Merge branch 'baseline' into refs/top-bases/tschwinge/Roger_Whittaker

Conflicts:
	configure
	configure.in
	hurd/ctty-input.c
	hurd/ctty-output.c
	hurd/hurd/signal.h
	hurd/hurdexec.c
	hurd/hurdmsg.c
	hurd/hurdsig.c
	hurd/hurdsocket.h
	socket/recvmmsg.c
	socket/sendmmsg.c
	sysdeps/mach/hurd/i386/sigreturn.c
	sysdeps/mach/hurd/i386/trampoline.c
	sysdeps/mach/hurd/pipe.c
	sysdeps/mach/hurd/recvmsg.c
	sysdeps/mach/hurd/sendmsg.c
	sysdeps/mach/hurd/sigaction.c
	sysdeps/mach/hurd/sigpending.c
	sysdeps/mach/hurd/sigprocmask.c
	sysdeps/mach/hurd/sigsuspend.c
	sysdeps/mach/hurd/sigwait.c
	sysdeps/mach/hurd/socketpair.c
	sysdeps/mach/hurd/tls.h
	sysdeps/unix/sysv/linux/recvmmsg.c
	sysdeps/unix/sysv/linux/sendmmsg.c

19 files changed, 55 insertions, 42 deletions

diff --git a/resolv/Makefile b/resolv/Makefile
index a398694772..d3635bc115 100644
--- a/resolv/Makefile
+++ b/resolv/Makefile
@@ -1,5 +1,4 @@
-# Copyright (C) 1994-2001,2003,2004,2007,2008,2011,2012
-#	Free Software Foundation, Inc.
+# Copyright (C) 1994-2013 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
diff --git a/resolv/gai_cancel.c b/resolv/gai_cancel.c
index 9082381015..e625a913fc 100644
--- a/resolv/gai_cancel.c
+++ b/resolv/gai_cancel.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/gai_error.c b/resolv/gai_error.c
index 9803b67536..80c5429076 100644
--- a/resolv/gai_error.c
+++ b/resolv/gai_error.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/gai_misc.c b/resolv/gai_misc.c
index 35f1133e69..6b73aac096 100644
--- a/resolv/gai_misc.c
+++ b/resolv/gai_misc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2012 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/gai_misc.h b/resolv/gai_misc.h
index 1def6a3298..a7ba463e24 100644
--- a/resolv/gai_misc.h
+++ b/resolv/gai_misc.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/gai_notify.c b/resolv/gai_notify.c
index 0af0206b02..9e4bdf6671 100644
--- a/resolv/gai_notify.c
+++ b/resolv/gai_notify.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/gai_sigqueue.c b/resolv/gai_sigqueue.c
index 22aff54ec4..ec2a1e7e8d 100644
--- a/resolv/gai_sigqueue.c
+++ b/resolv/gai_sigqueue.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -32,4 +32,3 @@ __gai_sigqueue (sig, val, caller_pid)
 }
 
 stub_warning (__gai_sigqueue)
-#include <stub-tag.h>
diff --git a/resolv/gai_suspend.c b/resolv/gai_suspend.c
index dc73569807..a61a337857 100644
--- a/resolv/gai_suspend.c
+++ b/resolv/gai_suspend.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/getaddrinfo_a.c b/resolv/getaddrinfo_a.c
index f1070d61e4..4ea803df36 100644
--- a/resolv/getaddrinfo_a.c
+++ b/resolv/getaddrinfo_a.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2006, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
 
diff --git a/resolv/netdb.h b/resolv/netdb.h
index 19bcc87fd8..412343b42b 100644
--- a/resolv/netdb.h
+++ b/resolv/netdb.h
@@ -1,4 +1,4 @@
-  /* Copyright (C) 1996-2004, 2009-2011, 2012 Free Software Foundation, Inc.
+  /* Copyright (C) 1996-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -76,7 +76,7 @@ extern int *__h_errno_location (void) __THROW __attribute__ ((__const__));
 # define NO_ADDRESS	NO_DATA	/* No address, look for MX record.  */
 #endif
 
-#ifdef __USE_XOPEN2K
+#if defined __USE_XOPEN2K || defined __USE_XOPEN_EXTENDED
 /* Highest reserved Internet port number.  */
 # define IPPORT_RESERVED	1024
 #endif
diff --git a/resolv/nss_dns/dns-canon.c b/resolv/nss_dns/dns-canon.c
index bb5650aa64..090ed7dda2 100644
--- a/resolv/nss_dns/dns-canon.c
+++ b/resolv/nss_dns/dns-canon.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2004, 2006, 2008 Free Software Foundation, Inc.
+/* Copyright (C) 2004-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
 
