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ws2_32: Avoid a crash in WS_getaddrinfo when the specified service doesn't exist. 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49656
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2020-08-11 14:11:05 +02:00 committed by Alexandre Julliard
parent 6a276eba16
commit a6d9f46b25
2 changed files with 5 additions and 1 deletions
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2
dlls/ws2_32/socket.c
View File

@ -6787,7 +6787,7 @@ int WINAPI WS_getaddrinfo(LPCSTR nodename, LPCSTR servname, const struct WS_addr
result = getaddrinfo(node, servname, punixhints, &unixaires);
if (result && (!hints || !(hints->ai_flags & WS_AI_NUMERICHOST))
&& (!strcmp(fqdn, node) || (!strncmp(fqdn, node, hostname_len) && !node[hostname_len])))
&& node && (!strcmp(fqdn, node) || (!strncmp(fqdn, node, hostname_len) && !node[hostname_len])))
{
/* If it didn't work it means the host name IP is not in /etc/hosts, try again
* by sending a NULL host and avoid sending a NULL servname too because that

4
dlls/ws2_32/tests/sock.c
View File

@ -7778,6 +7778,10 @@ static void test_getaddrinfo(void)
ok(0, "test %d: getaddrinfo failed with %d (err %d)\n", i, ret, err);
}
}
memset(&hint, 0, sizeof(hint));
ret = pgetaddrinfo(NULL, "nonexistentservice", &hint, &result);
ok(ret == WSATYPE_NOT_FOUND, "got %d\n", ret);
}
static void test_ConnectEx(void)