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diff --git a/usr.bin/systat/netcmds.c b/usr.bin/systat/netcmds.c
--- a/usr.bin/systat/netcmds.c
+++ b/usr.bin/systat/netcmds.c
@@ -122,7 +122,7 @@
{
char *cp, *tmpstr, *tmpstr1;
struct servent *sp;
- struct hostent *hp;
+ struct addrinfo *res;
struct in_addr in;
tmpstr = tmpstr1 = strdup(args);
@@ -145,15 +145,20 @@
selectport(sp->s_port, onoff);
continue;
}
- hp = gethostbyname(tmpstr1);
- if (hp == NULL) {
+
+ if (getaddrinfo(tmpstr1, NULL, &(struct addrinfo){
+ .ai_family = AF_INET
+ }, &res) != 0) {
in.s_addr = inet_addr(tmpstr1);
if (in.s_addr == INADDR_NONE) {
error("%s: unknown host or port", tmpstr1);
continue;
}
- } else
- in = *(struct in_addr *)hp->h_addr;
+ }
+ else {
+ in = ((struct sockaddr_in *)res->ai_addr)->sin_addr;
+ freeaddrinfo(res);
+ }
selecthost(&in, onoff);
}
free(tmpstr);
@@ -292,13 +297,20 @@
static void
showhosts(void)
{
+ struct sockaddr_in sa = {
+ .sin_len = sizeof(struct sockaddr_in),
+ .sin_family = AF_INET
+ };
struct hitem *p;
- struct hostent *hp;
+ char host[NI_MAXHOST];
+ int result;
for (p = hosts; p < hosts+nhosts; p++) {
- hp = gethostbyaddr((char *)&p->addr, sizeof (p->addr), AF_INET);
+ sa.sin_addr = p->addr;
+ result = getnameinfo((struct sockaddr *)&sa, sa.sin_len,
+ host, sizeof(host), NULL, 0, NI_NAMEREQD);
if (!p->onoff)
addch('!');
- printw("%s ", hp ? hp->h_name : (char *)inet_ntoa(p->addr));
+ printw("%s ", result ? (char *)inet_ntoa(p->addr) : host);
}
}
diff --git a/usr.bin/systat/netstat.c b/usr.bin/systat/netstat.c
--- a/usr.bin/systat/netstat.c
+++ b/usr.bin/systat/netstat.c
@@ -566,7 +566,6 @@
{
char *cp = 0;
static char line[NI_MAXHOST];
- struct hostent *hp;
struct in_addr in;
#ifdef INET6
@@ -583,9 +582,8 @@
in = ((struct sockaddr_in *)sa)->sin_addr;
if (!nflag && in.s_addr != INADDR_ANY) {
- hp = gethostbyaddr((char *)&in, sizeof (in), AF_INET);
- if (hp)
- cp = hp->h_name;
+ if (getnameinfo(sa, sa->sa_len, line, sizeof(line), NULL, 0, NI_NAMEREQD) == 0)
+ cp = line;
}
if (in.s_addr == INADDR_ANY)
strcpy(line, "*");

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