cppcheck: Make many pointers const

Newer versions of cppcheck (as of 2.12.0, at least) added a warning for
pointers which could be declared to point at const data, but aren't.
Based on that, make many pointers throughout the codebase const.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/netlink.h b/netlink.h
index 9f4f8f4..3a1f0de 100644
--- a/netlink.h
+++ b/netlink.h
@@ -12,17 +12,17 @@ extern int nl_sock_ns;
 void nl_sock_init(const struct ctx *c, bool ns);
 unsigned int nl_get_ext_if(int s, sa_family_t af);
 int nl_route_get_def(int s, unsigned int ifi, sa_family_t af, void *gw);
-int nl_route_set_def(int s, unsigned int ifi, sa_family_t af, void *gw);
+int nl_route_set_def(int s, unsigned int ifi, sa_family_t af, const void *gw);
 int nl_route_dup(int s_src, unsigned int ifi_src,
 		 int s_dst, unsigned int ifi_dst, sa_family_t af);
 int nl_addr_get(int s, unsigned int ifi, sa_family_t af,
 		void *addr, int *prefix_len, void *addr_l);
 int nl_addr_set(int s, unsigned int ifi, sa_family_t af,
-		void *addr, int prefix_len);
+		const void *addr, int prefix_len);
 int nl_addr_dup(int s_src, unsigned int ifi_src,
 		int s_dst, unsigned int ifi_dst, sa_family_t af);
 int nl_link_get_mac(int s, unsigned int ifi, void *mac);
-int nl_link_set_mac(int s, unsigned int ifi, void *mac);
+int nl_link_set_mac(int s, unsigned int ifi, const void *mac);
 int nl_link_up(int s, unsigned int ifi, int mtu);
 
 #endif /* NETLINK_H */