ws2_32/tests: Add hostent struct tests for gethostbyname.

This commit is contained in:
Bruno Jesus 2012-04-07 19:45:04 -03:00 committed by Alexandre Julliard
parent 531818846a
commit 7d7995c66c

View File

@ -2730,10 +2730,50 @@ static void test_getsockname(void)
static void test_dns(void)
{
struct hostent *h;
struct hostent *h, *he, host;
union memaddress
{
char *chr;
void *mem;
} addr;
char **ptr;
int acount;
void *ip_addr, *alias_addr;
h = gethostbyname("");
ok(h != NULL, "gethostbyname(\"\") failed with %d\n", h_errno);
if(h) host = *h;
/* Use an address with valid alias names if possible */
he = gethostbyname("source.winehq.org");
if(he)
h = he;
else if (h)
h = &host;
else
{
skip("Can't test the hostent structure because gethostbyname failed\n");
return;
}
/* The returned struct must be allocated in a very strict way. First we need to
* count how many aliases there are because they must be located right after
* the struct hostent size. Knowing the amount of aliases we know the exact
* location of the first IP returned. Rule valid for >= XP, for older OS's
* it's somewhat the opposite. */
for(ptr = h->h_aliases, acount = 1; *ptr; ptr++) acount++;
addr.mem = h + 1;
alias_addr = addr.mem;
todo_wine ok(h->h_aliases == alias_addr || broken(h->h_addr_list == alias_addr /* <= W2K */ ),
"hostent->h_aliases should be in %p, it is in %p\n", alias_addr, h->h_aliases);
addr.chr += sizeof(h->h_aliases) * acount;
ip_addr = addr.mem;
todo_wine ok(h->h_addr_list == ip_addr || broken(h->h_addr_list == alias_addr /* <= W2K */ ),
"hostent->h_addr_list should be in %p, it is in %p\n", ip_addr, h->h_addr_list);
}
/* Our winsock headers don't define gethostname because it conflicts with the