(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

23 files changed, 436 insertions, 1051 deletions

diff --git a/sysdeps/posix/Makefile b/sysdeps/posix/Makefile
deleted file mode 100644
index b58aa6aadb..0000000000
--- a/sysdeps/posix/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-# These affect the generated bits/stdio_lim.h file.
-L_tmpnam  = 20
-TMP_MAX   = 238328
-L_ctermid = 9
-L_cuserid = 9
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
index f4dc21f8af..a2d466607e 100644
--- a/sysdeps/posix/clock_getres.c
+++ b/sysdeps/posix/clock_getres.c
@@ -1,5 +1,4 @@
-/* clock_getres -- Get the resolution of a POSIX clockid_t.
-   Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001, 2003 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
@@ -25,55 +24,11 @@
 #include <libc-internal.h>
 
 
-#if HP_TIMING_AVAIL
-static long int nsec;		/* Clock frequency of the processor.  */
-
-static inline int
-hp_timing_getres (struct timespec *res)
-{
-  if (__builtin_expect (nsec == 0, 0))
-    {
-      hp_timing_t freq;
-
-      /* This can only happen if we haven't initialized the `nsec'
-	 variable yet.  Do this now.  We don't have to protect this
-	 code against multiple execution since all of them should
-	 lead to the same result.  */
-      freq = __get_clockfreq ();
-      if (__builtin_expect (freq == 0, 0))
-	/* Something went wrong.  */
-	return -1;
-
-      nsec = MAX (UINT64_C (1000000000) / freq, 1);
-    }
-
-  /* Fill in the values.
-     The seconds are always zero (unless we have a 1Hz machine).  */
-  res->tv_sec = 0;
-  res->tv_nsec = nsec;
-
-  return 0;
-}
+#if HP_TIMING_AVAIL && !defined HANDLED_CPUTIME
+/* Clock frequency of the processor.  */
+static long int nsec;
 #endif
 
-static inline int
-realtime_getres (struct timespec *res)
-{
-  long int clk_tck = sysconf (_SC_CLK_TCK);
-
-  if (__builtin_expect (clk_tck != -1, 1))
-    {
-      /* This implementation assumes that the realtime clock has a
-	 resolution higher than 1 second.  This is the case for any
-	 reasonable implementation.  */
-      res->tv_sec = 0;
-      res->tv_nsec = 1000000000 / clk_tck;
-      return 0;
-    }
-
-  return -1;
-}
-
 
 /* Get resolution of clock.  */
 int
@@ -83,33 +38,69 @@ clock_getres (clockid_t clock_id, struct timespec *res)
 
   switch (clock_id)
     {
+#define HANDLE_REALTIME \
+      do {								      \
+	long int clk_tck = sysconf (_SC_CLK_TCK);			      \
+									      \
+	if (__builtin_expect (clk_tck != -1, 1))			      \
+	  {								      \
+	    /* This implementation assumes that the realtime clock has a      \
+	       resolution higher than 1 second.  This is the case for any     \
+	       reasonable implementation.  */				      \
+	    res->tv_sec = 0;						      \
+	    res->tv_nsec = 1000000000 / clk_tck;			      \
+									      \
+	    retval = 0;							      \
+	  }								      \
+      } while (0)
+
 #ifdef SYSDEP_GETRES
       SYSDEP_GETRES;
 #endif
 
 #ifndef HANDLED_REALTIME
     case CLOCK_REALTIME:
-      retval = realtime_getres (res);
+      HANDLE_REALTIME;
       break;
 #endif	/* handled REALTIME */
 
     default:
-#ifdef SYSDEP_GETRES_CPU
-      SYSDEP_GETRES_CPU;
-#endif
 #if HP_TIMING_AVAIL
       if ((clock_id & ((1 << CLOCK_IDFIELD_SIZE) - 1))
-	  == CLOCK_THREAD_CPUTIME_ID)
-	retval = hp_timing_getres (res);
-      else
+	  != CLOCK_THREAD_CPUTIME_ID)
 #endif
-	__set_errno (EINVAL);
-      break;
+	{
+	  __set_errno (EINVAL);
+	  break;
+	}
 
 #if HP_TIMING_AVAIL && !defined HANDLED_CPUTIME
+      /* FALLTHROUGH.  */
     case CLOCK_PROCESS_CPUTIME_ID:
-    case CLOCK_THREAD_CPUTIME_ID:
-      retval = hp_timing_getres (res);
+      {
+	if (__builtin_expect (nsec == 0, 0))
+	  {
+	    hp_timing_t freq;
+
+	    /* This can only happen if we haven't initialized the `freq'
+	       variable yet.  Do this now. We don't have to protect this
+	       code against multiple execution since all of them should
+	       lead to the same result.  */
+	    freq = __get_clockfreq ();
+	    if (__builtin_expect (freq == 0, 0))
+	      /* Something went wrong.  */
+	      break;
+
+	    nsec = MAX (UINT64_C (1000000000) / freq, 1);
+	  }
+
+	/* File in the values.  The seconds are always zero (unless we
+	   have a 1Hz machine).  */
+	res->tv_sec = 0;
+	res->tv_nsec = nsec;
+
+	retval = 0;
+      }
       break;
 #endif
     }
diff --git a/sysdeps/posix/euidaccess.c b/sysdeps/posix/euidaccess.c
index 333870cdde..8a2d826e95 100644
--- a/sysdeps/posix/euidaccess.c
+++ b/sysdeps/posix/euidaccess.c
@@ -1,5 +1,5 @@
 /* Check if effective user id can access file
-   Copyright (C) 1990,1991,1995-2001,2005,2007 Free Software Foundation, Inc.
+   Copyright (C) 1990,91,95,96,97,98,99,2000,01 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
@@ -21,26 +21,26 @@
    Adapted for GNU C library by Roland McGrath.  */
 
 #ifdef HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
 #endif
 
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #ifdef S_IEXEC
-# ifndef S_IXUSR
-#  define S_IXUSR S_IEXEC
-# endif
-# ifndef S_IXGRP
-#  define S_IXGRP (S_IEXEC >> 3)
-# endif
-# ifndef S_IXOTH
-#  define S_IXOTH (S_IEXEC >> 6)
-# endif
+#ifndef S_IXUSR
+#define S_IXUSR S_IEXEC
+#endif
+#ifndef S_IXGRP
+#define S_IXGRP (S_IEXEC >> 3)
+#endif
+#ifndef S_IXOTH
+#define S_IXOTH (S_IEXEC >> 6)
+#endif
 #endif /* S_IEXEC */
 
-#if defined HAVE_UNISTD_H || defined _LIBC
-# include <unistd.h>
+#if defined (HAVE_UNISTD_H) || defined (_LIBC)
+#include <unistd.h>
 #endif
 
 #ifndef _POSIX_VERSION
@@ -55,35 +55,35 @@ gid_t getegid ();
 extern int errno;
 #endif
 #ifndef __set_errno
-# define __set_errno(val) errno = (val)
+#define __set_errno(val) errno = (val)
 #endif
 
-#if defined EACCES && !defined EACCESS
-# define EACCESS EACCES
+#if defined(EACCES) && !defined(EACCESS)
+#define EACCESS EACCES
 #endif
 
 #ifndef F_OK
-# define F_OK 0
-# define X_OK 1
-# define W_OK 2
-# define R_OK 4
+#define F_OK 0
+#define X_OK 1
+#define W_OK 2
+#define R_OK 4
 #endif
 
-#if !defined S_IROTH && defined R_OK
+#if !defined (S_IROTH) && defined (R_OK)
 # define S_IROTH R_OK
 #endif
-#if !defined S_IWOTH && defined W_OK
+#if !defined (S_IWOTH) && defined (W_OK)
 # define S_IWOTH W_OK
 #endif
-#if !defined S_IXOTH && defined X_OK
+#if !defined (S_IXOTH) && defined (X_OK)
 # define S_IXOTH X_OK
 #endif
 
 
 #ifdef _LIBC
 
-# define group_member __group_member
-# define euidaccess __euidaccess
+#define group_member __group_member
+#define euidaccess __euidaccess
 
 #else
 
@@ -93,6 +93,14 @@ static uid_t uid;
 /* The user's real group id. */
 static gid_t gid;
 
+#ifdef HAVE_GETGROUPS
+int group_member ();
+#else
+#define group_member(gid)	0
+#endif
+
+#endif
+
 /* The user's effective user id. */
 static uid_t euid;
 
@@ -102,14 +110,6 @@ static gid_t egid;
 /* Nonzero if UID, GID, EUID, and EGID have valid values. */
 static int have_ids;
 
-# ifdef HAVE_GETGROUPS
-int group_member ();
-# else
-#  define group_member(gid)	0
-# endif
-
-#endif
-
 
 /* Return 0 if the user has permission of type MODE on file PATH;
    otherwise, return -1 and set `errno' to EACCESS.
@@ -126,8 +126,9 @@ euidaccess (path, mode)
   int granted;
 
 #ifdef	_LIBC
-  uid_t euid;
-  gid_t egid;
+  if (! __libc_enable_secure)
+    /* If we are not set-uid or set-gid, access does the same.  */
+    return __access (path, mode);
 #else
   if (have_ids == 0)
     {
@@ -156,12 +157,12 @@ euidaccess (path, mode)
 
 #ifdef	_LIBC
   /* Now we need the IDs.  */
-  euid = __geteuid ();
-  egid = __getegid ();
-
-  if (__getuid () == euid && __getgid () == egid)
-    /* If we are not set-uid or set-gid, access does the same.  */
-    return __access (path, mode);
+  if (have_ids == 0)
+    {
+      have_ids = 1;
+      euid = __geteuid ();
+      egid = __getegid ();
+    }
 #endif
 
   /* The super-user can read and write any file, and execute any file
@@ -171,28 +172,25 @@ euidaccess (path, mode)
     return 0;
 
   if (euid == stats.st_uid)
-    granted = (unsigned int) (stats.st_mode & (mode << 6)) >> 6;
+    granted = (unsigned) (stats.st_mode & (mode << 6)) >> 6;
   else if (egid == stats.st_gid || group_member (stats.st_gid))
-    granted = (unsigned int) (stats.st_mode & (mode << 3)) >> 3;
+    granted = (unsigned) (stats.st_mode & (mode << 3)) >> 3;
   else
     granted = (stats.st_mode & mode);
-  /* XXX Add support for ACLs.  */
   if (granted == mode)
     return 0;
   __set_errno (EACCESS);
   return -1;
 }
 #undef euidaccess
-#undef eaccess
 #ifdef weak_alias
 weak_alias (__euidaccess, euidaccess)
-weak_alias (__euidaccess, eaccess)
 #endif
 
 #ifdef TEST
-# include <stdio.h>
-# include <errno.h>
-# include "error.h"
+#include <stdio.h>
+#include <errno.h>
+#include "error.h"
 
 char *program_name;
 
diff --git a/sysdeps/posix/gai_strerror-strs.h b/sysdeps/posix/gai_strerror-strs.h
deleted file mode 100644
index 19040a5138..0000000000
--- a/sysdeps/posix/gai_strerror-strs.h
+++ /dev/null
@@ -1,17 +0,0 @@
-_S(EAI_ADDRFAMILY, N_("Address family for hostname not supported"))
-_S(EAI_AGAIN, N_("Temporary failure in name resolution"))
-_S(EAI_BADFLAGS, N_("Bad value for ai_flags"))
-_S(EAI_FAIL, N_("Non-recoverable failure in name resolution"))
-_S(EAI_FAMILY, N_("ai_family not supported"))
-_S(EAI_MEMORY, N_("Memory allocation failure"))
-_S(EAI_NODATA, N_("No address associated with hostname"))
-_S(EAI_NONAME, N_("Name or service not known"))
-_S(EAI_SERVICE, N_("Servname not supported for ai_socktype"))
-_S(EAI_SOCKTYPE, N_("ai_socktype not supported"))
-_S(EAI_SYSTEM, N_("System error"))
-_S(EAI_INPROGRESS, N_("Processing request in progress"))
-_S(EAI_CANCELED, N_("Request canceled"))
-_S(EAI_NOTCANCELED, N_("Request not canceled"))
-_S(EAI_ALLDONE, N_("All requests done"))
-_S(EAI_INTR, N_("Interrupted by a signal"))
-_S(EAI_IDN_ENCODE, N_("Parameter string not correctly encoded"))
diff --git a/sysdeps/posix/gai_strerror.c b/sysdeps/posix/gai_strerror.c
index cc13dd4dab..e2835a5674 100644
--- a/sysdeps/posix/gai_strerror.c
+++ b/sysdeps/posix/gai_strerror.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2001, 2002, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2001, 2002, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.
 
