diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 41 |
1 files changed, 30 insertions, 11 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index 225c1a1..20e60de 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -445,12 +445,35 @@ gaih_inet (const char *name, const struct gaih_service *service, } else { - st = __alloca (sizeof (struct gaih_servtuple)); - st->next = NULL; - st->socktype = tp->socktype; - st->protocol = ((tp->protoflag & GAI_PROTO_PROTOANY) - ? req->ai_protocol : tp->protocol); - st->port = htons (service->num); + if (req->ai_socktype || req->ai_protocol) + { + st = __alloca (sizeof (struct gaih_servtuple)); + st->next = NULL; + st->socktype = tp->socktype; + st->protocol = ((tp->protoflag & GAI_PROTO_PROTOANY) + ? req->ai_protocol : tp->protocol); + st->port = htons (service->num); + } + else + { + /* Neither socket type nor protocol is set. Return all + socket types we know about. */ + struct gaih_servtuple **lastp = &st; + for (tp = gaih_inet_typeproto + 1; tp->name[0]; ++tp) + if ((tp->protoflag & GAI_PROTO_NOSERVICE) == 0) + { + struct gaih_servtuple *newp; + + newp = __alloca (sizeof (struct gaih_servtuple)); + newp->next = NULL; + newp->socktype = tp->socktype; + newp->protocol = tp->protocol; + newp->port = htons (service->num); + + *lastp = newp; + lastp = &newp->next; + } + } } } else if (req->ai_socktype || req->ai_protocol) @@ -1493,11 +1516,7 @@ getaddrinfo (const char *name, const char *service, gaih_service.num = -1; } - else - /* Can't specify a numerical socket unless a protocol family was - given. */ - if (hints->ai_socktype == 0 && hints->ai_protocol == 0) - return EAI_SERVICE; + pservice = &gaih_service; } else |