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SOCK: Properly implement getaddrinfo when the host OS doesn't have it.

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As reported in #767
This commit is contained in:
Mark Pizzolato 2019-11-14 13:14:14 -08:00
parent 3c9efd7fdb
commit bdc677b748
1 changed files with 24 additions and 31 deletions
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55
sim_sock.c
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@ -284,41 +284,34 @@ if (hostname) {
(0 == strcmp("255.255.255.255", hostname))) {
fixed[0] = &ipaddr;
fixed[1] = NULL;
if ((hints->ai_flags & AI_CANONNAME) && !(hints->ai_flags & AI_NUMERICHOST)) {
he = gethostbyaddr((char *)&ipaddr, 4, AF_INET);
if (NULL != he)
cname = he->h_name;
else
cname = hostname;
}
ips = fixed;
}
else {
if ((0xffffffff != (ipaddr.s_addr = inet_addr(hostname))) ||
(0 == strcmp("255.255.255.255", hostname))) {
fixed[0] = &ipaddr;
fixed[1] = NULL;
if ((hints->ai_flags & AI_CANONNAME) && !(hints->ai_flags & AI_NUMERICHOST)) {
he = gethostbyaddr((char *)&ipaddr, 4, AF_INET);
if (NULL != he)
cname = he->h_name;
else
cname = hostname;
}
ips = fixed;
if (hints->ai_flags & AI_NUMERICHOST)
return EAI_NONAME;
he = gethostbyname(hostname);
if (he) {
ips = (struct in_addr **)he->h_addr_list;
if (hints->ai_flags & AI_CANONNAME)
cname = he->h_name;
}
else {
if (hints->ai_flags & AI_NUMERICHOST)
return EAI_NONAME;
he = gethostbyname(hostname);
if (he) {
ips = (struct in_addr **)he->h_addr_list;
if (hints->ai_flags & AI_CANONNAME)
cname = he->h_name;
}
else {
switch (h_errno)
{
case HOST_NOT_FOUND:
case NO_DATA:
return EAI_NONAME;
case TRY_AGAIN:
return EAI_AGAIN;
default:
return EAI_FAIL;
}
switch (h_errno)
{
case HOST_NOT_FOUND:
case NO_DATA:
return EAI_NONAME;
case TRY_AGAIN:
return EAI_AGAIN;
default:
return EAI_FAIL;
}
}
}