some != NULL checks

[wxWidgets.git] / src / common / fileconf.cpp

diff --git a/src/common/fileconf.cpp b/src/common/fileconf.cpp
index 54bc21641a83d76157a032d94ba8e223c1e00699..d9ab373bdb55eeba77926270031820671039b20d 100644 (file)
--- a/src/common/fileconf.cpp
+++ b/src/common/fileconf.cpp
@@ -49,9 +49,6 @@
 #if defined(__WXPM__)
   #define INCL_DOS
   #include <os2.h>
-  #define LINKAGEMODE _Optlink
-#else
-  #define LINKAGEMODE
 #endif
 
 #include  <stdlib.h>
@@ -472,11 +469,15 @@ void wxFileConfig::Parse(wxTextFile& file, bool bLocal)
     }
     else {                        // a key
       const wxChar *pEnd = pStart;
-      while ( *pEnd != wxT('=') && !wxIsspace(*pEnd) ) {
+      while ( *pEnd && *pEnd != wxT('=') && !wxIsspace(*pEnd) ) {
         if ( *pEnd == wxT('\\') ) {
           // next character may be space or not - still take it because it's
-          // quoted
+          // quoted (unless there is nothing)
           pEnd++;
+          if ( !*pEnd ) {
+            // the error message will be given below anyhow
+            break;
+          }
         }
 
         pEnd++;
@@ -595,7 +596,7 @@ bool wxFileConfig::GetFirstGroup(wxString& str, long& lIndex) const
 bool wxFileConfig::GetNextGroup (wxString& str, long& lIndex) const
 {
   if ( size_t(lIndex) < m_pCurrentGroup->Groups().Count() ) {
-    str = m_pCurrentGroup->Groups()[lIndex++]->Name();
+    str = m_pCurrentGroup->Groups()[(size_t)lIndex++]->Name();
     return TRUE;
   }
   else
@@ -611,7 +612,7 @@ bool wxFileConfig::GetFirstEntry(wxString& str, long& lIndex) const
 bool wxFileConfig::GetNextEntry (wxString& str, long& lIndex) const
 {
   if ( size_t(lIndex) < m_pCurrentGroup->Entries().Count() ) {
-    str = m_pCurrentGroup->Entries()[lIndex++]->Name();
+    str = m_pCurrentGroup->Entries()[(size_t)lIndex++]->Name();
     return TRUE;
   }
   else
@@ -764,7 +765,7 @@ bool wxFileConfig::Write(const wxString& key, long lValue)
 
 bool wxFileConfig::Flush(bool /* bCurrentOnly */)
 {
-  if ( LineListIsEmpty() || !m_pRootGroup->IsDirty() )
+  if ( LineListIsEmpty() || !m_pRootGroup->IsDirty() || !m_strLocalFile )
     return TRUE;
 
   wxTempFile file(m_strLocalFile);