diff options
| -rw-r--r-- | src/core/network.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/core/network.c b/src/core/network.c index 4494dbc6..8d9c6b06 100644 --- a/src/core/network.c +++ b/src/core/network.c @@ -489,7 +489,16 @@ int net_gethostbyaddr(IPADDR *ip, char **name) int net_ip2host(IPADDR *ip, char *host) { - return inet_ntop(ip->family, &ip->ip, host, MAX_IP_LEN) ? 0 : -1; + if (inet_ntop(ip->family, &ip->ip, host, MAX_IP_LEN)) { + return 0; + } + + // For callers that do not check our return value and pass in an + // uninitialized buffer assuming it will be set, ensure the buffer is a valid + // string. Ideally callers should check what we return and handle + // appropriately, but this at least gives us safety. + host[0] = '\0'; + return -1; } int net_host2ip(const char *host, IPADDR *ip) |