2008-05-22 Jeff Johnston <jjohnstn@redhat.com>

	* libc/include/sys/reent.h: Add _h_errno field.
	* libc/sys/linux/libc-symbols.h: Add default stubs for new libc macros
	now used in net directory.
	* libc/sys/linux/bits/libc-lock.h: Always define _IO_MTSAFE_IO.
	* libc/sys/linux/include/hesiod.h: Add needed macros for new code
	in net directory.
	* libc/sys/linux/include/netdb.h: Ditto.
	* libc/sys/linux/include/resolv.h: Ditto.
	* libc/sys/linux/include/stdint.h: Ditto.
	* libc/sys/linux/include/arpa/nameser.h: Ditto.
	* libc/sys/linux/include/net/ethernet.h: Ditto.
	* libc/sys/linux/include/net/if_ppp.h: Ditto.
	* libc/sys/linux/include/netinet/if_ether.h: Ditto.
	* libc/sys/linux/machine/i386/get_clockfreq.c: Remove static memmem.
	* libc/sys/linux/machine/i386/include/endian.h: Protect macros with
	flags to avoid duplicate definition.
	* libc/sys/linux/machine/i386/include/param.h: Ditto.
	* libc/sys/linux/net/Makefile.am: Modified to account for removed and
	added files.
	* libc/sys/linux/net/Makefile.in: Regenerated.
	* libc/sys/linux/net/base64.c: Replaced with glibc version of code.
	* libc/sys/linux/net/getaddrinfo.c: Ditto.
	* libc/sys/linux/net/getnameinfo.c: Ditto.
	* libc/sys/linux/net/getproto.c: Ditto.
	* libc/sys/linux/net/getservent.c: Ditto.
	* libc/sys/linux/net/inet_netof.c: Ditto.
	* libc/sys/linux/net/inet_lnaof.c: Ditto.
	* libc/sys/linux/net/ns_name.c: Ditto.
	* libc/sys/linux/net/ns_netint.c: Ditto.
	* libc/sys/linux/net/inet_ntoa.c: Ditto.
	* libc/sys/linux/net/ns_parse.c: Ditto.
	* libc/sys/linux/net/ns_print.c: Ditto.
	* libc/sys/linux/net/ns_ttl.c: Ditto.
	* libc/sys/linux/net/nsap_addr.c: Ditto.
	* libc/sys/linux/net/rcmd.c: Ditto.
	* libc/sys/linux/net/res_comp.c: Ditto.
	* libc/sys/linux/net/res_data.c: Ditto.
	* libc/sys/linux/net/res_debug.c: Ditto.
	* libc/sys/linux/net/res_init.c: Ditto.
	* libc/sys/linux/net/res_mkquery.c: Ditto.
	* libc/sys/linux/net/res_query.c: Ditto.
	* libc/sys/linux/net/res_send.c: Ditto.
	* libc/sys/linux/net/send.c: Ditto.
	* libc/sys/linux/stdlib/collate.c: Ditto.
	* libc/sys/linux/sys/ioctl.h: Ditto.
	* libc/sys/linux/sys/socket.h: Ditto.
	* libc/sys/linux/sys/unistd.h: Ditto.
	* libc/sys/linux/iconv/iconvconfig.c: Removed either because no longer
	used or because licensing includes advertising clause that cannot be
	ignored.
	* libc/sys/linux/iconv/strtab.c: Ditto.
	* libc/sys/linux/include/libc_private.h: Ditto.
	* libc/sys/linux/include/nsswitch.h: Ditto.
	* libc/sys/linux/include/net/if_atm.h: Ditto.
	* libc/sys/linux/include/net/if_media.h: Ditto.
	* libc/sys/linux/include/net/if_pppvar.h: Ditto.
	* libc/sys/linux/include/netinet/if_atm.h: Ditto.
	* libc/sys/linux/include/netinet/ip_flow.h: Ditto.
	* libc/sys/linux/intl/locale.alias: Ditto.
	* libc/sys/linux/net/addr2ascii.3: Ditto.
	* libc/sys/linux/net/bindresvport.c: Ditto.
	* libc/sys/linux/net/byteorder.3: Ditto.
	* libc/sys/linux/net/res_config.h: Ditto.
	* libc/sys/linux/net/ether_addr.c: Ditto.
