bug#23658: 25.1.50; make-network-connection fails to connect to IPv6 address on Windows

[Ken Brown <kbrown@cornell.edu>]

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On 6/5/2016 11:04 AM, Fran Litterio wrote:
> Ken Brown <kbrown <at> cornell.edu> writes:
>
>> While we're waiting for an expert to respond to this, it's
>> easy to test if my guess is correct.  Please apply
>> the following patch, rebuild, and retry your tests.
>
> Hi Ken,
>
> Unfortunately, your patch doesn't apply cleanly.

Hi Fran,

It applies cleanly for me to the current git HEAD.  Could you do a 'git 
pull' and try again?  I'm resending the patch as an attachment in case 
my mailer (or yours) messed something up, e.g., by wrapping a long line.

Ken


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diff --git a/src/process.c b/src/process.c
index 9ca3e594..30a200f 100644
--- a/src/process.c
+++ b/src/process.c
@@ -3135,6 +3135,7 @@ connect_network_socket (Lisp_Object proc, Lisp_Object addrinfos,
   count1 = SPECPDL_INDEX ();
   s = -1;
 
+  int addrinfo_count = 0;
   while (!NILP (addrinfos))
     {
       Lisp_Object addrinfo = XCAR (addrinfos);
@@ -3142,6 +3143,8 @@ connect_network_socket (Lisp_Object proc, Lisp_Object addrinfos,
       int protocol = XINT (XCAR (addrinfo));
       Lisp_Object ip_address = XCDR (addrinfo);
 
+      message ("Trying addrinfo structure %d", ++addrinfo_count);
+
 #ifdef WINDOWSNT
     retry_connect:
 #endif