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Free the addresses correctly

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This commit is contained in:
Michael Stapelberg 2009-07-22 18:30:16 +02:00
parent 4a6deddf7b
commit e56213db28
1 changed files with 8 additions and 2 deletions
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10
src/get_ip_addr.c
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@ -42,19 +42,25 @@ const char *get_ip_addr(const char *interface) {
addrp = addrp->ifa_next) { addrp = addrp->ifa_next) {
/* Check if the interface is down */ /* Check if the interface is down */
if (strcmp(addrp->ifa_name, eth_interface) == 0 && if (strcmp(addrp->ifa_name, eth_interface) == 0 &&
(addrp->ifa_flags & IFF_RUNNING) == 0) (addrp->ifa_flags & IFF_RUNNING) == 0) {
freeifaddrs(ifaddr);
return NULL; return NULL;
}
} }
if (addrp == NULL) if (addrp == NULL) {
freeifaddrs(ifaddr);
return "no IP"; return "no IP";
}
int ret; int ret;
if ((ret = getnameinfo(addrp->ifa_addr, len, part, sizeof(part), NULL, 0, NI_NUMERICHOST)) != 0) { if ((ret = getnameinfo(addrp->ifa_addr, len, part, sizeof(part), NULL, 0, NI_NUMERICHOST)) != 0) {
fprintf(stderr, "getnameinfo(): %s\n", gai_strerror(ret)); fprintf(stderr, "getnameinfo(): %s\n", gai_strerror(ret));
freeifaddrs(ifaddr);
return "no IP"; return "no IP";
} }
freeifaddrs(ifaddr);
return part; return part;
} }