(struct ftp_conn):

  Add SYSHOOKS_VALID field.
(ftp_conn_validate_syshooks):
  New inline function.

1 files changed, 13 insertions, 0 deletions

diff --git a/libftpconn/ftpconn.h b/libftpconn/ftpconn.h
index 5af41ee3..445f5b38 100644
--- a/libftpconn/ftpconn.h
+++ b/libftpconn/ftpconn.h
@@ -157,6 +157,7 @@ struct ftp_conn
   const struct ftp_conn_hooks *hooks; /* Customization hooks. */
 
   struct ftp_conn_syshooks syshooks; /* host-dependent hook functions */
+  int syshooks_valid;		/* True if the system type has been determined. */
 
   int control;			/* fd for ftp control connection */
 
@@ -229,6 +230,18 @@ error_t ftp_conn_open (struct ftp_conn *conn);
 
 void ftp_conn_close (struct ftp_conn *conn);
 
+/* Makes sure that CONN's syshooks are set according to the remote system
+   type.  */
+static inline error_t
+ftp_conn_validate_syshooks (struct ftp_conn *conn)
+{
+  if (conn->syshooks_valid)
+    return 0;
+  else
+    /* Opening the connection should set the syshooks.  */
+    return ftp_conn_open (conn);
+}
+
 /* Create a new ftp connection as specified by PARAMS, and return it in CONN;
    HOOKS contains customization hooks used by the connection.  Neither PARAMS
    nor HOOKS is copied, so a copy of it should be made if necessary before