Get rid of a cast which increases the required alignment.

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1895 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 3 insertions, 1 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 700fe8b..c0b29f2 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -1139,12 +1139,14 @@ get_ip_address(const char *ifname)
 {
 #if defined(SIOCGIFADDR)
         struct ifreq ifr;
+        struct sockaddr_in ip;
 
         strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
         ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0';
         if(ioctl(icmp_sock, SIOCGIFADDR, &ifr) == -1)
                 crash("Cannot determine IP address of interface %s", ifname);
-        return ((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr.s_addr;
+        memcpy(&ip, &ifr.ifr_addr, sizeof(ip));
+        return ip.sin_addr.s_addr;
 #else
         errno = 0;
         crash("Cannot get interface IP address on this platform.");