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netns_ifaddrs: mark casts as safe

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Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner 2018-09-23 20:50:54 +02:00
parent b1e44ed125
commit d3d5554a97
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GPG Key ID: 8EB056D53EECB12D
1 changed files with 10 additions and 0 deletions
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10
src/include/netns_ifaddrs.c
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@ -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;