diff options
| -rw-r--r-- | compat/mingw.c | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index 146a6ed79c..a6c1ee702a 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -1039,19 +1039,22 @@ static int WSAAPI getaddrinfo_stub(const char *node, const char *service, const struct addrinfo *hints, struct addrinfo **res) { - struct hostent *h = gethostbyname(node); + struct hostent *h = NULL; struct addrinfo *ai; struct sockaddr_in *sin; - if (!h) - return WSAGetLastError(); + if (node) { + h = gethostbyname(node); + if (!h) + return WSAGetLastError(); + } ai = xmalloc(sizeof(struct addrinfo)); *res = ai; ai->ai_flags = 0; ai->ai_family = AF_INET; - ai->ai_socktype = hints->ai_socktype; - switch (hints->ai_socktype) { + ai->ai_socktype = hints ? hints->ai_socktype : 0; + switch (ai->ai_socktype) { case SOCK_STREAM: ai->ai_protocol = IPPROTO_TCP; break; @@ -1063,14 +1066,25 @@ static int WSAAPI getaddrinfo_stub(const char *node, const char *service, break; } ai->ai_addrlen = sizeof(struct sockaddr_in); - ai->ai_canonname = strdup(h->h_name); + if (hints && (hints->ai_flags & AI_CANONNAME)) + ai->ai_canonname = h ? strdup(h->h_name) : NULL; + else + ai->ai_canonname = NULL; sin = xmalloc(ai->ai_addrlen); memset(sin, 0, ai->ai_addrlen); sin->sin_family = AF_INET; + /* Note: getaddrinfo is supposed to allow service to be a string, + * which should be looked up using getservbyname. This is + * currently not implemented */ if (service) sin->sin_port = htons(atoi(service)); - sin->sin_addr = *(struct in_addr *)h->h_addr; + if (h) + sin->sin_addr = *(struct in_addr *)h->h_addr; + else if (hints && (hints->ai_flags & AI_PASSIVE)) + sin->sin_addr.s_addr = INADDR_ANY; + else + sin->sin_addr.s_addr = INADDR_LOOPBACK; ai->ai_addr = (struct sockaddr *)sin; ai->ai_next = 0; return 0; |