netns_ifaddrs: mark casts as safe

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/include/netns_ifaddrs.c b/src/include/netns_ifaddrs.c
index 3fbb10520fd0d71f90427b3cbc2515761104718b..efc2bc51703ccda71d5cd26c7967f92045d135b2 100644 (file)
--- a/src/include/netns_ifaddrs.c
+++ b/src/include/netns_ifaddrs.c
@@ -392,6 +392,9 @@ static int __ifaddrs_netlink_recv(int fd, unsigned int seq, int type, int af,
                return -1;
 
        memset(buf, 0, sizeof(*buf));
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-align"
        hdr = (struct nlmsghdr *)buf;
        if (type == RTM_GETLINK)
                ifi_msg = (struct ifinfomsg *)__NLMSG_DATA(hdr);
@@ -402,6 +405,7 @@ static int __ifaddrs_netlink_recv(int fd, unsigned int seq, int type, int af,
                hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*ifi_msg));
        else
                hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*ifa_msg));
+#pragma GCC diagnostic pop
 
        hdr->nlmsg_type = type;
        hdr->nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST;
@@ -482,6 +486,8 @@ static int __rtnl_enumerate(int link_af, int addr_af, __s32 netns_id,
        return r;
 }
 
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-align"
 /* Get a pointer to the address structure from a sockaddr. */
 static void *get_addr_ptr(struct sockaddr *sockaddr_ptr)
 {
@@ -493,12 +499,16 @@ static void *get_addr_ptr(struct sockaddr *sockaddr_ptr)
 
        return NULL;
 }
+#pragma GCC diagnostic pop
 
 static char *get_packet_address(struct sockaddr *sockaddr_ptr, char *buf, size_t buflen)
 {
        char *slider = buf;
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-align"
        unsigned char *m = ((struct sockaddr_ll *)sockaddr_ptr)->sll_addr;
        unsigned char n = ((struct sockaddr_ll *)sockaddr_ptr)->sll_halen;
+#pragma GCC diagnostic pop
 
        for (unsigned char i = 0; i < n; i++) {
                int ret;