@@ -17,54 +17,44 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <libintl.h>
-#include <netdb.h>
-#include <stdint.h>
 #include <stdio.h>
+#include <netdb.h>
+#include <libintl.h>
 
-
-#define MSGSTRFIELD(line) MSGSTRFIELD1 (line)
-#define MSGSTRFIELD1(line) str##line
-static const union msgstr_t
-{
-  struct
+static struct
   {
-#define _S(n, s) char MSGSTRFIELD(__LINE__)[sizeof (s)];
-#include "gai_strerror-strs.h"
-#undef _S
-  };
-  char str[0];
-} msgstr =
+    int code;
+    const char *msg;
+  }
+values[] =
   {
-    {
-#define _S(n, s) s,
-#include "gai_strerror-strs.h"
-#undef _S
-    }
+    { EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
+    { EAI_AGAIN, N_("Temporary failure in name resolution") },
+    { EAI_BADFLAGS, N_("Bad value for ai_flags") },
+    { EAI_FAIL, N_("Non-recoverable failure in name resolution") },
+    { EAI_FAMILY, N_("ai_family not supported") },
+    { EAI_MEMORY, N_("Memory allocation failure") },
+    { EAI_NODATA, N_("No address associated with hostname") },
+    { EAI_NONAME, N_("Name or service not known") },
+    { EAI_SERVICE, N_("Servname not supported for ai_socktype") },
+    { EAI_SOCKTYPE, N_("ai_socktype not supported") },
+    { EAI_SYSTEM, N_("System error") },
+    { EAI_INPROGRESS, N_("Processing request in progress") },
+    { EAI_CANCELED, N_("Request canceled") },
+    { EAI_NOTCANCELED, N_("Request not canceled") },
+    { EAI_ALLDONE, N_("All requests done") },
+    { EAI_INTR, N_("Interrupted by a signal") },
+    { EAI_IDN_ENCODE, N_("Parameter string not correctly encoded") }
   };
-static const struct
-{
-  int16_t code;
-  uint16_t idx;
-} msgidx[] =
-  {
-#define _S(n, s) { n, offsetof (union msgstr_t, MSGSTRFIELD (__LINE__)) },
-#include "gai_strerror-strs.h"
-#undef _S
-  };
-
 
 const char *
 gai_strerror (int code)
 {
-  const char *result = "Unknown error";
-  for (size_t i = 0; i < sizeof (msgidx) / sizeof (msgidx[0]); ++i)
-    if (msgidx[i].code == code)
-      {
-	result = msgstr.str + msgidx[i].idx;
-	break;
-      }
+  size_t i;
+  for (i = 0; i < sizeof (values) / sizeof (values[0]); ++i)
+    if (values[i].code == code)
+      return _(values[i].msg);
 
-  return _(result);
+  return _("Unknown error");
 }
 libc_hidden_def (gai_strerror)
diff --git a/sysdeps/posix/getaddrinfo.c b/sysdeps/posix/getaddrinfo.c
index a7e1459c9c..c9081345ab 100644
--- a/sysdeps/posix/getaddrinfo.c
+++ b/sysdeps/posix/getaddrinfo.c
@@ -36,27 +36,23 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 /* This software is Copyright 1996 by Craig Metz, All Rights Reserved.  */
 
 #include <assert.h>
-#include <ctype.h>
 #include <errno.h>
 #include <ifaddrs.h>
 #include <netdb.h>
 #include <resolv.h>
 #include <stdbool.h>
 #include <stdio.h>
-#include <stdio_ext.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 #include <arpa/inet.h>
-#include <net/if.h>
-#include <netinet/in.h>
 #include <sys/socket.h>
-#include <sys/stat.h>
+#include <netinet/in.h>
 #include <sys/types.h>
 #include <sys/un.h>
 #include <sys/utsname.h>
-#include <unistd.h>
+#include <net/if.h>
 #include <nsswitch.h>
-#include <bits/libc-lock.h>
 #include <not-cancel.h>
 #include <nscd/nscd-client.h>
 #include <nscd/nscd_proto.h>
@@ -72,7 +68,7 @@ extern int __idna_to_unicode_lzlz (const char *input, char **output,
 #define GAIH_EAI        ~(GAIH_OKIFUNSPEC)
 
 #ifndef UNIX_PATH_MAX
-# define UNIX_PATH_MAX  108
+#define UNIX_PATH_MAX  108
 #endif
 
 struct gaih_service
@@ -125,8 +121,7 @@ struct gaih
   {
     int family;
     int (*gaih)(const char *name, const struct gaih_service *service,
-		const struct addrinfo *req, struct addrinfo **pai,
-		unsigned int *naddrs);
+		const struct addrinfo *req, struct addrinfo **pai);
   };
 
 static const struct addrinfo default_hints =
@@ -181,9 +176,9 @@ gaih_local (const char *name, const struct gaih_service *service,
       if (! tp->name[0])
 	{
 	  if (req->ai_socktype)
-	    return GAIH_OKIFUNSPEC | -EAI_SOCKTYPE;
+	    return (GAIH_OKIFUNSPEC | -EAI_SOCKTYPE);
 	  else
-	    return GAIH_OKIFUNSPEC | -EAI_SERVICE;
+	    return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
 	}
     }
 
@@ -201,10 +196,10 @@ gaih_local (const char *name, const struct gaih_service *service,
   (*pai)->ai_addrlen = sizeof (struct sockaddr_un);
   (*pai)->ai_addr = (void *) (*pai) + sizeof (struct addrinfo);
 
-#ifdef _HAVE_SA_LEN
+#if SALEN
   ((struct sockaddr_un *) (*pai)->ai_addr)->sun_len =
     sizeof (struct sockaddr_un);
-#endif /* _HAVE_SA_LEN */
+#endif /* SALEN */
 
   ((struct sockaddr_un *)(*pai)->ai_addr)->sun_family = AF_LOCAL;
   memset(((struct sockaddr_un *)(*pai)->ai_addr)->sun_path, 0, UNIX_PATH_MAX);
@@ -253,10 +248,9 @@ gaih_local (const char *name, const struct gaih_service *service,
 }
 #endif	/* 0 */
 
-
 static int
 gaih_inet_serv (const char *servicename, const struct gaih_typeproto *tp,
-		const struct addrinfo *req, struct gaih_servtuple *st)
+	       const struct addrinfo *req, struct gaih_servtuple *st)
 {
   struct servent *s;
   size_t tmpbuflen = 1024;
@@ -367,11 +361,9 @@ typedef enum nss_status (*nss_getcanonname_r)
    int *errnop, int *h_errnop);
 extern service_user *__nss_hosts_database attribute_hidden;
 
-
 static int
 gaih_inet (const char *name, const struct gaih_service *service,
-	   const struct addrinfo *req, struct addrinfo **pai,
-	   unsigned int *naddrs)
+	   const struct addrinfo *req, struct addrinfo **pai)
 {
   const struct gaih_typeproto *tp = gaih_inet_typeproto;
   struct gaih_servtuple *st = (struct gaih_servtuple *) &nullserv;
@@ -395,17 +387,16 @@ gaih_inet (const char *name, const struct gaih_service *service,
       if (! tp->name[0])
 	{
 	  if (req->ai_socktype)
-	    return GAIH_OKIFUNSPEC | -EAI_SOCKTYPE;
+	    return (GAIH_OKIFUNSPEC | -EAI_SOCKTYPE);
 	  else
-	    return GAIH_OKIFUNSPEC | -EAI_SERVICE;
+	    return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
 	}
     }
 
-  int port = 0;
   if (service != NULL)
     {
       if ((tp->protoflag & GAI_PROTO_NOSERVICE) != 0)
-	return GAIH_OKIFUNSPEC | -EAI_SERVICE;
+	return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
 
       if (service->num < 0)
 	{
@@ -449,46 +440,68 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		  pst = &(newp->next);
 		}
 	      if (st == (struct gaih_servtuple *) &nullserv)
-		return GAIH_OKIFUNSPEC | -EAI_SERVICE;
+		return (GAIH_OKIFUNSPEC | -EAI_SERVICE);
 	    }
 	}
       else
 	{
-	  port = htons (service->num);
-	  goto got_port;
+	  if (req->ai_socktype || req->ai_protocol)
+	    {
+	      st = __alloca (sizeof (struct gaih_servtuple));
+	      st->next = NULL;
+	      st->socktype = tp->socktype;
+	      st->protocol = ((tp->protoflag & GAI_PROTO_PROTOANY)
+			      ? req->ai_protocol : tp->protocol);
+	      st->port = htons (service->num);
+	    }
+	  else
+	    {
+	      /* Neither socket type nor protocol is set.  Return all
+		 socket types we know about.  */
+	      struct gaih_servtuple **lastp = &st;
+	      for (tp = gaih_inet_typeproto + 1; tp->name[0]; ++tp)
+		if ((tp->protoflag & GAI_PROTO_NOSERVICE) == 0)
+		  {
+		    struct gaih_servtuple *newp;
+
+		    newp = __alloca (sizeof (struct gaih_servtuple));
+		    newp->next = NULL;
+		    newp->socktype = tp->socktype;
+		    newp->protocol = tp->protocol;
+		    newp->port = htons (service->num);
+
+		    *lastp = newp;
+		    lastp = &newp->next;
+		  }
+	    }
 	}
     }
+  else if (req->ai_socktype || req->ai_protocol)
+    {
+      st = __alloca (sizeof (struct gaih_servtuple));
+      st->next = NULL;
+      st->socktype = tp->socktype;
+      st->protocol = ((tp->protoflag & GAI_PROTO_PROTOANY)
+		      ? req->ai_protocol : tp->protocol);
+      st->port = 0;
+    }
   else
     {
-    got_port:
-
-      if (req->ai_socktype || req->ai_protocol)
-	{
-	  st = __alloca (sizeof (struct gaih_servtuple));
-	  st->next = NULL;
-	  st->socktype = tp->socktype;
-	  st->protocol = ((tp->protoflag & GAI_PROTO_PROTOANY)
-			  ? req->ai_protocol : tp->protocol);
-	  st->port = port;
-	}
-      else
+      /* Neither socket type nor protocol is set.  Return all socket types
+	 we know about.  */
+      struct gaih_servtuple **lastp = &st;
+      for (++tp; tp->name[0]; ++tp)
 	{
-	  /* Neither socket type nor protocol is set.  Return all socket types
-	     we know about.  */
-	  struct gaih_servtuple **lastp = &st;
-	  for (++tp; tp->name[0]; ++tp)
-	    {
-	      struct gaih_servtuple *newp;
+	  struct gaih_servtuple *newp;
 
-	      newp = __alloca (sizeof (struct gaih_servtuple));
-	      newp->next = NULL;
-	      newp->socktype = tp->socktype;
-	      newp->protocol = tp->protocol;
-	      newp->port = port;
+	  newp = __alloca (sizeof (struct gaih_servtuple));
+	  newp->next = NULL;
+	  newp->socktype = tp->socktype;
+	  newp->protocol = tp->protocol;
+	  newp->port = 0;
 