	* libc/sys/linux/net/ethers.3: Ditto.
	* libc/sys/linux/net/getaddrinfo.3: Ditto.
	* libc/sys/linux/net/gethostbydns.c: Ditto.
	* libc/sys/linux/net/gethostbyht.c: Ditto.
	* libc/sys/linux/net/gethostbyname.3: Ditto.
	* libc/sys/linux/net/gethostbynis.c: Ditto.
	* libc/sys/linux/net/gethostnamadr.c: Ditto.
	* libc/sys/linux/net/getifaddrs.3: Ditto.
	* libc/sys/linux/net/getifaddrs.c: Ditto.
	* libc/sys/linux/net/getipnodebyname.3: Ditto.
	* libc/sys/linux/net/getnameinfo.3: Ditto.
	* libc/sys/linux/net/getnetbydns.c: Ditto.
	* libc/sys/linux/net/getnetbyht.c: Ditto.
	* libc/sys/linux/net/getnetbynis.c: Ditto.
	* libc/sys/linux/net/getnetent.3: Ditto.
	* libc/sys/linux/net/getnetnamadr.c: Ditto.
	* libc/sys/linux/net/getprotoent.3: Ditto.
	* libc/sys/linux/net/getprotoent.c: Ditto.
	* libc/sys/linux/net/getprotoname.c: Ditto.
	* libc/sys/linux/net/getservbyname.c: Ditto.
	* libc/sys/linux/net/getservbyport.c: Ditto.
	* libc/sys/linux/net/getservent.3: Ditto.
	* libc/sys/linux/net/herror.c: Ditto.
	* libc/sys/linux/net/hesiod.3: Ditto.
	* libc/sys/linux/net/hesiod.c: Ditto.
	* libc/sys/linux/net/if_indextoname.3: Ditto.
	* libc/sys/linux/net/inet.3: Ditto.
	* libc/sys/linux/net/inet6_option_space.3: Ditto.
	* libc/sys/linux/net/inet6_rthdr_space.3: Ditto.
	* libc/sys/linux/net/inet_makeaddr.c: Ditto.
	* libc/sys/linux/net/inet_net.3: Ditto.
	* libc/sys/linux/net/inet_network.c: Ditto.
	* libc/sys/linux/net/innetgr-stub.c: Ditto.
	* libc/sys/linux/net/ip6opt.c: Ditto.
	* libc/sys/linux/net/iso_addr.3: Ditto.
	* libc/sys/linux/net/iso_addr.c: Ditto.
	* libc/sys/linux/net/linkaddr.3: Ditto.
	* libc/sys/linux/net/linkaddr.c: Ditto.
	* libc/sys/linux/net/map_v4v6.c: Ditto.
	* libc/sys/linux/net/name6.c: Ditto.
	* libc/sys/linux/net/namespace.h: Ditto.
	* libc/sys/linux/net/ns.3: Ditto.
	* libc/sys/linux/net/ns_addr.c: Ditto.
	* libc/sys/linux/net/ns_ntoa.c: Ditto.
	* libc/sys/linux/net/nsdispatch.3: Ditto.
	* libc/sys/linux/net/nsdispatch.c: Ditto.
	* libc/sys/linux/net/nslexer.c: Ditto.
	* libc/sys/linux/net/nslexer.l: Ditto.
	* libc/sys/linux/net/nsparser.c: Ditto.
	* libc/sys/linux/net/nsparser.h: Ditto.
	* libc/sys/linux/net/nsparser.y: Ditto.
	* libc/sys/linux/net/rcmd.3: Ditto.
	* libc/sys/linux/net/rcmdsh.3: Ditto.
	* libc/sys/linux/net/res_mkupdate.c: Ditto.
	* libc/sys/linux/net/res_update.c: Ditto.
	* libc/sys/linux/net/resolver.3: Ditto.
	* libc/sys/linux/net/rthdr.c: Ditto.
	* libc/sys/linux/net/vars.c: Ditto.
	* libc/sys/linux/shlib-compat.h: New file.
	* libc/sys/linux/machine/i386/atomic.h: Ditto.
	* libc/sys/linux/net/XXX-lookup.c: Ditto.
	* libc/sys/linux/net/alias-lookup.c: Ditto.
	* libc/sys/linux/net/res_libc.c: Ditto.
