D25734.id75419.diff
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D25734.id75419.diff
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	Index: head/sbin/ipfw/nat64clat.c
	===================================================================
	--- head/sbin/ipfw/nat64clat.c
	+++ head/sbin/ipfw/nat64clat.c
	@@ -303,6 +303,9 @@

	if ((p = strchr(*av, '/')) != NULL)
	*p++ = '\0';
	+ else
	+ errx(EX_USAGE,
	+ "Prefix length required: %s", *av);
	if (inet_pton(AF_INET6, *av, &prefix) != 1)
	errx(EX_USAGE,
	"Bad prefix: %s", *av);
	Index: head/sbin/ipfw/nat64stl.c
	===================================================================
	--- head/sbin/ipfw/nat64stl.c
	+++ head/sbin/ipfw/nat64stl.c
	@@ -249,6 +249,9 @@
	NEED1("IPv6 prefix6 required");
	if ((p = strchr(*av, '/')) != NULL)
	*p++ = '\0';
	+ else
	+ errx(EX_USAGE,
	+ "Prefix length required: %s", *av);
	if (inet_pton(AF_INET6, *av, &cfg->prefix6) != 1)
	errx(EX_USAGE,
	"Bad prefix: %s", *av);