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make some structures constant.

These pre-initialized arrays are not modified.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Feng Lu <lu.feng@6wind.com>
Stephen Hemminger 6 years ago
parent
commit
88d37b902b
2 changed files with 2 additions and 2 deletions
  1. 1 1
      isisd/isis_pdu.c
  2. 1 1
      ripd/rip_interface.c

+ 1 - 1
isisd/isis_pdu.c

@@ -62,7 +62,7 @@
 #endif /* PNBBY */
 
 /* Utility mask array. */
-static u_char maskbit[] = {
+static const u_char maskbit[] = {
   0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff
 };
 

+ 1 - 1
ripd/rip_interface.c

@@ -50,7 +50,7 @@ static int rip_enable_if_lookup (const char *ifname);
 static int rip_enable_network_lookup2 (struct connected *connected);
 static void rip_enable_apply_all (void);
 
-struct message ri_version_msg[] = 
+const struct message ri_version_msg[] =
 {
   {RI_RIP_VERSION_1,       "1"},
   {RI_RIP_VERSION_2,       "2"},