[OB PATCH] Use pulongest for printing ssize_t

[Gary Benson <gbenson@redhat.com>]

Pedro Alves wrote:
> On 06/11/2015 09:40 AM, James Greenhalgh wrote:
> > I would expect that to mean this is broken for any "long int !=
> > ssize_t" target. I'm not sure which C standards GDB requires
> > compatability with, but I believe the portable C99 way of printing
> > a ssize_t would be "%zd".
> 
> GDB is written in C90 currently.
> 
> The usual way to handle this is to use plongest (with %s).  As this
> is native GNU/Linux code, casting to long (thus keep %ld) would be
> fine too.

This commit changes the debug printing code in linux-namespaces.c
to use pulongest instead of "%ld".

Pushed as obvious.

Thanks,
Gary

--
gdb/ChangeLog:

	* nat/linux-namespaces.c (mnsh_send_message): Use pulongest.
	(mnsh_recv_message): Likewise.
---
 gdb/ChangeLog              |    5 +++++
 gdb/nat/linux-namespaces.c |    9 +++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/gdb/nat/linux-namespaces.c b/gdb/nat/linux-namespaces.c
index 98ae104..f18e40d 100644
--- a/gdb/nat/linux-namespaces.c
+++ b/gdb/nat/linux-namespaces.c
@@ -374,7 +374,7 @@ mnsh_send_message (int sock, enum mnsh_msg_type type,
     {
       debug_printf ("mnsh: send: ");
       mnsh_debug_print_message (type, fd, int1, int2, buf, bufsiz);
-      debug_printf (" -> %ld\n", size);
+      debug_printf (" -> %s\n", pulongest (size));
     }
 
   return size;
@@ -426,7 +426,8 @@ mnsh_recv_message (int sock, enum mnsh_msg_type *type,
   if (size < 0)
     {
       if (debug_linux_namespaces)
-	debug_printf ("namespace-helper: recv failed (%ld)\n", size);
+	debug_printf ("namespace-helper: recv failed (%s)\n",
+		      pulongest (size));
 
       mnsh_maybe_mourn_peer ();
 
@@ -437,8 +438,8 @@ mnsh_recv_message (int sock, enum mnsh_msg_type *type,
   if (size < fixed_size || (msg.msg_flags & (MSG_TRUNC | MSG_CTRUNC)))
     {
       if (debug_linux_namespaces)
-	debug_printf ("namespace-helper: recv truncated (%ld 0x%x)\n",
-		      size, msg.msg_flags);
+	debug_printf ("namespace-helper: recv truncated (%s 0x%x)\n",
+		      pulongest (size), msg.msg_flags);
 
       mnsh_maybe_mourn_peer ();
 
-- 
1.7.1