]> git.ipfire.org Git - thirdparty/iptables.git/commitdiff
libxt_mac: flatten casts in libxt_mac
authorJan Engelhardt <jengelh@medozas.de>
Mon, 1 Sep 2008 12:18:01 +0000 (14:18 +0200)
committerPatrick McHardy <kaber@trash.net>
Mon, 1 Sep 2008 12:18:01 +0000 (14:18 +0200)
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
extensions/libxt_mac.c

index a842ee9b926e50539571af5678ac1cafcf15ecd3..bc91f0f4ad13e576526c6a99b908d5a1128d8513 100644 (file)
@@ -74,7 +74,7 @@ mac_parse(int c, char **argv, int invert, unsigned int *flags,
        return 1;
 }
 
-static void print_mac(unsigned char macaddress[ETH_ALEN])
+static void print_mac(const unsigned char macaddress[ETH_ALEN])
 {
        unsigned int i;
 
@@ -96,22 +96,25 @@ static void mac_check(unsigned int flags)
 static void
 mac_print(const void *ip, const struct xt_entry_match *match, int numeric)
 {
+       const struct xt_mac_info *info = (void *)match->data;
        printf("MAC ");
 
-       if (((struct xt_mac_info *)match->data)->invert)
+       if (info->invert)
                printf("! ");
        
-       print_mac(((struct xt_mac_info *)match->data)->srcaddr);
+       print_mac(info->srcaddr);
 }
 
 /* Saves the union ipt_matchinfo in parsable form to stdout. */
 static void mac_save(const void *ip, const struct xt_entry_match *match)
 {
-       if (((struct xt_mac_info *)match->data)->invert)
+       const struct xt_mac_info *info = (void *)match->data;
+
+       if (info->invert)
                printf("! ");
 
        printf("--mac-source ");
-       print_mac(((struct xt_mac_info *)match->data)->srcaddr);
+       print_mac(info->srcaddr);
 }
 
 static struct xtables_match mac_match = {