-	      *lastp = newp;
-	      lastp = &newp->next;
-	    }
+	  *lastp = newp;
+	  lastp = &newp->next;
 	}
     }
 
@@ -533,7 +546,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	{
 	  if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET)
 	    at->family = AF_INET;
-	  else if (req->ai_family == AF_INET6 && (req->ai_flags & AI_V4MAPPED))
+	  else if (req->ai_family == AF_INET6 && req->ai_flags & AI_V4MAPPED)
 	    {
 	      at->addr[3] = at->addr[0];
 	      at->addr[2] = htonl (0xffff);
@@ -544,19 +557,23 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	  else
 	    return -EAI_ADDRFAMILY;
 
+	dupname:
 	  if (req->ai_flags & AI_CANONNAME)
-	    canon = name;
+	    {
+	      canon = strdup (name);
+	      if (canon == NULL)
+		return -EAI_MEMORY;
+	    }
 	}
-      else if (at->family == AF_UNSPEC)
+
+      if (at->family == AF_UNSPEC)
 	{
-	  char *namebuf = (char *) name;
-	  char *scope_delim = strchr (name, SCOPE_DELIMITER);
+	  char *namebuf = strdupa (name);
+	  char *scope_delim;
 
-	  if (__builtin_expect (scope_delim != NULL, 0))
-	    {
-	      namebuf = alloca (scope_delim - name + 1);
-	      *((char *) __mempcpy (namebuf, name, scope_delim - name)) = '\0';
-	    }
+	  scope_delim = strchr (namebuf, SCOPE_DELIMITER);
+	  if (scope_delim != NULL)
+	    *scope_delim = '\0';
 
 	  if (inet_pton (AF_INET6, namebuf, at->addr) > 0)
 	    {
@@ -595,8 +612,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		    }
 		}
 
-	      if (req->ai_flags & AI_CANONNAME)
-		canon = name;
+	      goto dupname;
 	    }
 	}
 
@@ -613,10 +629,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 
 	  /* If we do not have to look for IPv4 and IPv6 together, use
 	     the simple, old functions.  */
-	  if (req->ai_family == AF_INET
-	      || (req->ai_family == AF_INET6
-		  && ((req->ai_flags & AI_V4MAPPED) == 0
-		      || (req->ai_flags & AI_ALL) == 0)))
+	  if (req->ai_family == AF_INET || req->ai_family == AF_INET6)
 	    {
 	      int family = req->ai_family;
 	      size_t tmpbuflen = 512;
@@ -667,7 +680,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 				    h->h_length);
 			  else
 			    {
-			      uint32_t *addr = (uint32_t *) (*pat)->addr;
+			      int32_t *addr = (uint32_t *) (*pat)->addr;
 			      addr[3] = *(uint32_t *) h->h_addr_list[i];
 			      addr[2] = htonl (0xffff);
 			      addr[1] = 0;
@@ -690,7 +703,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		    }
 		  /* We made requests but they turned out no data.
 		     The name is known, though.  */
-		  return GAIH_OKIFUNSPEC | -EAI_NODATA;
+		  return (GAIH_OKIFUNSPEC | -EAI_NODATA);
 		}
 
 	      goto process_list;
@@ -757,7 +770,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		  free (air);
 
 		  if (at->family == AF_UNSPEC)
-		    return GAIH_OKIFUNSPEC | -EAI_NONAME;
+		    return (GAIH_OKIFUNSPEC | -EAI_NONAME);
 
 		  goto process_list;
 		}
@@ -875,8 +888,8 @@ gaih_inet (const char *name, const struct gaih_service *service,
 		     AF_INET6.  Try to find a useful one for both.  */
 		  if (inet6_status == NSS_STATUS_TRYAGAIN)
 		    status = NSS_STATUS_TRYAGAIN;
-		  else if (status == NSS_STATUS_UNAVAIL
-			   && inet6_status != NSS_STATUS_UNAVAIL)
+		  else if (status == NSS_STATUS_UNAVAIL &&
+			   inet6_status != NSS_STATUS_UNAVAIL)
 		    status = inet6_status;
 		}
 
@@ -899,13 +912,13 @@ gaih_inet (const char *name, const struct gaih_service *service,
 
 	      /* We made requests but they turned out no data.  The name
 		 is known, though.  */
-	      return GAIH_OKIFUNSPEC | -EAI_NODATA;
+	      return (GAIH_OKIFUNSPEC | -EAI_NODATA);
 	    }
 	}
 
     process_list:
       if (at->family == AF_UNSPEC)
-	return GAIH_OKIFUNSPEC | -EAI_NONAME;
+	return (GAIH_OKIFUNSPEC | -EAI_NONAME);
     }
   else
     {
@@ -1026,9 +1039,9 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	      }
 	  }
 
-	family = at2->family;
-	if (family == AF_INET6)
+	if (at2->family == AF_INET6)
 	  {
+	    family = AF_INET6;
 	    socklen = sizeof (struct sockaddr_in6);
 
 	    /* If we looked up IPv4 mapped address discard them here if
@@ -1040,17 +1053,17 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	      goto ignore;
 	  }
 	else
-	  socklen = sizeof (struct sockaddr_in);
+	  {
+	    family = AF_INET;
+	    socklen = sizeof (struct sockaddr_in);
+	  }
 
 	for (st2 = st; st2 != NULL; st2 = st2->next)
 	  {
 	    struct addrinfo *ai;
 	    ai = *pai = malloc (sizeof (struct addrinfo) + socklen);
 	    if (ai == NULL)
-	      {
-		free ((char *) canon);
-		return -EAI_MEMORY;
-	      }
+	      return -EAI_MEMORY;
 
 	    ai->ai_flags = req->ai_flags;
 	    ai->ai_family = family;
@@ -1063,15 +1076,11 @@ gaih_inet (const char *name, const struct gaih_service *service,
 	    ai->ai_canonname = (char *) canon;
 	    canon = NULL;
 
-#ifdef _HAVE_SA_LEN
+#if SALEN
 	    ai->ai_addr->sa_len = socklen;
-#endif /* _HAVE_SA_LEN */
+#endif /* SALEN */
 	    ai->ai_addr->sa_family = family;
 
-	    /* In case of an allocation error the list must be NULL
-	       terminated.  */
-	    ai->ai_next = NULL;
-
 	    if (family == AF_INET6)
 	      {
 		struct sockaddr_in6 *sin6p =
@@ -1095,8 +1104,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
 
 	    pai = &(ai->ai_next);
 	  }
-
-	++*naddrs;
+	*pai = NULL;
 
       ignore:
 	at2 = at2->next;
@@ -1105,8 +1113,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
   return 0;
 }
 
-#if 0
-static const struct gaih gaih[] =
+static struct gaih gaih[] =
   {
     { PF_INET6, gaih_inet },
     { PF_INET, gaih_inet },
@@ -1115,7 +1122,6 @@ static const struct gaih gaih[] =
 #endif
     { PF_UNSPEC, NULL }
   };
-#endif
 
 struct sort_result
 {
@@ -1123,7 +1129,6 @@ struct sort_result
   struct sockaddr_storage source_addr;
   uint8_t source_addr_len;
   bool got_source_addr;
-  uint8_t source_addr_flags;
 };
 
 
@@ -1157,7 +1162,7 @@ get_scope (const struct sockaddr_storage *ss)
 	 169.254/16 and 127/8 are link-local.  */
       if ((addr[0] == 169 && addr[1] == 254) || addr[0] == 127)
 	scope = 2;
-      else if (addr[0] == 10 || (addr[0] == 172 && (addr[1] & 0xf0) == 16)
+      else if (addr[0] == 10 || (addr[0] == 172 && addr[1] == 16)
 	       || (addr[0] == 192 && addr[1] == 168))
 	scope = 5;
       else
@@ -1171,96 +1176,59 @@ get_scope (const struct sockaddr_storage *ss)
 }
 
 
-struct prefixentry
+/* XXX The system administrator should be able to install other
+   tables.  We need to make this configurable.  The problem is that
+   the kernel is also involved since it needs the same table.  */
+static const struct prefixlist
 {
   struct in6_addr prefix;
   unsigned int bits;
   int val;
-};
-
-
-/* The label table.  */
-static const struct prefixentry *labels;
-
-/* Default labels.  */
-static const struct prefixentry default_labels[] =
+} default_labels[] =
   {
     /* See RFC 3484 for the details.  */
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0001 } } },
       128, 0 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x2002, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       16, 2 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       96, 3 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0xffff, 0x0000, 0x0000 } } },
       96, 4 },
-    /* The next two entries differ from RFC 3484.  We need to treat
-       IPv6 site-local addresses special because they are never NATed,
-       unlike site-locale IPv4 addresses.  If this would not happen, on
-       machines which have only IPv4 and IPv6 site-local addresses, the
-       sorting would prefer the IPv6 site-local addresses, causing
-       unnecessary delays when trying to connect to a global IPv6 address
-       through a site-local IPv6 address.  */
-    { { .in6_u
-	= { .u6_addr8 = { 0xfe, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-      10, 5 },
-    { { .in6_u
-	= { .u6_addr8 = { 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-      7, 6 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x20, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
-      32, 7 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       0, 1 }
   };
 
 
-/* The precedence table.  */
-static const struct prefixentry *precedence;
-
-/* The default precedences.  */
-static const struct prefixentry default_precedence[] =
+static const struct prefixlist default_precedence[] =
   {
     /* See RFC 3484 for the details.  */
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0001 } } },
       128, 50 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x2002, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       16, 30 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       96, 20 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0xffff, 0x0000, 0x0000 } } },
       96, 10 },
-    { { .in6_u
-	= { .u6_addr8 = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
+    { { .in6_u = { .u6_addr16 = { 0x0000, 0x0000, 0x0000, 0x0000,
+				  0x0000, 0x0000, 0x0000, 0x0000 } } },
       0, 40 }
   };
 
 
 static int
-match_prefix (const struct sockaddr_storage *ss,
-	      const struct prefixentry *list, int default_val)
+match_prefix (const struct sockaddr_storage *ss, const struct prefixlist *list,
+	      int default_val)
 {
   int idx;
   struct sockaddr_in6 in6_mem;
@@ -1295,10 +1263,10 @@ match_prefix (const struct sockaddr_storage *ss,
   for (idx = 0; ; ++idx)
     {
       unsigned int bits = list[idx].bits;
-      const uint8_t *mask = list[idx].prefix.s6_addr;
-      const uint8_t *val = in6->sin6_addr.s6_addr;
+      uint8_t *mask = list[idx].prefix.s6_addr;
+      uint8_t *val = in6->sin6_addr.s6_addr;
 
-      while (bits >= 8)
+      while (bits > 8)
 	{
 	  if (*mask != *val)
 	    break;
@@ -1324,7 +1292,7 @@ static int
 get_label (const struct sockaddr_storage *ss)
 {
   /* XXX What is a good default value?  */
-  return match_prefix (ss, labels, INT_MAX);
+  return match_prefix (ss, default_labels, INT_MAX);
 }
 
 
@@ -1332,20 +1300,7 @@ static int
 get_precedence (const struct sockaddr_storage *ss)
 {
   /* XXX What is a good default value?  */
-  return match_prefix (ss, precedence, 0);
-}
-
-
-/* Find last bit set in a word.  */
-static int
-fls (uint32_t a)
-{
-  uint32_t mask;
-  int n = 0;
-  for (n = 0, mask = 1 << 31; n < 32; mask >>= 1, ++n)
-    if ((a & mask) != 0)
-      break;
-  return n;
+  return match_prefix (ss, default_precedence, 0);
 }
 
