxStat(filename, &st) == 0 && (st.st_mode & S_IFREG);
+#ifndef wxNEED_WX_UNISTD_H
+    return wxStat( filename.fn_str() , &st) == 0 && (st.st_mode & S_IFREG);
+#else
+    return wxStat( filename , &st) == 0 && (st.st_mode & S_IFREG);
+#endif
 #endif // __WIN32__/!__WIN32__
 }
 
@@ -357,17 +361,16 @@ void wxStripExtension(wxChar *buffer)
 
 void wxStripExtension(wxString& buffer)
 {
-  size_t len = buffer.Length();
-  size_t i = len-1;
-  while (i > 0)
-  {
-    if (buffer.GetChar(i) == wxT('.'))
+    //RN:  Be careful about the handling the case where 
+    //buffer.Length() == 0
+    for(size_t i = buffer.Length() - 1; i != wxString::npos; --i)
     {
-      buffer = buffer.Left(i);
-      break;
+        if (buffer.GetChar(i) == wxT('.'))
+        {
+          buffer = buffer.Left(i);
+          break;
+        }
     }
-    i --;
-  }
 }
 
 // Destructive removal of /./ and /../ stuff