/** Obtain a printable message associated to the error code provided.
*/
-char *valerie_error_description( valerie_error_code error )
+const char *valerie_error_description( valerie_error_code error )
{
- char *msg = "Unrecognised error";
+ const char *msg = "Unrecognised error";
switch( error )
{
case valerie_ok: