X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/c3aef739857885cfc23b8aad3579032126c61e4d..c85623f918b8a6c639afc15604414f9b113bb20d:/portfwd.c

diff --git a/portfwd.c b/portfwd.c
index e1499de9..11437140 100644
--- a/portfwd.c
+++ b/portfwd.c
@@ -57,7 +57,7 @@ struct pfwd_queue {
 };
 
 struct PFwdPrivate {
-    struct plug_function_table *fn;
+    const struct plug_function_table *fn;
     /* the above variable absolutely *must* be the first in this structure */
     void *c;			       /* (channel) data used by ssh.c */
     void *backhandle;		       /* instance of SSH backend itself */
@@ -111,7 +111,7 @@ static void pfd_sent(Plug plug, int bufsize)
 char *pfd_newconnect(Socket *s, char *hostname, int port, void *c,
 		     const Config *cfg)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,
 	pfd_sent,
@@ -157,7 +157,7 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c,
 
 static int pfd_accepting(Plug p, void *sock)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,
 	pfd_sent,
@@ -208,7 +208,7 @@ static int pfd_accepting(Plug p, void *sock)
 char *pfd_addforward(char *desthost, int destport, char *srcaddr, int port,
 		     void *backhandle, const Config *cfg)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,		       /* should not happen... */
 	pfd_sent,		       /* also should not happen */