check return of osl_setFilePos

vcl/unx/generic/gdi/salprnpsp.cxx

@@ -1328,9 +1328,8 @@ sal_Bool PspSalPrinter::StartJob( const String* i_pFileName, const String& i_rJo
             {
                 oslFileHandle pFile = NULL;
                 osl_openFile( aPDFFiles[i].maTmpURL.pData, &pFile, osl_File_OpenFlag_Read );
-                if( pFile )
+                if (pFile && (osl_setFilePos(pFile, osl_Pos_Absolut, 0) == osl_File_E_None))
                 {
-                    osl_setFilePos( pFile, osl_Pos_Absolut, 0 );
                     std::vector< char > buffer( 0x10000, 0 );
                     // update job data with current page size
                     Size aPageSize( aPDFFiles[i].maParameters.maPageSize );

vcl/unx/generic/printergfx/printerjob.cxx

@@ -77,13 +77,14 @@ AppendPS (FILE* pDst, osl::File* pSrc, sal_uChar* pBuffer,
     if ((pDst == NULL) || (pSrc == NULL))
         return sal_False;
 
+    if (pSrc->setPos(osl_Pos_Absolut, 0) != osl::FileBase::E_None)
+        return sal_False;
+
     if (nBlockSize == 0)
         nBlockSize = nBLOCKSIZE;
     if (pBuffer == NULL)
         pBuffer = (sal_uChar*)alloca (nBlockSize);
 
-    pSrc->setPos (osl_Pos_Absolut, 0);
-
     sal_uInt64 nIn = 0;
     sal_uInt64 nOut = 0;
     do

vcl/unx/generic/printergfx/text_gfx.cxx

@@ -819,10 +819,14 @@ PrinterGfx::writeResources( osl::File* pFile, std::list< rtl::OString >& rSuppli
             convertPfbToPfa (aFontFile, *pFile);
             aFontFile.close ();
 
-            pFile->setPos(osl_Pos_Current, -1);
             char lastchar = '\n';
-            sal_uInt64 uBytes(1);
-            pFile->read((void *)(&lastchar), uBytes, uBytes);
+
+            if (pFile->setPos(osl_Pos_Current, -1) == osl::FileBase::E_None)
+            {
+                sal_uInt64 uBytes(1);
+                pFile->read((void *)(&lastchar), uBytes, uBytes);
+            }
+
             if (lastchar != '\n')
                 WritePS (pFile, "\n");
         }