 
@@ -1383,27 +1338,11 @@ rfc3484_sort (const void *p1, const void *p2)
     }
 
 
-  /* Rule 3: Avoid deprecated addresses.  */
-  if (a1->got_source_addr)
-    {
-      if (!(a1->source_addr_flags & in6ai_deprecated)
-	  && (a2->source_addr_flags & in6ai_deprecated))
-	return -1;
-      if ((a1->source_addr_flags & in6ai_deprecated)
-	  && !(a2->source_addr_flags & in6ai_deprecated))
-	return 1;
-    }
+  /* Rule 3: Avoid deprecated addresses.
+     That's something only the kernel could decide.  */
 
-  /* Rule 4: Prefer home addresses.  */
-  if (a1->got_source_addr)
-    {
-      if (!(a1->source_addr_flags & in6ai_homeaddress)
-	  && (a2->source_addr_flags & in6ai_homeaddress))
-	return 1;
-      if ((a1->source_addr_flags & in6ai_homeaddress)
-	  && !(a2->source_addr_flags & in6ai_homeaddress))
-	return -1;
-    }
+  /* Rule 4: Prefer home addresses.
+     Another thing only the kernel can decide.  */
 
   /* Rule 5: Prefer matching label.  */
   if (a1->got_source_addr)
@@ -1435,18 +1374,8 @@ rfc3484_sort (const void *p1, const void *p2)
     return 1;
 
 
-  /* Rule 7: Prefer native transport.  */
-  if (a1->got_source_addr)
-    {
-      if (!(a1->source_addr_flags & in6ai_temporary)
-	  && (a2->source_addr_flags & in6ai_temporary))
-	return -1;
-      if ((a1->source_addr_flags & in6ai_temporary)
-	  && !(a2->source_addr_flags & in6ai_temporary))
-	return 1;
-
-      /* XXX Do we need to check anything beside temporary addresses?  */
-    }
+  /* Rule 7: Prefer native transport.
+     XXX How to recognize tunnels?  */
 
 
   /* Rule 8: Prefer smaller scope.  */
@@ -1478,10 +1407,8 @@ rfc3484_sort (const void *p1, const void *p2)
 	  in2_dst = (struct sockaddr_in *) a2->dest_addr->ai_addr;
 	  in2_src = (struct sockaddr_in *) &a2->source_addr;
 
-	  bit1 = fls (ntohl (in1_dst->sin_addr.s_addr
-			     ^ in1_src->sin_addr.s_addr));
-	  bit2 = fls (ntohl (in2_dst->sin_addr.s_addr
-			     ^ in2_src->sin_addr.s_addr));
+	  bit1 = ffs (in1_dst->sin_addr.s_addr ^ in1_src->sin_addr.s_addr);
+	  bit2 = ffs (in2_dst->sin_addr.s_addr ^ in2_src->sin_addr.s_addr);
 	}
       else if (a1->dest_addr->ai_family == PF_INET6)
 	{
@@ -1508,10 +1435,10 @@ rfc3484_sort (const void *p1, const void *p2)
 
 	  if (i < 4)
 	    {
-	      bit1 = fls (ntohl (in1_dst->sin6_addr.s6_addr32[i]
-				 ^ in1_src->sin6_addr.s6_addr32[i]));
-	      bit2 = fls (ntohl (in2_dst->sin6_addr.s6_addr32[i]
-				 ^ in2_src->sin6_addr.s6_addr32[i]));
+	      bit1 = ffs (in1_dst->sin6_addr.s6_addr32[i]
+			  ^ in1_src->sin6_addr.s6_addr32[i]);
+	      bit2 = ffs (in2_dst->sin6_addr.s6_addr32[i]
+			  ^ in2_src->sin6_addr.s6_addr32[i]);
 	    }
 	}
 
@@ -1527,341 +1454,14 @@ rfc3484_sort (const void *p1, const void *p2)
 }
 
 
-static int
-in6aicmp (const void *p1, const void *p2)
-{
-  struct in6addrinfo *a1 = (struct in6addrinfo *) p1;
-  struct in6addrinfo *a2 = (struct in6addrinfo *) p2;
-
-  return memcmp (a1->addr, a2->addr, sizeof (a1->addr));
-}
-
-
-/* Name of the config file for RFC 3484 sorting (for now).  */
-#define GAICONF_FNAME "/etc/gai.conf"
-
-
-/* Nozero if we are supposed to reload the config file automatically
-   whenever it changed.  */
-static int gaiconf_reload_flag;
-
-/* Last modification time.  */
-static struct timespec gaiconf_mtime;
-
-
-libc_freeres_fn(fini)
-{
-  if (labels != default_labels)
-    {
-      const struct prefixentry *old = labels;
-      labels = default_labels;
-      free ((void *) old);
-    }
-
-  if (precedence != default_precedence)
-    {
-      const struct prefixentry *old = precedence;
-      precedence = default_precedence;
-      free ((void *) old);
-    }
-}
-
-
-struct prefixlist
-{
-  struct prefixentry entry;
-  struct prefixlist *next;
-};
-
-
-static void
-free_prefixlist (struct prefixlist *list)
-{
-  while (list != NULL)
-    {
-      struct prefixlist *oldp = list;
-      list = list->next;
-      free (oldp);
-    }
-}
-
-
-static int
-prefixcmp (const void *p1, const void *p2)
-{
-  const struct prefixentry *e1 = (const struct prefixentry *) p1;
-  const struct prefixentry *e2 = (const struct prefixentry *) p2;
-
-  if (e1->bits < e2->bits)
-    return 1;
-  if (e1->bits == e2->bits)
-    return 0;
-  return -1;
-}
-
-
-static void
-gaiconf_init (void)
-{
-  struct prefixlist *labellist = NULL;
-  size_t nlabellist = 0;
-  bool labellist_nullbits = false;
-  struct prefixlist *precedencelist = NULL;
-  size_t nprecedencelist = 0;
-  bool precedencelist_nullbits = false;
-
-  FILE *fp = fopen (GAICONF_FNAME, "rc");
-  if (fp != NULL)
-    {
-      struct stat64 st;
-      if (__fxstat64 (_STAT_VER, fileno (fp), &st) != 0)
-	{
-	  fclose (fp);
-	  goto no_file;
-	}
-
-      char *line = NULL;
-      size_t linelen = 0;
-
-      __fsetlocking (fp, FSETLOCKING_BYCALLER);
-
-      while (!feof_unlocked (fp))
-	{
-	  ssize_t n = __getline (&line, &linelen, fp);
-	  if (n <= 0)
-	    break;
-
-	  /* Handle comments.  No escaping possible so this is easy.  */
-	  char *cp = strchr (line, '#');
-	  if (cp != NULL)
-	    *cp = '\0';
-
-	  cp = line;
-	  while (isspace (*cp))
-	    ++cp;
-
-	  char *cmd = cp;
-	  while (*cp != '\0' && !isspace (*cp))
-	    ++cp;
-	  size_t cmdlen = cp - cmd;
-
-	  if (*cp != '\0')
-	    *cp++ = '\0';
-	  while (isspace (*cp))
-	    ++cp;
-
-	  char *val1 = cp;
-	  while (*cp != '\0' && !isspace (*cp))
-	    ++cp;
-	  size_t val1len = cp - cmd;
-
-	  /* We always need at least two values.  */
-	  if (val1len == 0)
-	    continue;
-
-	  if (*cp != '\0')
-	    *cp++ = '\0';
-	  while (isspace (*cp))
-	    ++cp;
-
-	  char *val2 = cp;
-	  while (*cp != '\0' && !isspace (*cp))
-	    ++cp;
-
-	  /*  Ignore the rest of the line.  */
-	  *cp = '\0';
-
-	  struct prefixlist **listp;
-	  size_t *lenp;
-	  bool *nullbitsp;
-	  switch (cmdlen)
-	    {
-	    case 5:
-	      if (strcmp (cmd, "label") == 0)
-		{
-		  struct in6_addr prefix;
-		  unsigned long int bits;
-		  unsigned long int val;
-		  char *endp;
-
-		  listp = &labellist;
-		  lenp = &nlabellist;
-		  nullbitsp = &labellist_nullbits;
-
-		new_elem:
-		  bits = 128;
-		  __set_errno (0);
-		  cp = strchr (val1, '/');
-		  if (cp != NULL)
-		    *cp++ = '\0';
-		  if (inet_pton (AF_INET6, val1, &prefix)
-		      && (cp == NULL
-			  || (bits = strtoul (cp, &endp, 10)) != ULONG_MAX
-			  || errno != ERANGE)
-		      && *endp == '\0'
-		      && bits <= INT_MAX
-		      && ((val = strtoul (val2, &endp, 10)) != ULONG_MAX
-			  || errno != ERANGE)
-		      && *endp == '\0'
-		      && val <= INT_MAX)
-		    {
-		      struct prefixlist *newp = malloc (sizeof (*newp));
-		      if (newp == NULL)
-			{
-			  free (line);
-			  fclose (fp);
-			  goto no_file;
-			}
-
-		      memcpy (&newp->entry.prefix, &prefix, sizeof (prefix));
-		      newp->entry.bits = bits;
-		      newp->entry.val = val;
-		      newp->next = *listp;
-		      *listp = newp;
-		      ++*lenp;
-		      *nullbitsp |= bits == 0;
-		    }
-		}
-	      break;
-
-	    case 6:
-	      if (strcmp (cmd, "reload") == 0)
-		gaiconf_reload_flag = strcmp (val1, "yes") == 0;
-	      break;
-
-	    case 10:
-	      if (strcmp (cmd, "precedence") == 0)
-		{
-		  listp = &precedencelist;
-		  lenp = &nprecedencelist;
-		  nullbitsp = &precedencelist_nullbits;
-		  goto new_elem;
-		}
-	      break;
-	    }
-	}
-
-      free (line);
-
-      fclose (fp);
-
-      /* Create the array for the labels.  */
-      struct prefixentry *new_labels;
-      if (nlabellist > 0)
-	{
-	  if (!labellist_nullbits)
-	    ++nlabellist;
-	  new_labels = malloc (nlabellist * sizeof (*new_labels));
-	  if (new_labels == NULL)
-	    goto no_file;
-
-	  int i = nlabellist;
-	  if (!labellist_nullbits)
-	    {
-	      --i;
-	      memset (&new_labels[i].prefix, '\0', sizeof (struct in6_addr));
-	      new_labels[i].bits = 0;
-	      new_labels[i].val = 1;
-	    }
-
-	  struct prefixlist *l = labellist;
-	  while (i-- > 0)
-	    {
-	      new_labels[i] = l->entry;
-	      l = l->next;
-	    }
-	  free_prefixlist (labellist);
-
-	  /* Sort the entries so that the most specific ones are at
-	     the beginning.  */
-	  qsort (new_labels, nlabellist, sizeof (*new_labels), prefixcmp);
-	}
-      else
-	new_labels = (struct prefixentry *) default_labels;
-
-      struct prefixentry *new_precedence;
-      if (nprecedencelist > 0)
-	{
-	  if (!precedencelist_nullbits)
-	    ++nprecedencelist;
-	  new_precedence = malloc (nprecedencelist * sizeof (*new_precedence));
-	  if (new_precedence == NULL)
-	    {
-	      if (new_labels != default_labels)
-		free (new_labels);
-	      goto no_file;
-	    }
-
-	  int i = nprecedencelist;
-	  if (!precedencelist_nullbits)
-	    {
-	      --i;
-	      memset (&new_precedence[i].prefix, '\0',
-		      sizeof (struct in6_addr));
-	      new_precedence[i].bits = 0;
-	      new_precedence[i].val = 40;
-	    }
-
-	  struct prefixlist *l = precedencelist;
-	  while (i-- > 0)
-	    {
-	      new_precedence[i] = l->entry;
-	      l = l->next;
-	    }
-	  free_prefixlist (precedencelist);
-
-	  /* Sort the entries so that the most specific ones are at
-	     the beginning.  */
-	  qsort (new_precedence, nprecedencelist, sizeof (*new_labels),
-		 prefixcmp);
-	}
-      else
-	new_precedence = (struct prefixentry *) default_precedence;
-
-      /* Now we are ready to replace the values.  */
-      const struct prefixentry *old = labels;
-      labels = new_labels;
-      if (old != default_labels)
-	free ((void *) old);
-
-      old = precedence;
-      precedence = new_precedence;
-      if (old != default_precedence)
-	free ((void *) old);
-
-      gaiconf_mtime = st.st_mtim;
-    }
-  else
-    {
-    no_file:
-      free_prefixlist (labellist);
-      free_prefixlist (precedencelist);
-
-      /* If we previously read the file but it is gone now, free the
-	 old data and use the builtin one.  Leave the reload flag
-	 alone.  */
-      fini ();
-    }
-}
-
-
-static void
-gaiconf_reload (void)
-{
-  struct stat64 st;
-  if (__xstat64 (_STAT_VER, GAICONF_FNAME, &st) != 0
-      || memcmp (&st.st_mtim, &gaiconf_mtime, sizeof (gaiconf_mtime)) != 0)
-    gaiconf_init ();
-}
-
-
 int
 getaddrinfo (const char *name, const char *service,
 	     const struct addrinfo *hints, struct addrinfo **pai)
 {
-  int i = 0, last_i = 0;
+  int i = 0, j = 0, last_i = 0;
   int nresults = 0;
-  struct addrinfo *p = NULL;
+  struct addrinfo *p = NULL, **end;
+  struct gaih *g = gaih, *pg = NULL;
   struct gaih_service gaih_service, *pservice;
   struct addrinfo local_hints;
 
