Bruno Jesus : ws2_32/tests: Add hostent struct tests for gethostbyname.
Alexandre Julliard
julliard at winehq.org
Mon Apr 9 13:09:15 CDT 2012
Module: wine
Branch: master
Commit: 7d7995c66cfac60d293fdfbb2b2942821d89c785
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7d7995c66cfac60d293fdfbb2b2942821d89c785
Author: Bruno Jesus <00cpxxx at gmail.com>
Date: Sat Apr 7 19:45:04 2012 -0300
ws2_32/tests: Add hostent struct tests for gethostbyname.
---
dlls/ws2_32/tests/sock.c | 42 +++++++++++++++++++++++++++++++++++++++++-
1 files changed, 41 insertions(+), 1 deletions(-)
diff --git a/dlls/ws2_32/tests/sock.c b/dlls/ws2_32/tests/sock.c
index cc045ea..53cf2c8 100644
--- a/dlls/ws2_32/tests/sock.c
+++ b/dlls/ws2_32/tests/sock.c
@@ -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
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