diff options
Diffstat (limited to 'src/common')
| -rw-r--r-- | src/common/util.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/common/util.c b/src/common/util.c index 27d43337af..cc90495bec 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -1709,7 +1709,10 @@ int tor_lookup_hostname(const char *name, uint32_t *addr) struct in_addr iaddr; struct hostent *ent; tor_assert(addr); - if (tor_inet_aton(name, &iaddr)) { + if (!*name) { + /* Empty address is an error. */ + return -1; + } if (tor_inet_aton(name, &iaddr)) { /* It's an IP. */ memcpy(addr, &iaddr.s_addr, 4); return 0; |