	* libc/sys/linux/net/aliases.h: Ditto.
	* libc/sys/linux/net/check_pf.c: Ditto.
	* libc/sys/linux/net/databases.def: Ditto.
	* libc/sys/linux/net/digits_dots.c: Ditto.
	* libc/sys/linux/net/ether_aton.c: Ditto.
	* libc/sys/linux/net/ether_aton_r.c: Ditto.
	* libc/sys/linux/net/ether_hton.c: Ditto.
	* libc/sys/linux/net/ether_line.c: Ditto.
	* libc/sys/linux/net/ether_ntoa.c: Ditto.
	* libc/sys/linux/net/ether_ntoa_r.c: Ditto.
	* libc/sys/linux/net/ether_ntoh.c: Ditto.
	* libc/sys/linux/net/etherent.h: Ditto.
	* libc/sys/linux/net/ethers-lookup.c: Ditto.
	* libc/sys/linux/net/function.def: Ditto.
	* libc/sys/linux/net/getXXbyYY.c: Ditto.
	* libc/sys/linux/net/getXXbyYY_r.c: Ditto.
	* libc/sys/linux/net/getXXent.c: Ditto.
	* libc/sys/linux/net/getXXent_r.c: Ditto.
	* libc/sys/linux/net/getaliasent.c: Ditto.
	* libc/sys/linux/net/getaliasent_r.c: Ditto.
	* libc/sys/linux/net/getaliasname.c: Ditto.
	* libc/sys/linux/net/getaliasname_r.c: Ditto.
	* libc/sys/linux/net/gethstbyad.c: Ditto.
	* libc/sys/linux/net/gethstbyad_r.c: Ditto.
	* libc/sys/linux/net/gethstbynm.c: Ditto.
	* libc/sys/linux/net/gethstbynm2.c: Ditto.
	* libc/sys/linux/net/gethstbynm2_r.c: Ditto.
	* libc/sys/linux/net/gethstbynm_r.c: Ditto.
	* libc/sys/linux/net/gethstent.c: Ditto.
	* libc/sys/linux/net/gethstent_r.c: Ditto.
	* libc/sys/linux/net/getnetbyad.c: Ditto.
	* libc/sys/linux/net/getnetbyad_r.c: Ditto.
	* libc/sys/linux/net/getnetbynm.c: Ditto.
	* libc/sys/linux/net/getnetbynm_r.c: Ditto.
	* libc/sys/linux/net/getnetent.c: Ditto.
	* libc/sys/linux/net/getnetent_r.c: Ditto.
	* libc/sys/linux/net/getnetgrent.c: Ditto.
	* libc/sys/linux/net/getnetgrent_r.c: Ditto.
	* libc/sys/linux/net/getnssent.c: Ditto.
	* libc/sys/linux/net/getnssent_r.c: Ditto.
	* libc/sys/linux/net/getproto_r.c: Ditto.
	* libc/sys/linux/net/getprtent.c: Ditto.
	* libc/sys/linux/net/getprtent_r.c: Ditto.
	* libc/sys/linux/net/getprtname.c: Ditto.
	* libc/sys/linux/net/getprtname_r.c: Ditto.
	* libc/sys/linux/net/getrpcbyname.c: Ditto.
	* libc/sys/linux/net/getrpcbyname_r.c: Ditto.
	* libc/sys/linux/net/getrpcbynumber.c: Ditto.
	* libc/sys/linux/net/getrpcbynumber_r.c: Ditto.
	* libc/sys/linux/net/getrpcent.c: Ditto.
	* libc/sys/linux/net/getrpcent_r.c: Ditto.
	* libc/sys/linux/net/getservent_r.c: Ditto.
	* libc/sys/linux/net/getsrvbynm.c: Ditto.
	* libc/sys/linux/net/getsrvbynm_r.c: Ditto.
	* libc/sys/linux/net/getsrvbypt.c: Ditto.
	* libc/sys/linux/net/getsrvbypt_r.c: Ditto.
	* libc/sys/linux/net/grp-lookup.c: Ditto.
	* libc/sys/linux/net/herrno.c: Ditto.
	* libc/sys/linux/net/hosts-lookup.c: Ditto.
	* libc/sys/linux/net/ifaddrs.h: Ditto.