@@ -1889,23 +1489,15 @@ getaddrinfo (const char *name, const char *service,
   if ((hints->ai_flags & AI_CANONNAME) && name == NULL)
     return EAI_BADFLAGS;
 
-  struct in6addrinfo *in6ai = NULL;
-  size_t in6ailen;
-  bool seen_ipv4 = false;
-  bool seen_ipv6 = false;
-  /* We might need information about what kind of interfaces are available.
-     But even if AI_ADDRCONFIG is not used, if the user requested IPv6
-     addresses we have to know whether an address is deprecated or
-     temporary.  */
-  if ((hints->ai_flags & AI_ADDRCONFIG) || hints->ai_family == PF_UNSPEC
-      || hints->ai_family == PF_INET6)
-    /* Determine whether we have IPv4 or IPv6 interfaces or both.  We
-       cannot cache the results since new interfaces could be added at
-       any time.  */
-    __check_pf (&seen_ipv4, &seen_ipv6, &in6ai, &in6ailen);
-
   if (hints->ai_flags & AI_ADDRCONFIG)
     {
+      /* Determine whether we have IPv4 or IPv6 interfaces or both.
+	 We cannot cache the results since new interfaces could be
+	 added at any time.  */
+      bool seen_ipv4;
+      bool seen_ipv6;
+      __check_pf (&seen_ipv4, &seen_ipv6);
+
       /* Now make a decision on what we return, if anything.  */
       if (hints->ai_family == PF_UNSPEC && (seen_ipv4 || seen_ipv6))
 	{
@@ -1920,11 +1512,8 @@ getaddrinfo (const char *name, const char *service,
 	}
       else if ((hints->ai_family == PF_INET && ! seen_ipv4)
 	       || (hints->ai_family == PF_INET6 && ! seen_ipv6))
-	{
-	  /* We cannot possibly return a valid answer.  */
-	  free (in6ai);
-	  return EAI_NONAME;
-	}
+	/* We cannot possibly return a valid answer.  */
+	return EAI_NONAME;
     }
 
   if (service && service[0])
@@ -1935,10 +1524,7 @@ getaddrinfo (const char *name, const char *service,
       if (*c != '\0')
 	{
 	  if (hints->ai_flags & AI_NUMERICSERV)
-	    {
-	      free (in6ai);
-	      return EAI_NONAME;
-	    }
+	    return EAI_NONAME;
 
 	  gaih_service.num = -1;
 	}
@@ -1948,21 +1534,11 @@ getaddrinfo (const char *name, const char *service,
   else
     pservice = NULL;
 
-  struct addrinfo **end;
   if (pai)
     end = &p;
   else
     end = NULL;
 
-  unsigned int naddrs = 0;
-#if 0
-  /* If we would support more protocols than just IPv4 and IPv6 we
-     would iterate over a table with appropriate callback functions.
-     Since we currently only handle IPv4 and IPv6 this is not
-     necessary.  */
-  const struct gaih *g = gaih;
-  const struct gaih *pg = NULL;
-  int j = 0;
   while (g->gaih)
     {
       if (hints->ai_family == g->family || hints->ai_family == AF_UNSPEC)
@@ -1971,7 +1547,7 @@ getaddrinfo (const char *name, const char *service,
 	  if (pg == NULL || pg->gaih != g->gaih)
 	    {
 	      pg = g;
-	      i = g->gaih (name, pservice, hints, end, &naddrs);
+	      i = g->gaih (name, pservice, hints, end);
 	      if (i != 0)
 		{
 		  /* EAI_NODATA is a more specific result as it says that
@@ -1986,7 +1562,6 @@ getaddrinfo (const char *name, const char *service,
 		    }
 
 		  freeaddrinfo (p);
-		  free (in6ai);
 
 		  return -(i & GAIH_EAI);
 		}
@@ -2002,56 +1577,16 @@ getaddrinfo (const char *name, const char *service,
     }
 
   if (j == 0)
-    {
-      free (in6ai);
-      return EAI_FAMILY;
-    }
-#else
-  if (hints->ai_family == AF_UNSPEC || hints->ai_family == AF_INET
-      || hints->ai_family == AF_INET6)
-    {
-      last_i = gaih_inet (name, pservice, hints, end, &naddrs);
-      if (last_i != 0)
-	{
-	  freeaddrinfo (p);
-	  free (in6ai);
+    return EAI_FAMILY;
 
-	  return -(last_i & GAIH_EAI);
-	}
-      if (end)
-	while (*end)
-	  {
-	    end = &((*end)->ai_next);
-	    ++nresults;
-	  }
-    }
-  else
-    {
-      free (in6ai);
-      return EAI_FAMILY;
-    }
-#endif
-
-  if (naddrs > 1)
+  if (nresults > 1)
     {
-      /* Read the config file.  */
-      __libc_once_define (static, once);
-      __typeof (once) old_once = once;
-      __libc_once (once, gaiconf_init);
-      if (old_once && gaiconf_reload_flag)
-	gaiconf_reload ();
-
       /* Sort results according to RFC 3484.  */
       struct sort_result results[nresults];
       struct addrinfo *q;
       struct addrinfo *last = NULL;
       char *canonname = NULL;
 
-      /* If we have information about deprecated and temporary address
-	 sort the array now.  */
-      if (in6ai != NULL)
-	qsort (in6ai, in6ailen, sizeof (*in6ai), in6aicmp);
-
       for (i = 0, q = p; q != NULL; ++i, last = q, q = q->ai_next)
 	{
 	  results[i].dest_addr = q;
@@ -2066,12 +1601,9 @@ getaddrinfo (const char *name, const char *service,
 		      results[i - 1].source_addr_len);
 	      results[i].source_addr_len = results[i - 1].source_addr_len;
 	      results[i].got_source_addr = results[i - 1].got_source_addr;
-	      results[i].source_addr_flags = results[i - 1].source_addr_flags;
 	    }
 	  else
 	    {
-	      results[i].source_addr_flags = 0;
-
 	      /* We overwrite the type with SOCK_DGRAM since we do not
 		 want connect() to connect to the other side.  If we
 		 cannot determine the source address remember this
@@ -2086,20 +1618,6 @@ getaddrinfo (const char *name, const char *service,
 		{
 		  results[i].source_addr_len = sl;
 		  results[i].got_source_addr = true;
-
-		  if (q->ai_family == PF_INET6 && in6ai != NULL)
-		    {
-		      /* See whether the address is the list of deprecated
-			 or temporary addresses.  */
-		      struct in6addrinfo tmp;
-		      memcpy (tmp.addr, q->ai_addr, IN6ADDRSZ);
-
-		      struct in6addrinfo *found
-			= bsearch (&tmp, in6ai, in6ailen, sizeof (*in6ai),
-				   in6aicmp);
-		      if (found != NULL)
-			results[i].source_addr_flags = found->flags;
-		    }
 		}
 	      else
 		/* Just make sure that if we have to process the same
@@ -2133,8 +1651,6 @@ getaddrinfo (const char *name, const char *service,
       p->ai_canonname = canonname;
     }
 
-  free (in6ai);
-
   if (p)
     {
       *pai = p;
diff --git a/sysdeps/posix/gettimeofday.c b/sysdeps/posix/gettimeofday.c
index bda40f48ec..28f75b0bcc 100644
--- a/sysdeps/posix/gettimeofday.c
+++ b/sysdeps/posix/gettimeofday.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,1992,1994-1997,2002,2005 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 94, 95, 96, 97, 2002 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
@@ -20,6 +20,12 @@
 #include <time.h>
 #include <sys/time.h>
 
+#ifndef HAVE_GNU_LD
+#define __daylight	daylight
+#define __timezone	timezone
+#define __tzname	tzname
+#endif
+
 #undef __gettimeofday
 
 /* Get the current time of day and timezone information,
diff --git a/sysdeps/posix/libc_fatal.c b/sysdeps/posix/libc_fatal.c
index c611b84363..9dfac68006 100644
--- a/sysdeps/posix/libc_fatal.c
+++ b/sysdeps/posix/libc_fatal.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1993,1994,1995,1997,2000,2004,2005
-	Free Software Foundation, Inc.
+/* Copyright (C) 1993,1994,1995,1997,2000,2004 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
@@ -74,7 +73,7 @@ __libc_message (int do_abort, const char *fmt, ...)
   while (*cp != '\0')
     {
       /* Find the next "%s" or the end of the string.  */
-      const char *next = cp;
+      char *next = cp;
       while (next[0] != '%' || next[1] != 's')
 	{
 	  next = __strchrnul (next + 1, '%');
@@ -115,7 +114,7 @@ __libc_message (int do_abort, const char *fmt, ...)
 
       for (int cnt = nlist - 1; cnt >= 0; --cnt)
 	{
-	  iov[cnt].iov_base = (char *) list->str;
+	  iov[cnt].iov_base = list->str;
 	  iov[cnt].iov_len = list->len;
 	  total += list->len;
 	  list = list->next;
diff --git a/sysdeps/posix/pause.c b/sysdeps/posix/pause.c
index 538c186ec0..8639e684f4 100644
--- a/sysdeps/posix/pause.c
+++ b/sysdeps/posix/pause.c
@@ -1,5 +1,5 @@
 /* pause -- suspend the process until a signal arrives.  POSIX.1 version.
-   Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2003 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
@@ -23,7 +23,6 @@
 
 /* Suspend the process until a signal arrives.
    This always returns -1 and sets errno to EINTR.  */
-
 int
 __libc_pause (void)
 {
@@ -40,18 +39,3 @@ __libc_pause (void)
 weak_alias (__libc_pause, pause)
 
 LIBC_CANCEL_HANDLED ();		/* sigsuspend handles our cancellation.  */
-
-#ifndef NO_CANCELLATION
-# include <not-cancel.h>
-
-int
-__pause_nocancel (void)
-{
-  sigset_t set;
-
-  __sigemptyset (&set);
-  __sigprocmask (SIG_BLOCK, NULL, &set);
-
-  return sigsuspend_not_cancel (&set);
-}
-#endif
diff --git a/sysdeps/posix/posix_fallocate.c b/sysdeps/posix/posix_fallocate.c
index cbaeb49487..838e7a004a 100644
--- a/sysdeps/posix/posix_fallocate.c
+++ b/sysdeps/posix/posix_fallocate.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2003 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
@@ -29,8 +29,9 @@ posix_fallocate (int fd, __off_t offset, __off_t len)
 {
   struct stat64 st;
   struct statfs f;
+  size_t step;
 
