diff options
Diffstat (limited to 'sysdeps/posix/getaddrinfo.c')
| -rw-r--r-- | sysdeps/posix/getaddrinfo.c | 73 |
1 files changed, 28 insertions, 45 deletions
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c index c61c72a24a..7bd89c45c0 100644 --- a/sysdeps/posix/getaddrinfo.c +++ b/sysdeps/posix/getaddrinfo.c @@ -510,12 +510,10 @@ gaih_inet (const char *name, const struct gaih_service *service, int no_more; int old_res_options; - /* If we do not have to look for IPv4 and IPv6 together, use - the simple, old functions. */ - if (req->ai_family == AF_INET - || (req->ai_family == AF_INET6 - && ((req->ai_flags & AI_V4MAPPED) == 0 - || (req->ai_flags & AI_ALL) == 0))) + /* If we do not have to look for IPv6 addresses, use + the simple, old functions, which do not support + IPv6 scope ids. */ + if (req->ai_family == AF_INET) { int family = req->ai_family; size_t tmpbuflen = 512; @@ -525,7 +523,6 @@ gaih_inet (const char *name, const struct gaih_service *service, struct hostent *h; int herrno; - simple_again: while (1) { rc = __gethostbyname2_r (name, family, &th, tmpbuf, @@ -537,44 +534,30 @@ gaih_inet (const char *name, const struct gaih_service *service, if (rc == 0) { - if (h == NULL) - { - if (req->ai_family == AF_INET6 - && (req->ai_flags & AI_V4MAPPED) - && family == AF_INET6) - { - /* Try again, this time looking for IPv4 - addresses. */ - family = AF_INET; - goto simple_again; - } - } - else - { - /* We found data, now convert it into the list. */ - for (int i = 0; h->h_addr_list[i]; ++i) - { - if (*pat == NULL) - { - *pat = __alloca (sizeof (struct gaih_addrtuple)); - (*pat)->scopeid = 0; - } - (*pat)->next = NULL; - (*pat)->family = req->ai_family; - if (family == req->ai_family) - memcpy ((*pat)->addr, h->h_addr_list[i], - h->h_length); - else - { - uint32_t *addr = (uint32_t *) (*pat)->addr; - addr[3] = *(uint32_t *) h->h_addr_list[i]; - addr[2] = htonl (0xffff); - addr[1] = 0; - addr[0] = 0; - } - pat = &((*pat)->next); - } - } + if (h != NULL) + /* We found data, now convert it into the list. */ + for (int i = 0; h->h_addr_list[i]; ++i) + { + if (*pat == NULL) + { + *pat = __alloca (sizeof (struct gaih_addrtuple)); + (*pat)->scopeid = 0; + } + (*pat)->next = NULL; + (*pat)->family = req->ai_family; + if (family == req->ai_family) + memcpy ((*pat)->addr, h->h_addr_list[i], + h->h_length); + else + { + uint32_t *addr = (uint32_t *) (*pat)->addr; + addr[3] = *(uint32_t *) h->h_addr_list[i]; + addr[2] = htonl (0xffff); + addr[1] = 0; + addr[0] = 0; + } + pat = &((*pat)->next); + } } else { |