	* libc/sys/linux/net/ifreq.c: Ditto.
	* libc/sys/linux/net/ifreq.h: Ditto.
	* libc/sys/linux/net/in6_addr.c: Ditto.
	* libc/sys/linux/net/inet6_option.c: Ditto.
	* libc/sys/linux/net/inet_mkadr.c: Ditto.
	* libc/sys/linux/net/inet_net.c: Ditto.
	* libc/sys/linux/net/key-lookup.c: Ditto.
	* libc/sys/linux/net/local.h: Ditto.
	* libc/sys/linux/net/netgroup.h: Ditto.
	* libc/sys/linux/net/netgrp-lookup.c: Ditto.
	* libc/sys/linux/net/network-lookup.c: Ditto.
	* libc/sys/linux/net/not-cancel.h: Ditto.
	* libc/sys/linux/net/ns_samedomain.c: Ditto.
	* libc/sys/linux/net/nscd-types.h: Ditto.
	* libc/sys/linux/net/nss.h: Ditto.
	* libc/sys/linux/net/nsswitch.c: Ditto.
	* libc/sys/linux/net/nsswitch.h: Ditto.
	* libc/sys/linux/net/opensock.c: Ditto.
	* libc/sys/linux/net/proto-lookup.c: Ditto.
	* libc/sys/linux/net/pwd-lookup.c: Ditto.
	* libc/sys/linux/net/res_debug.h: Ditto.
	* libc/sys/linux/net/res_hconf.c: Ditto.
	* libc/sys/linux/net/res_hconf.h: Ditto.
	* libc/sys/linux/net/rexec.c: Ditto.
	* libc/sys/linux/net/rpc-lookup.c: Ditto.
	* libc/sys/linux/net/ruserpass.c: Ditto.
	* libc/sys/linux/net/service-lookup.c: Ditto.
	* libc/sys/linux/net/spwd-lookup.c: Ditto.
	* libc/sys/linux/net/nscd/nscd-client.h: Ditto.
	* libc/sys/linux/net/nscd/nscd_proto.h: Ditto.

1 files changed, 292 insertions, 0 deletions

diff --git a/newlib/libc/sys/linux/net/getXXbyYY_r.c b/newlib/libc/sys/linux/net/getXXbyYY_r.c
new file mode 100644
index 000000000..326df94b7
--- /dev/null
+++ b/newlib/libc/sys/linux/net/getXXbyYY_r.c
@@ -0,0 +1,292 @@
+/* Copyright (C) 1996-2002, 2003, 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <assert.h>
+#include <errno.h>
+#include <stdbool.h>
+#include "nsswitch.h"
+#ifdef USE_NSCD
+# include <nscd/nscd_proto.h>
+#endif
+#ifdef NEED__RES_HCONF
+# include "res_hconf.h"
+#endif
+#ifdef NEED__RES
+# include <resolv.h>
+#endif
+/*******************************************************************\
+|* Here we assume several symbols to be defined:		   *|
+|*								   *|
+|* LOOKUP_TYPE   - the return type of the function		   *|
+|*								   *|
+|* FUNCTION_NAME - name of the non-reentrant function		   *|
+|*								   *|
+|* DATABASE_NAME - name of the database the function accesses	   *|
+|*		   (e.g., host, services, ...)			   *|
+|*								   *|
+|* ADD_PARAMS    - additional parameter, can vary in number	   *|
+|*								   *|
+|* ADD_VARIABLES - names of additional parameter		   *|
+|*								   *|
+|* Optionally the following vars can be defined:		   *|
+|*								   *|
+|* NEED_H_ERRNO  - an extra parameter will be passed to point to   *|
+|*		   the global `h_errno' variable.		   *|
+|*								   *|
+|* NEED__RES     - the global _res variable might be used so we	   *|
+|*		   will have to initialize it if necessary	   *|
+|*								   *|
+|* PREPROCESS    - code run before anything else		   *|
+|*								   *|
+|* POSTPROCESS   - code run after the lookup			   *|
+|*								   *|
+\*******************************************************************/
+
+/* To make the real sources a bit prettier.  */
+#define REENTRANT_NAME APPEND_R (FUNCTION_NAME)
