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Use if_indextoname() instead of less portable ioctl(SIOCGIFNAME)

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This commit is contained in:
Gleb Popov 2024-09-21 20:31:33 +03:00 • committed by Wim Taymans
parent aafe815556
commit 44d92c21e5
1 changed files with 2 additions and 4 deletions
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6
src/modules/module-snapcast-discover.c
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@ -619,7 +619,7 @@ static void resolver_cb(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiPr
char hbuf[NI_MAXHOST];
char if_suffix[16] = "";
struct ifreq ifreq;
int fd, res, family;
int res, family;
if (event != AVAHI_RESOLVER_FOUND) {
pw_log_error("Resolving of '%s' failed: %s", name,
@ -672,9 +672,8 @@ static void resolver_cb(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiPr
family = protocol == AVAHI_PROTO_INET ? AF_INET : AF_INET6;
spa_zero(ifreq);
fd = socket(family, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0);
ifreq.ifr_ifindex = interface;
ioctl(fd, SIOCGIFNAME, &ifreq, sizeof(ifreq));
if_indextoname(interface, ifreq.ifr_name);
pw_properties_setf(props, "snapcast.ifname", "%s", ifreq.ifr_name);
pw_properties_setf(props, "local.ifname", "%s", ifreq.ifr_name);
@ -709,7 +708,6 @@ static void resolver_cb(AvahiServiceResolver *r, AvahiIfIndex interface, AvahiPr
}
}
freeifaddrs(if_addr);
close(fd);
for (l = txt; l; l = l->next) {
char *key, *value;