diff --git a/resolv/nss_dns/dns-host.c b/resolv/nss_dns/dns-host.c
index 6b62c05883..af5c166da9 100644
--- a/resolv/nss_dns/dns-host.c
+++ b/resolv/nss_dns/dns-host.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996-2012 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Extended from original form by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -199,6 +199,11 @@ _nss_dns_gethostbyname3_r (const char *name, int af, struct hostent *result,
 	  status = NSS_STATUS_TRYAGAIN;
 	  h_errno = TRY_AGAIN;
 	  break;
+	/* System has run out of file descriptors.  */
+	case EMFILE:
+	case ENFILE:
+	  h_errno = NETDB_INTERNAL;
+	  /* Fall through.  */
 	case ECONNREFUSED:
 	case ETIMEDOUT:
 	  status = NSS_STATUS_UNAVAIL;
@@ -311,14 +316,26 @@ _nss_dns_gethostbyname4_r (const char *name, struct gaih_addrtuple **pat,
 			      &ans2p, &nans2p, &resplen2);
   if (n < 0)
     {
-      if (errno == ESRCH)
+      switch (errno)
 	{
+	case ESRCH:
 	  status = NSS_STATUS_TRYAGAIN;
 	  h_errno = TRY_AGAIN;
+	  break;
+	/* System has run out of file descriptors.  */
+	case EMFILE:
+	case ENFILE:
+	  h_errno = NETDB_INTERNAL;
+	  /* Fall through.  */
+	case ECONNREFUSED:
+	case ETIMEDOUT:
+	  status = NSS_STATUS_UNAVAIL;
+	  break;
+	default:
+	  status = NSS_STATUS_NOTFOUND;
+	  break;
 	}
-      else
-	status = (errno == ECONNREFUSED
-		  ? NSS_STATUS_UNAVAIL : NSS_STATUS_NOTFOUND);
+
       *herrnop = h_errno;
       if (h_errno == TRY_AGAIN)
 	*errnop = EAGAIN;
diff --git a/resolv/nss_dns/dns-network.c b/resolv/nss_dns/dns-network.c
index 4c590babae..5c725b5f67 100644
--- a/resolv/nss_dns/dns-network.c
+++ b/resolv/nss_dns/dns-network.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1996,1997,1998,1999,2002,2004,2007,2008,2011
-	Free Software Foundation, Inc.
+/* Copyright (C) 1996-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Extended from original form by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
diff --git a/resolv/res-state.c b/resolv/res-state.c
index 3a2a4d5649..e53ba51a26 100644
--- a/resolv/res-state.c
+++ b/resolv/res-state.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 97, 98, 2002, 2003, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/resolv/res_hconf.c b/resolv/res_hconf.c
index d23c9b9035..8ac46380a3 100644
--- a/resolv/res_hconf.c
+++ b/resolv/res_hconf.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1993,1995-2006,2007,2009,2011
-	Free Software Foundation, Inc.
+/* Copyright (C) 1993-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger (davidm@azstarnet.com).
 
diff --git a/resolv/res_hconf.h b/resolv/res_hconf.h
index 90c56eb61a..ea207ab668 100644
--- a/resolv/res_hconf.h
+++ b/resolv/res_hconf.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993, 1995-1998, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Mosberger (davidm@azstarnet.com).
 
diff --git a/resolv/res_query.c b/resolv/res_query.c
index abccd4a921..1325f9772d 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -122,6 +122,7 @@ __libc_res_nquery(res_state statp,
 		  int *resplen2)
 {
 	HEADER *hp = (HEADER *) answer;
+	HEADER *hp2;
 	int n, use_malloc = 0;
 	u_int oflags = statp->_flags;
 
@@ -239,26 +240,25 @@ __libc_res_nquery(res_state statp,
 	  /* __libc_res_nsend might have reallocated the buffer.  */
 	  hp = (HEADER *) *answerp;
 
-	/* We simplify the following tests by assigning HP to HP2.  It
-	   is easy to verify that this is the same as ignoring all
-	   tests of HP2.  */
-	HEADER *hp2 = answerp2 ? (HEADER *) *answerp2 : hp;
-
-	if (n < (int) sizeof (HEADER) && answerp2 != NULL
-	    && *resplen2 > (int) sizeof (HEADER))
+	/* We simplify the following tests by assigning HP to HP2 or
+	   vice versa.  It is easy to verify that this is the same as
+	   ignoring all tests of HP or HP2.  */
+	if (answerp2 == NULL || *resplen2 < (int) sizeof (HEADER))
 	  {
-	    /* Special case of partial answer.  */
-	    assert (hp != hp2);
-	    hp = hp2;
+	    hp2 = hp;
 	  }
-	else if (answerp2 != NULL && *resplen2 < (int) sizeof (HEADER)
-		 && n > (int) sizeof (HEADER))
+	else
 	  {
-	    /* Special case of partial answer.  */
-	    assert (hp != hp2);
-	    hp2 = hp;
+	    hp2 = (HEADER *) *answerp2;
+	    if (n < (int) sizeof (HEADER))
+	      {
+	        hp = hp2;
+	      }
 	  }
 
+	/* Make sure both hp and hp2 are defined */
+	assert((hp != NULL) && (hp2 != NULL));
+
 	if ((hp->rcode != NOERROR || ntohs(hp->ancount) == 0)
 	    && (hp2->rcode != NOERROR || ntohs(hp2->ancount) == 0)) {
 #ifdef DEBUG
diff --git a/resolv/tst-leaks.c b/resolv/tst-leaks.c
index 4e47a6a121..7a1183819b 100644
--- a/resolv/tst-leaks.c
+++ b/resolv/tst-leaks.c
@@ -1,5 +1,5 @@
 /* Tests for res_query in libresolv
-   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2003-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/resolv/tst-leaks2.c b/resolv/tst-leaks2.c
index b098e8af5d..582000a899 100644
--- a/resolv/tst-leaks2.c
+++ b/resolv/tst-leaks2.c
@@ -1,5 +1,5 @@
 /* Tests for res_init in libresolv
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or