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null check

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This commit is contained in:
Grant Limberg 2020-10-13 08:24:26 -07:00
parent fe1ce885a0
commit ee04118172
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1 changed files with 1 additions and 1 deletions
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one.cpp
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@ -1153,7 +1153,7 @@ static int cli(int argc,char **argv)
void *addr;
getifaddrs(&ifap);
for(ifa = ifap; ifa; ifa = ifa->ifa_next) {
if(strcmp(ifr.ifr_name, ifa->ifa_name) == 0) {
if(strcmp(ifr.ifr_name, ifa->ifa_name) == 0 && ifa->ifa_addr != NULL) {
if(ifa->ifa_addr->sa_family == AF_INET) {
struct sockaddr_in *ipv4 = (struct sockaddr_in*)ifa->ifa_addr;
addr = &ipv4->sin_addr;