cast loses precision

Change-Id: Ic688f08cada4ae70ea1dfb1e29e249a166456452

include/LibreOfficeKit/LibreOfficeKit.h

@@ -20,14 +20,14 @@ typedef struct _LibreOfficeKitDocument LibreOfficeKitDocument;
 
 // Do we have an extended member in this struct ?
 #define LIBREOFFICEKIT_HAS_MEMBER(strct,member,nSize) \
-    ((((int)((unsigned char *)&((strct *) 0)->member) +  \
-      (int)sizeof ((strct *) 0)->member)) <= (nSize))
+    ((((size_t)((unsigned char *)&((strct *) 0)->member) +  \
+      sizeof ((strct *) 0)->member)) <= (nSize))
 
 #define LIBREOFFICEKIT_HAS(pKit,member) LIBREOFFICEKIT_HAS_MEMBER(LibreOfficeKit,member,(pKit)->nSize)
 
 struct _LibreOfficeKit
 {
-  int  nSize;
+  size_t  nSize;
 
   void                    (*destroy)       (LibreOfficeKit *pThis);
   int                     (*initialize)    (LibreOfficeKit *pThis, const char *pInstallPath);
@@ -39,7 +39,7 @@ struct _LibreOfficeKit
 
 struct _LibreOfficeKitDocument
 {
-  int  nSize;
+  size_t  nSize;
 
   void (*destroy)   (LibreOfficeKitDocument* pThis);
   int (*saveAs)     (LibreOfficeKitDocument* pThis,

smoketest/libtest.cxx

@@ -13,6 +13,7 @@
 #include <assert.h>
 #include <math.h>
 #include <sys/time.h>
+#include <sal/types.h>
 #include <LibreOfficeKit/LibreOfficeKit.hxx>
 
 using namespace ::lok;
@@ -77,9 +78,9 @@ int main (int argc, char **argv)
 
     if (!LIBREOFFICEKIT_DOCUMENT_HAS(pDocument->get(), saveAsWithOptions))
     {
-        fprintf( stderr, "using obsolete LibreOffice %d + %d vs. %d\n",
-                 (int)((unsigned char *)&((LibreOfficeKitDocument *) 0)->saveAsWithOptions),
-                 (int)sizeof ((LibreOfficeKitDocument *) 0)->saveAsWithOptions,
+        fprintf( stderr, "using obsolete LibreOffice %" SAL_PRI_SIZET "d + %" SAL_PRI_SIZET "d vs. %" SAL_PRI_SIZET "d\n",
+                 (size_t)((unsigned char *)&((LibreOfficeKitDocument *) 0)->saveAsWithOptions),
+                 sizeof ((LibreOfficeKitDocument *) 0)->saveAsWithOptions,
                  pDocument->get()->nSize );
         return -1;
     }