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net: use memset to init stack structs

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This commit is contained in:
Robert Swiecki 2018-06-20 15:36:44 +02:00
parent 21a7bbbe6a
commit 054e62c026
1 changed files with 6 additions and 3 deletions
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9
net.cc
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@ -353,7 +353,8 @@ static bool ifaceUp(const char* ifacename) {
return false; return false;
} }
struct ifreq ifr = {}; struct ifreq ifr;
memset(&ifr, '\0', sizeof(ifr));
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", ifacename); snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", ifacename);
if (ioctl(sock, SIOCGIFFLAGS, &ifr) == -1) { if (ioctl(sock, SIOCGIFFLAGS, &ifr) == -1) {
@ -394,7 +395,8 @@ static bool ifaceConfig(const std::string& iface, const std::string& ip, const s
return true; return true;
} }
struct ifreq ifr = {}; struct ifreq ifr;
memset(&ifr, '\0', sizeof(ifr));
snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", iface.c_str()); snprintf(ifr.ifr_name, IF_NAMESIZE, "%s", iface.c_str());
struct sockaddr_in* sa = (struct sockaddr_in*)(&ifr.ifr_addr); struct sockaddr_in* sa = (struct sockaddr_in*)(&ifr.ifr_addr);
sa->sin_family = AF_INET; sa->sin_family = AF_INET;
@ -434,7 +436,8 @@ static bool ifaceConfig(const std::string& iface, const std::string& ip, const s
return true; return true;
} }
struct rtentry rt = {}; struct rtentry rt;
memset(&rt, '\0', sizeof(rt));
struct sockaddr_in* sdest = (struct sockaddr_in*)(&rt.rt_dst); struct sockaddr_in* sdest = (struct sockaddr_in*)(&rt.rt_dst);
struct sockaddr_in* smask = (struct sockaddr_in*)(&rt.rt_genmask); struct sockaddr_in* smask = (struct sockaddr_in*)(&rt.rt_genmask);
struct sockaddr_in* sgate = (struct sockaddr_in*)(&rt.rt_gateway); struct sockaddr_in* sgate = (struct sockaddr_in*)(&rt.rt_gateway);