-  /* `off_t' is a signed type.  Therefore we can determine whether
+  /* `off_t´ is a signed type.  Therefore we can determine whether
      OFFSET + LEN is too large if it is a negative value.  */
   if (offset < 0 || len < 0)
     return EINVAL;
@@ -46,48 +47,24 @@ posix_fallocate (int fd, __off_t offset, __off_t len)
   if (! S_ISREG (st.st_mode))
     return ENODEV;
 
-  if (len == 0)
-    {
-      if (st.st_size < offset)
-	{
-	  int ret = __ftruncate (fd, offset);
-
-	  if (ret != 0)
-	    ret = errno;
-	  return ret;
-	}
-      return 0;
-    }
-
   /* We have to know the block size of the filesystem to get at least some
      sort of performance.  */
   if (__fstatfs (fd, &f) != 0)
     return errno;
 
-  /* Try to play safe.  */
-  if (f.f_bsize == 0)
-    f.f_bsize = 512;
+  /* Align OFFSET to block size and adjust LEN.  */
+  step = (offset + f.f_bsize - 1) % ~f.f_bsize;
+  offset += step;
 
   /* Write something to every block.  */
-  for (offset += (len - 1) % f.f_bsize; len > 0; offset += f.f_bsize)
+  while (len > step)
     {
-      len -= f.f_bsize;
-
-      if (offset < st.st_size)
-	{
-	  unsigned char c;
-	  ssize_t rsize = __pread (fd, &c, 1, offset);
-
-	  if (rsize < 0)
-	    return errno;
-	  /* If there is a non-zero byte, the block must have been
-	     allocated already.  */
-	  else if (rsize == 1 && c != 0)
-	    continue;
-	}
+      len -= step;
 
       if (__pwrite (fd, "", 1, offset) != 1)
 	return errno;
+
+      offset += step;
     }
 
   return 0;
diff --git a/sysdeps/posix/posix_fallocate64.c b/sysdeps/posix/posix_fallocate64.c
index 64ca9ae83d..0eba4161a5 100644
--- a/sysdeps/posix/posix_fallocate64.c
+++ b/sysdeps/posix/posix_fallocate64.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2003, 2004 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
@@ -29,8 +29,9 @@ __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len)
 {
   struct stat64 st;
   struct statfs64 f;
+  size_t step;
 
-  /* `off64_t' is a signed type.  Therefore we can determine whether
+  /* `off64_t´ is a signed type.  Therefore we can determine whether
      OFFSET + LEN is too large if it is a negative value.  */
   if (offset < 0 || len < 0)
     return EINVAL;
@@ -46,48 +47,24 @@ __posix_fallocate64_l64 (int fd, __off64_t offset, __off64_t len)
   if (! S_ISREG (st.st_mode))
     return ENODEV;
 
-  if (len == 0)
-    {
-      if (st.st_size < offset)
-	{
-	  int ret = __ftruncate64 (fd, offset);
-
-	  if (ret != 0)
-	    ret = errno;
-	  return ret;
-	}
-      return 0;
-    }
-
   /* We have to know the block size of the filesystem to get at least some
      sort of performance.  */
   if (__fstatfs64 (fd, &f) != 0)
     return errno;
 
-  /* Try to play safe.  */
-  if (f.f_bsize == 0)
-    f.f_bsize = 512;
+  /* Align OFFSET to block size and adjust LEN.  */
+  step = (offset + f.f_bsize - 1) % ~f.f_bsize;
+  offset += step;
 
   /* Write something to every block.  */
-  for (offset += (len - 1) % f.f_bsize; len > 0; offset += f.f_bsize)
+  while (len > step)
     {
-      len -= f.f_bsize;
-
-      if (offset < st.st_size)
-	{
-	  unsigned char c;
-	  ssize_t rsize = __libc_pread64 (fd, &c, 1, offset);
-
-	  if (rsize < 0)
-	    return errno;
-	  /* If there is a non-zero byte, the block must have been
-	     allocated already.  */
-	  else if (rsize == 1 && c != 0)
-	    continue;
-	}
-
-      if (__libc_pwrite64 (fd, "", 1, offset) != 1)
+      len -= step;
+
+      if (__pwrite64 (fd, "", 1, offset) != 1)
 	return errno;
+
+      offset += step;
     }
 
   return 0;
diff --git a/sysdeps/posix/profil.c b/sysdeps/posix/profil.c
index 281b53bf6a..3c2e1dfa07 100644
--- a/sysdeps/posix/profil.c
+++ b/sysdeps/posix/profil.c
@@ -1,6 +1,5 @@
 /* Low-level statistical profiling support function.  Mostly POSIX.1 version.
-   Copyright (C) 1996,1997,1998,2002,2004,2005,2006
-	Free Software Foundation, Inc.
+   Copyright (C) 1996,97,98,2002, 2004 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
@@ -23,11 +22,10 @@
 #include <errno.h>
 #include <signal.h>
 #include <sys/time.h>
-#include <libc-internal.h>
 
 #ifndef SIGPROF
 
-#include <gmon/profil.c>
+#include <sysdeps/generic/profil.c>
 
 #else
 
@@ -112,7 +110,7 @@ __profil (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
     return -1;
 
   timer.it_value.tv_sec = 0;
-  timer.it_value.tv_usec = 1000000 / __profile_frequency ();
+  timer.it_value.tv_usec = 1;
   timer.it_interval = timer.it_value;
   return __setitimer (ITIMER_PROF, &timer, otimer_ptr);
 }
diff --git a/sysdeps/posix/shm_open.c b/sysdeps/posix/shm_open.c
index 0a657fadfa..b773d40db0 100644
--- a/sysdeps/posix/shm_open.c
+++ b/sysdeps/posix/shm_open.c
@@ -1,5 +1,5 @@
 /* shm_open -- open a POSIX shared memory object.  Generic POSIX file version.
-   Copyright (C) 2001,2002,2005 Free Software Foundation, Inc.
+   Copyright (C) 2001,02 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
@@ -20,7 +20,7 @@
 #include <unistd.h>
 
 #if ! _POSIX_MAPPED_FILES
-#include <rt/shm_open.c>
+#include <sysdeps/generic/shm_open.c>
 
 #else
 
diff --git a/sysdeps/posix/shm_unlink.c b/sysdeps/posix/shm_unlink.c
index 18ca416e16..b67240f838 100644
--- a/sysdeps/posix/shm_unlink.c
+++ b/sysdeps/posix/shm_unlink.c
@@ -1,5 +1,5 @@
 /* shm_unlink -- remove a POSIX shared memory object.  Generic POSIX version.
-   Copyright (C) 2001,2002,2005 Free Software Foundation, Inc.
+   Copyright (C) 2001,02 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
@@ -20,7 +20,7 @@
 #include <unistd.h>
 
 #if ! _POSIX_MAPPED_FILES
-#include <rt/shm_unlink.c>
+#include <sysdeps/generic/shm_unlink.c>
 
 #else
 
diff --git a/sysdeps/posix/sigignore.c b/sysdeps/posix/sigignore.c
index 9787e8d234..361a19e0dc 100644
--- a/sysdeps/posix/sigignore.c
+++ b/sysdeps/posix/sigignore.c
@@ -1,5 +1,5 @@
 /* Set the disposition of SIG to SIG_IGN.
-   Copyright (C) 1998, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
 
@@ -22,8 +22,6 @@
 #define __need_NULL
 #include <stddef.h>
 #include <signal.h>
-#include <string.h>	/* For the real memset prototype.  */
-
 
 int
 sigignore (sig)
diff --git a/sysdeps/posix/signal.c b/sysdeps/posix/signal.c
index 9fc514c729..9a8efee043 100644
--- a/sysdeps/posix/signal.c
+++ b/sysdeps/posix/signal.c
@@ -1,6 +1,5 @@
 /* BSD-like signal function.
-   Copyright (C) 1991,1992,1996,1997,2000,2002,2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1991,1992,1996,1997,2000,2002 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
@@ -20,7 +19,6 @@
 
 #include <errno.h>
 #include <signal.h>
-#include <string.h>	/* For the real memset prototype.  */
 
 
 sigset_t _sigintr attribute_hidden;		/* Set by siginterrupt.  */
diff --git a/sysdeps/posix/sigset.c b/sysdeps/posix/sigset.c
index 8f96e3d610..873c1cb1e6 100644
--- a/sysdeps/posix/sigset.c
+++ b/sysdeps/posix/sigset.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1998, 2000 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
@@ -20,7 +20,6 @@
 #define __need_NULL
 #include <stddef.h>
 #include <signal.h>
-#include <string.h>	/* For the real memset prototype.  */
 
 
 /* Set the disposition for SIG.  */
@@ -29,10 +28,8 @@ sigset (sig, disp)
      int sig;
      __sighandler_t disp;
 {
-  struct sigaction act;
-  struct sigaction oact;
+  struct sigaction act, oact;
   sigset_t set;
-  sigset_t oset;
 
 #ifdef SIG_HOLD
   /* Handle SIG_HOLD first.  */
@@ -47,18 +44,10 @@ sigset (sig, disp)
 	return SIG_ERR;
 
       /* Add the signal set to the current signal mask.  */
-      if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0)
+      if (__sigprocmask (SIG_BLOCK, &set, NULL) < 0)
 	return SIG_ERR;
 
-      /* If the signal was already blocked signal this to the caller.  */
-      if (__sigismember (&oset, sig))
-	return SIG_HOLD;
-
-      /* We need to determine whether a specific handler is installed.  */
-      if (__sigaction (sig, NULL, &oact) < 0)
-	return SIG_ERR;
-
-      return oact.sa_handler;
+      return SIG_HOLD;
     }
 #endif	/* SIG_HOLD */
 
@@ -85,9 +74,8 @@ sigset (sig, disp)
     return SIG_ERR;
 
   /* Remove the signal set from the current signal mask.  */
-  if (__sigprocmask (SIG_UNBLOCK, &set, &oset) < 0)
+  if (__sigprocmask (SIG_UNBLOCK, &set, NULL) < 0)
     return SIG_ERR;
 
-  /* If the signal was already blocked return SIG_HOLD.  */
-  return __sigismember (&oset, sig) ? SIG_HOLD : oact.sa_handler;
+  return oact.sa_handler;
 }
diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c
index 29803a8461..69106c480e 100644
--- a/sysdeps/posix/spawni.c
+++ b/sysdeps/posix/spawni.c
@@ -1,5 +1,5 @@
 /* Guts of POSIX spawn interface.  Generic POSIX.1 version.
-   Copyright (C) 2000-2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2003, 2004 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
@@ -26,7 +26,6 @@
 #include <unistd.h>
 #include "spawn_int.h"
 #include <not-cancel.h>
-#include <local-setxid.h>
 
 
 /* The Unix standard contains a long explanation of the way to signal
@@ -82,15 +81,7 @@ __spawni (pid_t *pid, const char *file,
   short int flags = attrp == NULL ? 0 : attrp->__flags;
 
   /* Generate the new process.  */
-  if ((flags & POSIX_SPAWN_USEVFORK) != 0
-      /* If no major work is done, allow using vfork.  Note that we
-	 might perform the path searching.  But this would be done by
-	 a call to execvp(), too, and such a call must be OK according
-	 to POSIX.  */
-      || ((flags & (POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETSIGDEF
-		    | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER
-		    | POSIX_SPAWN_SETPGROUP | POSIX_SPAWN_RESETIDS)) == 0
-	  && file_actions == NULL))
+  if (flags & POSIX_SPAWN_USEVFORK)
     new_pid = __vfork ();
   else
     new_pid = __fork ();
@@ -156,8 +147,7 @@ __spawni (pid_t *pid, const char *file,
 
   /* Set the effective user and group IDs.  */
   if ((flags & POSIX_SPAWN_RESETIDS) != 0
-      && (local_seteuid (__getuid ()) != 0
-	  || local_setegid (__getgid ()) != 0))
+      && (seteuid (__getuid ()) != 0 || setegid (__getgid ()) != 0))
     _exit (SPAWN_ERROR);
 
   /* Execute the file actions.  */
@@ -179,10 +169,9 @@ __spawni (pid_t *pid, const char *file,
 
 	    case spawn_do_open:
 	      {
-		int new_fd = open_not_cancel (action->action.open_action.path,
-					      action->action.open_action.oflag
-					      | O_LARGEFILE,
-					      action->action.open_action.mode);
+		int new_fd = __open64 (action->action.open_action.path,
+				       action->action.open_action.oflag,
+				       action->action.open_action.mode);
 
 		if (new_fd == -1)
 		  /* The `open' call failed.  */
@@ -196,7 +185,7 @@ __spawni (pid_t *pid, const char *file,
 		      /* The `dup2' call failed.  */
 		      _exit (SPAWN_ERROR);
 
-		    if (close_not_cancel (new_fd) != 0)
+		    if (__close (new_fd) != 0)
 		      /* The `close' call failed.  */
 		      _exit (SPAWN_ERROR);
 		  }
diff --git a/sysdeps/posix/sprofil.c b/sysdeps/posix/sprofil.c
index 853038d078..19787fa364 100644
--- a/sysdeps/posix/sprofil.c
+++ b/sysdeps/posix/sprofil.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
    This file is part of the GNU C Library.
 
