diff options
Diffstat (limited to 'libc/netbsd/net/getnameinfo.c')
| -rw-r--r-- | libc/netbsd/net/getnameinfo.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libc/netbsd/net/getnameinfo.c b/libc/netbsd/net/getnameinfo.c index db04fbf46..36664435d 100644 --- a/libc/netbsd/net/getnameinfo.c +++ b/libc/netbsd/net/getnameinfo.c @@ -339,11 +339,14 @@ ip6_parsenumeric(sa, addr, host, hostlen, flags) assert(addr != NULL); assert(host != NULL); + if (hostlen < 0) + return EAI_OVERFLOW; + if (inet_ntop(AF_INET6, addr, numaddr, sizeof(numaddr)) == NULL) return EAI_SYSTEM; numaddrlen = strlen(numaddr); - if (numaddrlen + 1 > hostlen) /* don't forget terminator */ + if (numaddrlen + 1 > (size_t)hostlen) /* don't forget terminator */ return EAI_OVERFLOW; strlcpy(host, numaddr, hostlen); @@ -356,7 +359,7 @@ ip6_parsenumeric(sa, addr, host, hostlen, flags) zonebuf, sizeof(zonebuf), flags); if (zonelen < 0) return EAI_OVERFLOW; - if ((size_t) zonelen + 1 + numaddrlen + 1 > hostlen) + if ((size_t) zonelen + 1 + numaddrlen + 1 > (size_t)hostlen) return EAI_OVERFLOW; /* construct <numeric-addr><delim><zoneid> */ memcpy(host + numaddrlen + 1, zonebuf, |