Clean up lok::Office::freeError()

- let it take a non-const pointer, just like free() or g_free() does
- remove lok::Document::freeError(), which was declared, but not
  implemented
- move the declaration at the end of the stable API, but before the
  unstable section

Change-Id: I5a8ced61fc87641dc2fa0ea3615a350361fae3a1

3 files changed, 10 insertions, 12 deletions

diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index ff156399926f..fc957bf2effb 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -300,7 +300,7 @@ static int                     lo_initialize    (LibreOfficeKit* pThis, const ch
 static LibreOfficeKitDocument* lo_documentLoad  (LibreOfficeKit* pThis, const char* pURL);
 static bool                    lo_runMacro      (LibreOfficeKit* pThis, const char* pURL);
 static char *                  lo_getError      (LibreOfficeKit* pThis);
-static void                    lo_freeError     (const char *pfree);
+static void                    lo_freeError     (char* pFree);
 static LibreOfficeKitDocument* lo_documentLoadWithOptions  (LibreOfficeKit* pThis,
                                                            const char* pURL,
                                                            const char* pOptions);
@@ -974,7 +974,7 @@ static char* lo_getError (LibreOfficeKit *pThis)
     return pMemory;
 }
 
-static void lo_freeError(const char *pfree)
+static void lo_freeError(char *pfree)
 {
     free((void *) pfree);
 }
diff --git a/include/LibreOfficeKit/LibreOfficeKit.h b/include/LibreOfficeKit/LibreOfficeKit.h
index ad453ef37ab3..c8611f7a6bbd 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.h
+++ b/include/LibreOfficeKit/LibreOfficeKit.h
@@ -50,14 +50,15 @@ struct _LibreOfficeKitClass
     LibreOfficeKitDocument* (*documentLoadWithOptions) (LibreOfficeKit* pThis,
                                                         const char* pURL,
                                                         const char* pOptions);
-#ifdef LOK_USE_UNSTABLE_API
+    void (*freeError) (char* pFree);
+
+#if defined LOK_USE_UNSTABLE_API
     void (*registerCallback) (LibreOfficeKit* pThis,
                               LibreOfficeKitCallback pCallback,
                               void* pData);
 
     bool (*runMacro) (LibreOfficeKit *pThis, const char* pURL);
 #endif
-    void  (*freeError)     (const char *pfree);
 
 };
 
@@ -78,7 +79,6 @@ struct _LibreOfficeKitDocumentClass
                    const char* pUrl,
                    const char* pFormat,
                    const char* pFilterOptions);
-    void  (*freeError)     (const char *pfree);
 
 #ifdef LOK_USE_UNSTABLE_API
     /// @see lok::Document::getDocumentType().
diff --git a/include/LibreOfficeKit/LibreOfficeKit.hxx b/include/LibreOfficeKit/LibreOfficeKit.hxx
index 060158d08800..9621e5090c67 100644
--- a/include/LibreOfficeKit/LibreOfficeKit.hxx
+++ b/include/LibreOfficeKit/LibreOfficeKit.hxx
@@ -247,10 +247,6 @@ public:
         mpDoc->pClass->resetSelection(mpDoc);
     }
 #endif // LOK_USE_UNSTABLE_API
-    inline void freeError(const char *pfree)
-    {
-        mpDoc->pClass->freeError(pfree);
-    }
 };
 
 /// The lok::Office class represents one started LibreOfficeKit instance.
@@ -296,12 +292,14 @@ public:
     {
         return mpThis->pClass->getError(mpThis);
     }
-    inline void freeError(const char *pfree)
+
+    /// Frees the memory pointed to by pFree.
+    inline void freeError(char* pFree)
     {
-        mpThis->pClass->freeError(pfree);
+        mpThis->pClass->freeError(pFree);
     }
 
-#ifdef LOK_USE_UNSTABLE_API
+#if defined LOK_USE_UNSTABLE_API
     /**
      * Run a macro.
      *