@@ -27,7 +27,7 @@
 #include <sys/profil.h>
 
 #ifndef SIGPROF
-# include <gmon/sprofil.c>
+# include <sysdeps/generic/sprofil.c>
 #else
 
 #include <libc-internal.h>
@@ -181,14 +181,14 @@ profil_count_uint (void *pcp)
    interrupted code.  */
 #define profil_counter		profil_counter_ushort
 #define profil_count(pc)	profil_count (pc, 0)
-#include <profil-counter.h>
+#include "profil-counter.h"
 
 #undef profil_counter
 #undef profil_count
 
 #define profil_counter		profil_counter_uint
 #define profil_count(pc)	profil_count (pc, 1)
-#include <profil-counter.h>
+#include "profil-counter.h"
 
 static int
 insert (int i, unsigned long int start, unsigned long int end, struct prof *p,
diff --git a/sysdeps/posix/sysconf.c b/sysdeps/posix/sysconf.c
index 0c0d7d1418..de72e84829 100644
--- a/sysdeps/posix/sysconf.c
+++ b/sysdeps/posix/sysconf.c
@@ -1,5 +1,5 @@
-/* Copyright (C) 1991,1993,1995-1997,1999-2003,2004,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1991,1993,1995-1997,1999-2003,2004
+   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
@@ -68,7 +68,7 @@ __sysconf (name)
 #ifdef	CHILD_MAX
       return CHILD_MAX;
 #else
-      return __get_child_max ();
+      return -1;
 #endif
 
     case _SC_CLK_TCK:
@@ -95,112 +95,112 @@ __sysconf (name)
       return MAX (__tzname_max (), _POSIX_TZNAME_MAX);
 
     case _SC_JOB_CONTROL:
-#if _POSIX_JOB_CONTROL > 0
-      return _POSIX_JOB_CONTROL;
+#ifdef	_POSIX_JOB_CONTROL
+      return 1;
 #else
       return -1;
 #endif
 
     case _SC_SAVED_IDS:
-#if _POSIX_SAVED_IDS > 0
+#ifdef	_POSIX_SAVED_IDS
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_REALTIME_SIGNALS:
-#if _POSIX_REALTIME_SIGNALS > 0
+#ifdef	_POSIX_REALTIME_SIGNALS
       return _POSIX_REALTIME_SIGNALS;
 #else
       return -1;
 #endif
 
     case _SC_PRIORITY_SCHEDULING:
-#if _POSIX_PRIORITY_SCHEDULING > 0
+#ifdef	_POSIX_PRIORITY_SCHEDULING
       return _POSIX_PRIORITY_SCHEDULING;
 #else
       return -1;
 #endif
 
     case _SC_TIMERS:
-#if _POSIX_TIMERS > 0
+#ifdef	_POSIX_TIMERS
       return _POSIX_TIMERS;
 #else
       return -1;
 #endif
 
     case _SC_ASYNCHRONOUS_IO:
-#if _POSIX_ASYNCHRONOUS_IO > 0
+#ifdef	_POSIX_ASYNCHRONOUS_IO
       return _POSIX_ASYNCHRONOUS_IO;
 #else
       return -1;
 #endif
 
     case _SC_PRIORITIZED_IO:
-#if _POSIX_PRIORITIZED_IO > 0
+#ifdef	_POSIX_PRIORITIZED_IO
       return _POSIX_PRIORITIZED_IO;
 #else
       return -1;
 #endif
 
     case _SC_SYNCHRONIZED_IO:
-#if _POSIX_SYNCHRONIZED_IO > 0
+#ifdef	_POSIX_SYNCHRONIZED_IO
       return _POSIX_SYNCHRONIZED_IO;
 #else
       return -1;
 #endif
 
     case _SC_FSYNC:
-#if _POSIX_FSYNC > 0
+#ifdef	_POSIX_FSYNC
       return _POSIX_FSYNC;
 #else
       return -1;
 #endif
 
     case _SC_MAPPED_FILES:
-#if _POSIX_MAPPED_FILES > 0
+#ifdef	_POSIX_MAPPED_FILES
       return _POSIX_MAPPED_FILES;
 #else
       return -1;
 #endif
 
     case _SC_MEMLOCK:
-#if _POSIX_MEMLOCK > 0
+#ifdef	_POSIX_MEMLOCK
       return _POSIX_MEMLOCK;
 #else
       return -1;
 #endif
 
     case _SC_MEMLOCK_RANGE:
-#if _POSIX_MEMLOCK_RANGE > 0
+#ifdef	_POSIX_MEMLOCK_RANGE
       return _POSIX_MEMLOCK_RANGE;
 #else
       return -1;
 #endif
 
     case _SC_MEMORY_PROTECTION:
-#if _POSIX_MEMORY_PROTECTION > 0
+#ifdef	_POSIX_MEMORY_PROTECTION
       return _POSIX_MEMORY_PROTECTION;
 #else
       return -1;
 #endif
 
     case _SC_MESSAGE_PASSING:
-#if _POSIX_MESSAGE_PASSING > 0
+#ifdef	_POSIX_MESSAGE_PASSING
       return _POSIX_MESSAGE_PASSING;
 #else
       return -1;
 #endif
 
     case _SC_SEMAPHORES:
-#if _POSIX_SEMAPHORES > 0
+#ifdef	_POSIX_SEMAPHORES
       return _POSIX_SEMAPHORES;
 #else
       return -1;
 #endif
 
     case _SC_SHARED_MEMORY_OBJECTS:
-#if _POSIX_SHARED_MEMORY_OBJECTS > 0
+#ifdef	_POSIX_SHARED_MEMORY_OBJECTS
       return _POSIX_SHARED_MEMORY_OBJECTS;
 #else
       return -1;
@@ -353,49 +353,49 @@ __sysconf (name)
 #endif
 
     case _SC_PII:
-#if _POSIX_PII > 0
+#ifdef	_POSIX_PII
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_XTI:
-#if _POSIX_PII_XTI > 0
+#ifdef	_POSIX_PII_XTI
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_SOCKET:
-#if _POSIX_PII_SOCKET > 0
+#ifdef	_POSIX_PII_SOCKET
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_INTERNET:
-#if _POSIX_PII_INTERNET > 0
+#ifdef	_POSIX_PII_INTERNET
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_OSI:
-#if _POSIX_PII_OSI > 0
+#ifdef	_POSIX_PII_OSI
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_POLL:
-#if _POSIX_POLL > 0
+#ifdef	_POSIX_POLL
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_SELECT:
-#if _POSIX_SELECT > 0
+#ifdef	_POSIX_SELECT
       return 1;
 #else
       return -1;
@@ -410,35 +410,35 @@ __sysconf (name)
 #endif
 
     case _SC_PII_INTERNET_STREAM:
-#if _POSIX_PII_INTERNET_STREAM > 0
+#ifdef	_POSIX_PII_INTERNET_STREAM
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_INTERNET_DGRAM:
-#if _POSIX_PII_INTERNET_DGRAM > 0
+#ifdef	_POSIX_PII_INTERNET_DGRAM
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_OSI_COTS:
-#if _POSIX_PII_OSI_COTS > 0
+#ifdef	_POSIX_PII_OSI_COTS
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_OSI_CLTS:
-#if _POSIX_PII_OSI_CLTS > 0
+#ifdef	_POSIX_PII_OSI_CLTS
       return 1;
 #else
       return -1;
 #endif
 
     case _SC_PII_OSI_M:
-#if _POSIX_PII_OSI_M > 0
+#ifdef	_POSIX_PII_OSI_M
       return 1;
 #else
       return -1;
@@ -519,14 +519,14 @@ __sysconf (name)
 
       /* POSIX 1003.1c (POSIX Threads).  */
     case _SC_THREADS:
-#if _POSIX_THREADS > 0
+#ifdef	_POSIX_THREADS
       return _POSIX_THREADS;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_SAFE_FUNCTIONS:
-#if _POSIX_THREAD_SAFE_FUNCTIONS > 0
+#ifdef	_POSIX_THREAD_SAFE_FUNCTIONS
       return _POSIX_THREAD_SAFE_FUNCTIONS;
 #else
       return -1;
@@ -553,7 +553,7 @@ __sysconf (name)
 #endif
 
     case _SC_THREAD_DESTRUCTOR_ITERATIONS:
-#if _POSIX_THREAD_DESTRUCTOR_ITERATIONS > 0
+#ifdef	_POSIX_THREAD_DESTRUCTOR_ITERATIONS
       return _POSIX_THREAD_DESTRUCTOR_ITERATIONS;
 #else
       return -1;
@@ -581,42 +581,42 @@ __sysconf (name)
 #endif
 
     case _SC_THREAD_ATTR_STACKADDR:
-#if _POSIX_THREAD_ATTR_STACKADDR > 0
+#ifdef	_POSIX_THREAD_ATTR_STACKADDR
       return _POSIX_THREAD_ATTR_STACKADDR;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_ATTR_STACKSIZE:
-#if _POSIX_THREAD_ATTR_STACKSIZE > 0
+#ifdef	_POSIX_THREAD_ATTR_STACKSIZE
       return _POSIX_THREAD_ATTR_STACKSIZE;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_PRIORITY_SCHEDULING:
-#if _POSIX_THREAD_PRIORITY_SCHEDULING > 0
+#ifdef	_POSIX_THREAD_PRIORITY_SCHEDULING
       return _POSIX_THREAD_PRIORITY_SCHEDULING;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_PRIO_INHERIT:
-#if _POSIX_THREAD_PRIO_INHERIT > 0
+#ifdef	_POSIX_THREAD_PRIO_INHERIT
       return _POSIX_THREAD_PRIO_INHERIT;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_PRIO_PROTECT:
-#if _POSIX_THREAD_PRIO_PROTECT > 0
+#ifdef	_POSIX_THREAD_PRIO_PROTECT
       return _POSIX_THREAD_PRIO_PROTECT;
 #else
       return -1;
 #endif
 
     case _SC_THREAD_PROCESS_SHARED:
-#if _POSIX_THREAD_PROCESS_SHARED > 0
+#ifdef	_POSIX_THREAD_PROCESS_SHARED
       return _POSIX_THREAD_PROCESS_SHARED;
 #else
       return -1;
@@ -857,40 +857,40 @@ __sysconf (name)
 #endif
 
