[pschweitzer] 73842: [DNSAPI] Properly check for domain name being set CID 1401070

Author: pschweitzer
Date: Sun Feb 19 12:42:08 2017
New Revision: 73842

URL: http://svn.reactos.org/svn/reactos?rev=73842&view=rev
Log:
[DNSAPI]
Properly check for domain name being set

CID 1401070

Modified:
    trunk/reactos/dll/win32/dnsapi/dnsapi/query.c

Modified: trunk/reactos/dll/win32/dnsapi/dnsapi/query.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/dnsapi/dnsapi/qu…
==============================================================================
--- trunk/reactos/dll/win32/dnsapi/dnsapi/query.c	[iso-8859-1] (original)
+++ trunk/reactos/dll/win32/dnsapi/dnsapi/query.c	[iso-8859-1] Sun Feb 19 12:42:08 2017
@@ -738,7 +738,7 @@
             TempLen += StringLength;
             HostWithDomainName = (PCHAR)RtlAllocateHeap(RtlGetProcessHeap(), 0,
TempLen);
             StringCchCopyA(HostWithDomainName, TempLen, network_info->HostName);
-            if (network_info->DomainName)
+            if (network_info->DomainName[0])
             {
                 StringCchCatA(HostWithDomainName, TempLen, ".");
                 StringCchCatA(HostWithDomainName, TempLen, network_info->DomainName);
@@ -783,7 +783,7 @@
             if ((addr.s_addr != INADDR_ANY) && (addr.s_addr != INADDR_NONE))
                 adns_addserver(astate, addr);
         }
-        if (network_info->DomainName)
+        if (network_info->DomainName[0])
         {
             adns_ccf_search(astate, "LOCALDOMAIN", -1,
network_info->DomainName);
         }