+#define APPEND_R(name) APPEND_R1 (name)
+#define APPEND_R1(name) name##_r
+#define INTERNAL(name) INTERNAL1 (name)
+#define INTERNAL1(name) __##name
+#define NEW(name) NEW1 (name)
+#define NEW1(name) __new_##name
+
+#ifdef USE_NSCD
+# define NSCD_NAME ADD_NSCD (REENTRANT_NAME)
+# define ADD_NSCD(name) ADD_NSCD1 (name)
+# define ADD_NSCD1(name) __nscd_##name
+# define NOT_USENSCD_NAME ADD_NOT_NSCDUSE (DATABASE_NAME)
+# define ADD_NOT_NSCDUSE(name) ADD_NOT_NSCDUSE1 (name)
+# define ADD_NOT_NSCDUSE1(name) __nss_not_use_nscd_##name
+#endif
+
+#define FUNCTION_NAME_STRING STRINGIZE (FUNCTION_NAME)
+#define REENTRANT_NAME_STRING STRINGIZE (REENTRANT_NAME)
+#define DATABASE_NAME_STRING STRINGIZE (DATABASE_NAME)
+#define STRINGIZE(name) STRINGIZE1 (name)
+#define STRINGIZE1(name) #name
+
+#ifndef DB_LOOKUP_FCT
+# define DB_LOOKUP_FCT CONCAT3_1 (__nss_, DATABASE_NAME, _lookup)
+# define CONCAT3_1(Pre, Name, Post) CONCAT3_2 (Pre, Name, Post)
+# define CONCAT3_2(Pre, Name, Post) Pre##Name##Post
+#endif
+
+/* Sometimes we need to store error codes in the `h_errno' variable.  */
+#ifdef NEED_H_ERRNO
+# define H_ERRNO_PARM , int *h_errnop
+# define H_ERRNO_VAR , h_errnop
+# define H_ERRNO_VAR_P h_errnop
+#else
+# define H_ERRNO_PARM
+# define H_ERRNO_VAR
+# define H_ERRNO_VAR_P NULL
+#endif
+
+#ifdef HAVE_AF
+# define AF_VAL af
+#else
+# define AF_VAL AF_INET
+#endif
+
+/* Type of the lookup function we need here.  */
+typedef enum nss_status (*lookup_function) (ADD_PARAMS, LOOKUP_TYPE *, char *,
+					    size_t, int * H_ERRNO_PARM);
+
+/* The lookup function for the first entry of this service.  */
+extern int DB_LOOKUP_FCT (service_user **nip, const char *name, void **fctp)
+     internal_function;
+libc_hidden_proto (DB_LOOKUP_FCT)
+
+
+int
+INTERNAL (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
+			   size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
+{
+  static service_user *startp;
+  static lookup_function start_fct;
+  service_user *nip;
+  union
+  {
+    lookup_function l;
+    void *ptr;
+  } fct;
+
+  int no_more;
+  enum nss_status status = NSS_STATUS_UNAVAIL;
+#ifdef USE_NSCD
+  int nscd_status;
+#endif
+#ifdef NEED_H_ERRNO
+  bool any_service = false;
+#endif
+
+#ifdef PREPROCESS
+  PREPROCESS;
+#endif
+
+#ifdef HANDLE_DIGITS_DOTS
+  switch (__nss_hostname_digits_dots (name, resbuf, &buffer, NULL,
+				      buflen, result, &status, AF_VAL,
+				      H_ERRNO_VAR_P))
+    {
+    case -1:
+      return errno;
+    case 1:
+      goto done;
+    }
+#endif
+
+#ifdef USE_NSCD
+  if (NOT_USENSCD_NAME > 0 && ++NOT_USENSCD_NAME > NSS_NSCD_RETRY)
+    NOT_USENSCD_NAME = 0;
+
+  if (!NOT_USENSCD_NAME)
+    {
+      nscd_status = NSCD_NAME (ADD_VARIABLES, resbuf, buffer, buflen, result
+			       H_ERRNO_VAR);
+      if (nscd_status >= 0)
+	return nscd_status;
+    }
+#endif
+
+  if (startp == NULL)
+    {
+      no_more = DB_LOOKUP_FCT (&nip, REENTRANT_NAME_STRING, &fct.ptr);
+      if (no_more)
+	startp = (service_user *) -1l;
+      else
+	{
+	  startp = nip;
+	  start_fct = fct.l;
+
+#ifdef NEED__RES
