From c7fc65809ae5300f256a1228f7011a1dc1bc85ac Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 10 Mar 2013 20:29:48 +0100
Subject: [PATCH] Introduce fw3_no_family() helper macro and use it

---
 ipsets.c | 3 +--
 utils.c  | 4 +---
 utils.h  | 3 +++
 zones.c  | 3 +--
 4 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/ipsets.c b/ipsets.c
index d6ff9bd..a987790 100644
--- a/ipsets.c
+++ b/ipsets.c
@@ -376,14 +376,13 @@ void
 fw3_destroy_ipsets(struct fw3_state *state, enum fw3_family family)
 {
 	struct fw3_ipset *s, *tmp;
-	uint32_t family_mask = (1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6);
 
 	list_for_each_entry_safe(s, tmp, &state->running_ipsets, running_list)
 	{
 		if (hasbit(s->running_flags, family))
 			delbit(s->flags, family);
 
-		if (!(s->flags & family_mask))
+		if (fw3_no_family(s))
 		{
 			info("Deleting ipset %s", s->name);
 
diff --git a/utils.c b/utils.c
index ce9049e..2747a85 100644
--- a/utils.c
+++ b/utils.c
@@ -441,9 +441,7 @@ fw3_write_statefile(void *state)
 	struct fw3_zone *z;
 	struct fw3_ipset *i;
 
-	int mask = (1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6);
-
-	if (!(d->flags & mask))
+	if (fw3_no_family(d))
 	{
 		if (unlink(FW3_STATEFILE))
 			warn("Unable to remove state %s: %s",
diff --git a/utils.h b/utils.h
index 43f30f4..79bf394 100644
--- a/utils.h
+++ b/utils.h
@@ -55,6 +55,9 @@ void info(const char *format, ...);
 #define fw3_is_family(p, f)                                                \
 	(!p || (p)->family == FW3_FAMILY_ANY || (p)->family == f)
 
+#define fw3_no_family(p)                                                   \
+	(!p || !((p)->flags & ((1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6))))
+
 const char * fw3_find_command(const char *cmd);
 
 bool fw3_stdout_pipe(void);
diff --git a/zones.c b/zones.c
index c47391c..ab656ef 100644
--- a/zones.c
+++ b/zones.c
@@ -540,7 +540,6 @@ fw3_flush_zones(enum fw3_table table, enum fw3_family family,
 {
 	struct fw3_zone *z, *tmp;
 	uint32_t custom_mask = ~0;
-	uint32_t family_mask = (1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6);
 
 	/* don't touch user chains on selective stop */
 	if (reload)
@@ -566,7 +565,7 @@ fw3_flush_zones(enum fw3_table table, enum fw3_family family,
 		{
 			delbit(z->flags, family);
 
-			if (!(z->flags & family_mask))
+			if (fw3_no_family(z))
 				fw3_set_running(z, NULL);
 		}
 	}
-- 
2.11.0