ws2_32/tests: Add hostent struct tests for gethostbyname.
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@ -2730,10 +2730,50 @@ static void test_getsockname(void)
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static void test_dns(void)
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{
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struct hostent *h;
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struct hostent *h, *he, host;
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union memaddress
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{
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char *chr;
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void *mem;
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} addr;
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char **ptr;
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int acount;
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void *ip_addr, *alias_addr;
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h = gethostbyname("");
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ok(h != NULL, "gethostbyname(\"\") failed with %d\n", h_errno);
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if(h) host = *h;
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/* Use an address with valid alias names if possible */
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he = gethostbyname("source.winehq.org");
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if(he)
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h = he;
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else if (h)
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h = &host;
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else
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{
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skip("Can't test the hostent structure because gethostbyname failed\n");
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return;
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}
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/* The returned struct must be allocated in a very strict way. First we need to
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* count how many aliases there are because they must be located right after
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* the struct hostent size. Knowing the amount of aliases we know the exact
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* location of the first IP returned. Rule valid for >= XP, for older OS's
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* it's somewhat the opposite. */
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for(ptr = h->h_aliases, acount = 1; *ptr; ptr++) acount++;
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addr.mem = h + 1;
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alias_addr = addr.mem;
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todo_wine ok(h->h_aliases == alias_addr || broken(h->h_addr_list == alias_addr /* <= W2K */ ),
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"hostent->h_aliases should be in %p, it is in %p\n", alias_addr, h->h_aliases);
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addr.chr += sizeof(h->h_aliases) * acount;
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ip_addr = addr.mem;
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todo_wine ok(h->h_addr_list == ip_addr || broken(h->h_addr_list == alias_addr /* <= W2K */ ),
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"hostent->h_addr_list should be in %p, it is in %p\n", ip_addr, h->h_addr_list);
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}
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/* Our winsock headers don't define gethostname because it conflicts with the
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