     case _SC_ADVISORY_INFO:
-#if _POSIX_ADVISORY_INFO > 0
+#ifdef _POSIX_ADVISORY_INFO
       return _POSIX_ADVISORY_INFO;
 #else
       return -1;
 #endif
 
     case _SC_BARRIERS:
-#if _POSIX_BARRIERS > 0
+#ifdef _POSIX_BARRIERS
       return _POSIX_BARRIERS;
 #else
       return -1;
 #endif
 
     case _SC_BASE:
-#if _POSIX_BASE > 0
+#ifdef _POSIX_BASE
       return _POSIX_BASE;
 #else
       return -1;
 #endif
     case _SC_C_LANG_SUPPORT:
-#if _POSIX_C_LANG_SUPPORT > 0
+#ifdef _POSIX_C_LANG_SUPPORT
       return _POSIX_C_LANG_SUPPORT;
 #else
       return -1;
 #endif
     case _SC_C_LANG_SUPPORT_R:
-#if _POSIX_C_LANG_SUPPORT_R > 0
+#ifdef _POSIX_C_LANG_SUPPORT_R
       return _POSIX_C_LANG_SUPPORT_R;
 #else
       return -1;
 #endif
 
     case _SC_CLOCK_SELECTION:
-#if _POSIX_CLOCK_SELECTION > 0
+#ifdef _POSIX_CLOCK_SELECTION
       return _POSIX_CLOCK_SELECTION;
 #else
       return -1;
@@ -904,58 +904,58 @@ __sysconf (name)
 #endif
 
     case _SC_DEVICE_IO:
-#if _POSIX_DEVICE_IO > 0
+#ifdef _POSIX_DEVICE_IO
       return _POSIX_DEVICE_IO;
 #else
       return -1;
 #endif
     case _SC_DEVICE_SPECIFIC:
-#if _POSIX_DEVICE_SPCIFIC > 0
+#ifdef _POSIX_DEVICE_SPCIFIC
       return _POSIX_DEVICE_SPECIFIC;
 #else
       return -1;
 #endif
     case _SC_DEVICE_SPECIFIC_R:
-#if _POSIX_DEVICE_SPCIFIC_R > 0
+#ifdef _POSIX_DEVICE_SPCIFIC_R
       return _POSIX_DEVICE_SPECIFIC_R;
 #else
       return -1;
 #endif
 
     case _SC_FD_MGMT:
-#if _POSIX_FD_MGMT > 0
+#ifdef _POSIX_FD_MGMT
       return _POSIX_FD_MGMT;
 #else
       return -1;
 #endif
 
     case _SC_FIFO:
-#if _POSIX_FIFO > 0
+#ifdef _POSIX_FIFO
       return _POSIX_FIFO;
 #else
       return -1;
 #endif
     case _SC_PIPE:
-#if _POSIX_PIPE > 0
+#ifdef _POSIX_PIPE
       return _POSIX_PIPE;
 #else
       return -1;
 #endif
 
     case _SC_FILE_ATTRIBUTES:
-#if _POSIX_FILE_ATTRIBUTES > 0
+#ifdef _POSIX_FILE_ATTRIBUTES
       return _POSIX_FILE_ATTRIBUTES;
 #else
       return -1;
 #endif
     case _SC_FILE_LOCKING:
-#if _POSIX_FILE_LOCKING > 0
+#ifdef _POSIX_FILE_LOCKING
       return _POSIX_FILE_LOCKING;
 #else
       return -1;
 #endif
     case _SC_FILE_SYSTEM:
-#if _POSIX_FILE_SYSTEM > 0
+#ifdef _POSIX_FILE_SYSTEM
       return _POSIX_FILE_SYSTEM;
 #else
       return -1;
@@ -969,53 +969,53 @@ __sysconf (name)
 #endif
 
     case _SC_MULTI_PROCESS:
-#if _POSIX_MULTI_PROCESS > 0
+#ifdef _POSIX_MULTI_PROCESS
       return _POSIX_MULTI_PROCESS;
 #else
       return -1;
 #endif
     case _SC_SINGLE_PROCESS:
-#if _POSIX_SINGLE_PROCESS > 0
+#ifdef _POSIX_SINGLE_PROCESS
       return _POSIX_SINGLE_PROCESS;
 #else
       return -1;
 #endif
 
     case _SC_NETWORKING:
-#if _POSIX_NETWORKING > 0
+#ifdef _POSIX_NETWORKING
       return _POSIX_NETWORKING;
 #else
       return -1;
 #endif
 
     case _SC_READER_WRITER_LOCKS:
-#if _POSIX_READER_WRITER_LOCKS > 0
+#ifdef _POSIX_READER_WRITER_LOCKS
       return _POSIX_READER_WRITER_LOCKS;
 #else
       return -1;
 #endif
     case _SC_SPIN_LOCKS:
-#if _POSIX_SPIN_LOCKS > 0
+#ifdef _POSIX_SPIN_LOCKS
       return _POSIX_SPIN_LOCKS;
 #else
       return -1;
 #endif
 
     case _SC_REGEXP:
-#if _POSIX_REGEXP > 0
+#ifdef _POSIX_REGEXP
       return _POSIX_REGEXP;
 #else
       return -1;
 #endif
     case _SC_REGEX_VERSION:
-#if _POSIX_REGEX_VERSION > 0
+#ifdef _POSIX_REGEX_VERSION
       return _POSIX_REGEX_VERSION;
 #else
       return -1;
 #endif
 
     case _SC_SHELL:
-#if _POSIX_SHELL > 0
+#ifdef _POSIX_SHELL
       return _POSIX_SHELL;
 #else
       return -1;
@@ -1029,33 +1029,33 @@ __sysconf (name)
 #endif
 
     case _SC_SPAWN:
-#if _POSIX_SPAWN > 0
+#ifdef _POSIX_SPAWN
       return _POSIX_SPAWN;
 #else
       return -1;
 #endif
 
     case _SC_SPORADIC_SERVER:
-#if _POSIX_SPORADIC_SERVER > 0
+#ifdef _POSIX_SPORADIC_SERVER
       return _POSIX_SPORADIC_SERVER;
 #else
       return -1;
 #endif
     case _SC_THREAD_SPORADIC_SERVER:
-#if _POSIX_THREAD_SPORADIC_SERVER > 0
+#ifdef _POSIX_THREAD_SPORADIC_SERVER
       return _POSIX_THREAD_SPORADIC_SERVER;
 #else
       return -1;
 #endif
 
     case _SC_SYSTEM_DATABASE:
-#if _POSIX_SYSTEM_DATABASE > 0
+#ifdef _POSIX_SYSTEM_DATABASE
       return _POSIX_SYSTEM_DATABASE;
 #else
       return -1;
 #endif
     case _SC_SYSTEM_DATABASE_R:
-#if _POSIX_SYSTEM_DATABASE_R > 0
+#ifdef _POSIX_SYSTEM_DATABASE_R
       return _POSIX_SYSTEM_DATABASE_R;
 #else
       return -1;
@@ -1069,27 +1069,27 @@ __sysconf (name)
 #endif
 
     case _SC_TIMEOUTS:
-#if _POSIX_TIMEOUTS > 0
+#ifdef _POSIX_TIMEOUTS
       return _POSIX_TIMEOUTS;
 #else
       return -1;
 #endif
 
     case _SC_TYPED_MEMORY_OBJECTS:
-#if _POSIX_TYPED_MEMORY_OBJECTS > 0
+#ifdef _POSIX_TYPED_MEMORY_OBJECTS
       return _POSIX_TYPED_MEMORY_OBJECTS;
 #else
       return -1;
 #endif
 
     case _SC_USER_GROUPS:
-#if _POSIX_USER_GROUPS > 0
+#ifdef _POSIX_USER_GROUPS
       return _POSIX_USER_GROUPS;
 #else
       return -1;
 #endif
     case _SC_USER_GROUPS_R:
-#if _POSIX_USER_GROUPS_R > 0
+#ifdef _POSIX_USER_GROUPS_R
       return _POSIX_USER_GROUPS_R;
 #else
       return -1;
@@ -1154,25 +1154,25 @@ __sysconf (name)
 #endif
 
     case _SC_TRACE:
-#if _POSIX_TRACE > 0
+#ifdef _POSIX_TRACE
       return _POSIX_TRACE;
 #else
       return -1;
 #endif
     case _SC_TRACE_EVENT_FILTER:
-#if _POSIX_TRACE_EVENT_FILTER > 0
+#ifdef _POSIX_TRACE_EVENT_FILTER
       return _POSIX_TRACE_EVENT_FILTER;
 #else
       return -1;
 #endif
     case _SC_TRACE_INHERIT:
-#if _POSIX_TRACE_INHERIT > 0
+#ifdef _POSIX_TRACE_INHERIT
       return _POSIX_TRACE_INHERIT;
 #else
       return -1;
 #endif
     case _SC_TRACE_LOG:
-#if _POSIX_TRACE_LOG > 0
+#ifdef _POSIX_TRACE_LOG
       return _POSIX_TRACE_LOG;
 #else
       return -1;
@@ -1198,14 +1198,14 @@ __sysconf (name)
       return 0;
 
     case _SC_IPV6:
-#if _POSIX_IPV6 > 0
+#ifdef _POSIX_IPV6
       return _POSIX_IPV6;
 #else
       return -1;
 #endif
 
     case _SC_RAW_SOCKETS:
-#if _POSIX_RAW_SOCKETS > 0
+#ifdef _POSIX_RAW_SOCKETS
       return _POSIX_RAW_SOCKETS;
 #else
       return -1;
diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c
index f63dde4dae..8548313314 100644
--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2000, 2002, 2003, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2000, 2002, 2003 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
@@ -27,6 +27,10 @@
 #include <sysdep-cancel.h>
 
 
+#ifndef	HAVE_GNU_LD
+#define	__environ	environ
+#endif
+
 #define	SHELL_PATH	"/bin/sh"	/* Path of the shell.  */
 #define	SHELL_NAME	"sh"		/* Name to give it.  */
 
diff --git a/sysdeps/posix/sysv_signal.c b/sysdeps/posix/sysv_signal.c
index 16fcd2c2ab..ca2e84f372 100644
--- a/sysdeps/posix/sysv_signal.c
+++ b/sysdeps/posix/sysv_signal.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1996, 1997, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1996, 1997 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
@@ -18,8 +18,6 @@
 
 #include <errno.h>
 #include <signal.h>
-#include <string.h>	/* For the real memset prototype.  */
-
 
 /* Tolerate non-threads versions of Posix */
 #ifndef SA_ONESHOT
diff --git a/sysdeps/posix/tempname.c b/sysdeps/posix/tempname.c
index c8973a0852..0d4bbc418a 100644
--- a/sysdeps/posix/tempname.c
+++ b/sysdeps/posix/tempname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1999, 2000, 2001, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2000, 2001 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
@@ -242,15 +242,11 @@ __gen_tempname (char *tmpl, int kind)
      necessary to try all these combinations.  Instead if a reasonable
      number of names is tried (we define reasonable as 62**3) fail to
      give the system administrator the chance to remove the problems.  */
-#define ATTEMPTS_MIN (62 * 62 * 62)
+  unsigned int attempts_min = 62 * 62 * 62;
 
   /* The number of times to attempt to generate a temporary file.  To
      conform to POSIX, this must be no smaller than TMP_MAX.  */
-#if ATTEMPTS_MIN < TMP_MAX
-  unsigned int attempts = TMP_MAX;
-#else
-  unsigned int attempts = ATTEMPTS_MIN;
-#endif
+  unsigned int attempts = attempts_min < TMP_MAX ? TMP_MAX : attempts_min;
 
   len = strlen (tmpl);
   if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX"))