Adding const to in6_sin_2_v4mapsin6

[Robert Swindells]

Would anyone object to the following change ?

It makes it easier to use an address from the route cache as the
input to the address mapping.

Index: in6.c
===================================================================
RCS file: /cvsroot/src/sys/netinet6/in6.c,v
retrieving revision 1.180
diff -u -r1.180 in6.c
--- in6.c 2 Dec 2014 19:36:58 -0000 1.180
+++ in6.c 18 Feb 2015 19:39:39 -0000
@@ -2341,7 +2341,7 @@

/* Convert sockaddr_in to sockaddr_in6 in v4 mapped addr format. */
void
-in6_sin_2_v4mapsin6(struct sockaddr_in *sin, struct sockaddr_in6 *sin6)
+in6_sin_2_v4mapsin6(const struct sockaddr_in *sin, struct sockaddr_in6 *sin6)
{
memset(sin6, 0, sizeof(*sin6));
sin6->sin6_len = sizeof(struct sockaddr_in6);
Index: in6.h
===================================================================
RCS file: /cvsroot/src/sys/netinet6/in6.h,v
retrieving revision 1.82
diff -u -r1.82 in6.h
--- in6.h 20 Jan 2015 21:27:36 -0000 1.82
+++ in6.h 18 Feb 2015 19:39:39 -0000
@@ -770,7 +770,7 @@
struct cmsghdr;

void in6_sin6_2_sin(struct sockaddr_in *, struct sockaddr_in6 *);
-void in6_sin_2_v4mapsin6(struct sockaddr_in *, struct sockaddr_in6 *);
+void in6_sin_2_v4mapsin6(const struct sockaddr_in *, struct sockaddr_in6 *);
void in6_sin6_2_sin_in_sock(struct sockaddr *);
void in6_sin_2_v4mapsin6_in_sock(struct sockaddr **);


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[Christos Zoulas]

Post by Robert Swindells
Would anyone object to the following change ?
It makes it easier to use an address from the route cache as the
input to the address mapping.

No objection.

christos


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