3 files changed, 5 insertions, 5 deletions
diff --git a/lib/socket.h b/lib/socket.h
index f2b0c042..96fedeeb 100644
--- a/lib/socket.h
+++ b/lib/socket.h
@@ -76,7 +76,7 @@ typedef struct birdsock {
   int rcv_ttl;				/* TTL of last received datagram */
   node n;
   void *rbuf_alloc, *tbuf_alloc;
-  char *password;			/* Password for MD5 authentication */
+  const char *password;			/* Password for MD5 authentication */
   const char *err;			/* Error message */
   struct ssh_sock *ssh;			/* Used in SK_SSH */
 } sock;
@@ -106,7 +106,7 @@ int sk_leave_group(sock *s, ip_addr maddr);	/* Leave multicast group on sk iface
 int sk_setup_broadcast(sock *s);
 int sk_set_ttl(sock *s, int ttl);	/* Set transmit TTL for given socket */
 int sk_set_min_ttl(sock *s, int ttl);	/* Set minimal accepted TTL for given socket */
-int sk_set_md5_auth(sock *s, ip_addr local, ip_addr remote, int pxlen, struct iface *ifa, char *passwd, int setkey);
+int sk_set_md5_auth(sock *s, ip_addr local, ip_addr remote, int pxlen, struct iface *ifa, const char *passwd, int setkey);
 int sk_set_ipv6_checksum(sock *s, int offset);
 int sk_set_icmp6_filter(sock *s, int p1, int p2);
 void sk_log_error(sock *s, const char *p);
diff --git a/lib/timer.c b/lib/timer.c
index ddf41340..be695114 100644
--- a/lib/timer.c
+++ b/lib/timer.c
@@ -253,7 +253,7 @@ timer_init(void)
  * type &btime.
  */
 btime
-tm_parse_time(char *x)
+tm_parse_time(const char *x)
 {
   struct tm tm;
   int usec, n1, n2, n3, r;
diff --git a/lib/timer.h b/lib/timer.h
index 3b99825f..c5ea430c 100644
--- a/lib/timer.h
+++ b/lib/timer.h
@@ -106,7 +106,7 @@ void timer_init(void);
 
 
 struct timeformat {
-  char *fmt1, *fmt2;
+  const char *fmt1, *fmt2;
   btime limit;
 };
 
@@ -120,7 +120,7 @@ struct timeformat {
 
 #define TM_DATETIME_BUFFER_SIZE 32	/* Buffer size required by tm_format_time() */
 
-btime tm_parse_time(char *x);
+btime tm_parse_time(const char *x);
 void tm_format_time(char *x, struct timeformat *fmt, btime t);
 int tm_format_real_time(char *x, size_t max, const char *fmt, btime t);