+	  /* The resolver code will really be used so we have to
+	     initialize it.  */
+	  if (__res_maybe_init (&_res, 0) == -1)
+	    {
+	      *h_errnop = NETDB_INTERNAL;
+	      *result = NULL;
+	      return errno;
+	    }
+#endif /* need _res */
+#ifdef NEED__RES_HCONF
+	  if (!_res_hconf.initialized)
+	    _res_hconf_init ();
+#endif /* need _res_hconf */
+	}
+    }
+  else
+    {
+      fct.l = start_fct;
+      no_more = (nip = startp) == (service_user *) -1l;
+    }
+
+  while (no_more == 0)
+    {
+#ifdef NEED_H_ERRNO
+      any_service = true;
+#endif
+
+      status = DL_CALL_FCT (fct.l, (ADD_VARIABLES, resbuf, buffer, buflen,
+				    &errno H_ERRNO_VAR));
+
+      /* The status is NSS_STATUS_TRYAGAIN and errno is ERANGE the
+	 provided buffer is too small.  In this case we should give
+	 the user the possibility to enlarge the buffer and we should
+	 not simply go on with the next service (even if the TRYAGAIN
+	 action tells us so).  */
+      if (status == NSS_STATUS_TRYAGAIN
+#ifdef NEED_H_ERRNO
+	  && *h_errnop == NETDB_INTERNAL
+#endif
+	  && errno == ERANGE)
+	break;
+
+      no_more = __nss_next (&nip, REENTRANT_NAME_STRING,
+			    &fct.ptr, status, 0);
+    }
+
+#ifdef HANDLE_DIGITS_DOTS
+done:
+#endif
+  *result = status == NSS_STATUS_SUCCESS ? resbuf : NULL;
+#ifdef NEED_H_ERRNO
+  if (status != NSS_STATUS_SUCCESS && ! any_service)
+    /* We were not able to use any service.  */
+    *h_errnop = NO_RECOVERY;
+#endif
+#ifdef POSTPROCESS
+  POSTPROCESS;
+#endif
+
+  int res;
+  if (status == NSS_STATUS_SUCCESS || status == NSS_STATUS_NOTFOUND)
+    res = 0;
+  /* Don't pass back ERANGE if this is not for a too-small buffer.  */
+  else if (errno == ERANGE && status != NSS_STATUS_TRYAGAIN)
+    res = EINVAL;
+#ifdef NEED_H_ERRNO
+  /* These functions only set errno if h_errno is NETDB_INTERNAL.  */
+  else if (status == NSS_STATUS_TRYAGAIN && *h_errnop != NETDB_INTERNAL)
+    res = EAGAIN;
+#endif
+  else
+    return errno;
+
+  __set_errno (res);
+  return res;
+}
+
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1_2)
+#define OLD(name) OLD1 (name)
+#define OLD1(name) __old_##name
+
+int
+attribute_compat_text_section
+OLD (REENTRANT_NAME) (ADD_PARAMS, LOOKUP_TYPE *resbuf, char *buffer,
+		      size_t buflen, LOOKUP_TYPE **result H_ERRNO_PARM)
+{
+  int ret = INTERNAL (REENTRANT_NAME) (ADD_VARIABLES, resbuf, buffer,
+				       buflen, result H_ERRNO_VAR);
+
+  if (ret != 0 || result == NULL)
+    ret = -1;
+
+  return ret;
+}
+
+#define do_symbol_version(real, name, version) \
+  compat_symbol (libc, real, name, version)
+do_symbol_version (OLD (REENTRANT_NAME), REENTRANT_NAME, GLIBC_2_0);
+#endif
+
+/* As INTERNAL (REENTRANT_NAME) may be hidden, we need an alias
+   in between so that the REENTRANT_NAME@@GLIBC_2.1.2 is not
+   hidden too.  */
+strong_alias (INTERNAL (REENTRANT_NAME), NEW (REENTRANT_NAME));
+
+#define do_default_symbol_version(real, name, version) \
+  versioned_symbol (libc, real, name, version)
+do_default_symbol_version (NEW (REENTRANT_NAME),
+			   REENTRANT_NAME, GLIBC_2_1_2);
+
+static_link_warning (REENTRANT_NAME)