Merge Richard Cohen's 'fix-memory-errors' into stable.

bindings/engine.i

@@ -74,7 +74,7 @@ GLIST_HELPER_INOUT(PriceList, SWIGTYPE_p_GNCPrice);
 // TODO: free PriceList?
 GLIST_HELPER_INOUT(CommodityList, SWIGTYPE_p_gnc_commodity);
 
-%typemap(newfree) gchar * "g_free($1);"
+%typemap(newfree) char * "g_free($1);"
 
 /* These need to be here so that they are *before* the function
 declarations in the header files, some of which are included by

libgnucash/app-utils/gnc-exp-parser.c

@@ -280,11 +280,10 @@ update_variables (var_store_ptr vars)
     }
 }
 
-static char* _function_evaluation_error_msg = NULL;
 static void
 _exception_handler(const char *error_message)
 {
-    _function_evaluation_error_msg = (char*)error_message;
+    PERR("function eval error: [%s]\n", error_message);
 }
 
 static
@@ -335,14 +334,9 @@ func_op(const char *fname, int argc, void **argv)
         scmArgs = scm_cons( scmTmp, scmArgs );
     }
 
-    //scmTmp = scm_apply(scmFn, scmArgs , SCM_EOL);
     scmTmp = gfec_apply(scmFn, scmArgs, _exception_handler);
-    if (_function_evaluation_error_msg != NULL)
-    {
-        PERR("function eval error: [%s]\n", _function_evaluation_error_msg);
-        _function_evaluation_error_msg = NULL;
+    if (scmTmp == SCM_UNDEFINED)
         return NULL;
-    }
 
     if (!scm_is_number (scmTmp))
     {