From 91356d2d032e439d1938048dec991eb3a782a076 Mon Sep 17 00:00:00 2001
From: Sylvain Rochet <gradator@gradator.net>
Date: Wed, 24 Dec 2014 19:05:19 +0100
Subject: [PATCH] PPPAPI, added const modifier on auth strings

---
 src/api/pppapi.c          | 2 +-
 src/include/lwip/pppapi.h | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/api/pppapi.c b/src/api/pppapi.c
index af64e319..10e4b828 100644
--- a/src/api/pppapi.c
+++ b/src/api/pppapi.c
@@ -102,7 +102,7 @@ pppapi_do_ppp_set_auth(struct pppapi_msg_msg *msg)
  * tcpip_thread context.
  */
 void
-pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, char *user, char *passwd)
+pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd)
 {
   struct pppapi_msg msg;
   msg.function = pppapi_do_ppp_set_auth;
diff --git a/src/include/lwip/pppapi.h b/src/include/lwip/pppapi.h
index afadb16b..dd24af51 100644
--- a/src/include/lwip/pppapi.h
+++ b/src/include/lwip/pppapi.h
@@ -48,8 +48,8 @@ struct pppapi_msg_msg {
   union {
     struct {
       u8_t authtype;
-      char *user;
-      char *passwd;
+      const char *user;
+      const char *passwd;
     } setauth;
 #if PPP_NOTIFY_PHASE
     struct {
@@ -113,7 +113,7 @@ struct pppapi_msg {
 /* API for application */
 ppp_pcb *pppapi_new(void);
 void pppapi_set_default(ppp_pcb *pcb);
-void pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, char *user, char *passwd);
+void pppapi_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *passwd);
 #if PPP_NOTIFY_PHASE
 void pppapi_set_notify_phase_callback(ppp_pcb *pcb, ppp_notify_phase_cb_fn notify_phase_cb);
 #endif /* PPP_NOTIFY_PHASE */