Update. cvs/libc-ud-970802

1997-08-02 21:27  Ulrich Drepper  <drepper@cygnus.com>

	* inet/Makefile (headers): Rename netinet/inbits.h to bits/in.h.
	* inet/netinet/in.h: Include bits/in.h instead of netinet/inbits.h.
	* sysdeps/generic/netinet/inbits.h: Move to...
	* sysdeps/generic/bits/in.h: ... here.
	* sysdeps/unix/sysv/linux/bits/inbits.h: Move to ...
	* sysdeps/unix/sysv/linux/bits/in.h: ... here.

	* nis/Makefile (headers): Add bits/nislib.h.
	* nis/rpcsvc/nislib.h: Moved to ....
	* nis/bits/nislib.h: ... here.

	* nis/nss_compat/compat-grp.c: Don't include <rpcsvc/nislib.h>.
	* nis/nss_compat/compat-pwd.c: Likewise.
	* nis/nss_compat/compat-spwd.c: Likewise.
	* nis/nss_nisplus/nisplus-alias.c: Likewise.
	* nis/nss_nisplus/nisplus-ethers.c: Likewise.
	* nis/nss_nisplus/nisplus-grp.c: Likewise.
	* nis/nss_nisplus/nisplus-hosts.c: Likewise.
	* nis/nss_nisplus/nisplus-netgrp.c: Likewise.
	* nis/nss_nisplus/nisplus-ntework.c: Likewise.
	* nis/nss_nisplus/nisplus-proto.c: Likewise.
	* nis/nss_nisplus/nisplus-publickey.c: Likewise.
	* nis/nss_nisplus/nisplus-pwd.c: Likewise.
	* nis/nss_nisplus/nisplus-rpc.c: Likewise.
	* nis/nss_nisplus/nisplus-service.c: Likewise.
	* nis/nss_nisplus/nisplus-spwd.c: Likewise.

	* nis/rpcsvc/nis.x: Include bits/nislib.h, not rpcsvc/nislib.h.
	* nis/rpcsvc/nis.h: Likewise.

	* inet/getnameinfo.c (nrl_domainname): Change return type to const
	char *.
	(getnameinfo): Change type of local variable c to const char *.

	* inet/inet_ntoa.c: Rewrite to use __libc_once for initialization.
	* stdlib/fmtmsg.c: Likewise.

	* intl/bindtextdom.c: Update from latest gettext.
	* intl/dcgettext.c: Likewise.
	* intl/finddomain.c: Likewise.
	* intl/l10nflist.c: Likewise.
	* intl/localealias.c: Likewise.
	* intl/textdomain.c: Likewise.

	* login/getutid_r.c: Remove parameter to setutent call.
	* login/getutline_r.c: Likewise.

	* posix/wordexp.c: Complete rewrite.  Not fully implemented yet,
	though.  Patch by Tim Waugh <tim@cyberelk.demon.co.uk>.

	* stdio-common/printf_fp.c: Remove relative include paths.
	* stdio-common/printf_fphex.c: Likewise.

	* sysdeps/generic/crypt.h: Cleanup.  Don't define non standard
	elements unless __USE_GNU.

	* sysdeps/generic/vlimit.c: Pretty print.
	* sysdeps/generic/vtimes.c: Likewise.

	* sysdeps/i386/elf/bsd-_setjmp.S: New file.  Empty dummy file.
	* sysdeps/i386/elf/bsd-setjmp.S: New file.  Empty dummy file.
	* sysdeps/i386/elf/setjmp.S: New file.  Define __setjmp and also
	weak definitions of setjmp and _setjmp.

	* sysdeps/i386/fpu/bits/mathinline.h: More patches by John Bowman.

	* sysdeps/stub/if_index.h: Set errno in all functions and add
	stub warnings.

	* sysdeps/stub/libc-lock.h: Add __libc_once.

1997-08-02 01:57  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/ptrace.c: Don't set errno in error
	case since the __syscall_ptrace call already did this.
	Reported by Philip Gladstone <philip@talon.raptor.com>.

1997-07-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/unix/sysv/linux/sys/fsuid.h: Change include
	<gnu/types.h> to <sys/types.h>.

1997-08-01 23:18  Ulrich Drepper  <drepper@cygnus.com>

	* csu/defs.awk: Fix regexp for end and align.
	Patch by Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>.

	* locale/programs/localedef.c (print_escaped): New function.
	(show_info): Use print_escaped if strings can control unprintable
	characters.
	Patch by Jochen Hein <jochen.hein@delphi.central.de>.

1997-08-01 18:45  Thorsten Kukuk  <kukuk@vt.uni-paderborn.de>

	* nis/nss_nisplus/nisplus-alias.c: Fix NULL pointer problems
	* nis/nss_nisplus/nisplus-grp.c: Likewise.

1997-07-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-profile.c (_dl_start_profile): Use _dl_sysdep_error
	instead of fprintf.

1997-07-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/socket.texi (Host Address Functions): Fix arguments of
	@deftypefun.

1997-07-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/dl-runtime.c: Avoid warning about profile_fixup being
	unused.

	* sysdeps/m68k/dl-machine.h: Add support for shared library
	profiling.

1997-07-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* md5-crypt/Makefile (extra-objs): Add onlymd5-crypt.o for
	dependencies.

1997-07-31  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Make-dist (subdirs): Distribute both aout and elf.

1997-07-31 23:04  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp-private.h: Remove reset argument from backend
	setutent.
	* login/getutent_r.c (__setutent): Allways call the setutent
	function in the daemon backend.
	(setutent_unknown): Function removed.
	(getutent_unknown, pututline_unknown): Call __setutent instead of
	setutent_unknown.
	* login/utmp_file.c (setutent_file): Removed reset argument.  All
	callers changed.
	* login/utmp_daemon.c (setutent_daemon): Removed reset
	argument.  All callers changed.  Try to open connection even if a
	previous connection failed, but first check if the sockets exist
	in the filesystem.

	* login/utmp_daemon.c (pututline_daemon): Try to open connection
	before reporting failure.

	* login/programs/database.c (open_database): Create compatibility
	file if it does not already exist.  Supply mode argument in open
	calls to guarantee that created files have the proper protection.

	* login/programs/utmpd.c (main): Remove files created by a
	previous `bind' before creating sockets.
	Suggested by a sun <asum@zoology.washington.edu>.

1997-07-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c: Remove unneeded function check_int_exec.

	* BUGS: Correct typos.

	* gmon/gmon.c: Add alias for monstartup, declare _strerror_internal.

1997-07-30  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* manual/socket.texi (Host Address Functions): Reformat inet_ntop
	entry to confirm with expected behaviour of some scripts.

	* libc.map: Add functions/variables in global namespace,
	remove wildcards.

1997-07-29  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* resolv/libresolv.map: Add variables and routines used by named,
	nslookup and other bind utils.
	* libc.map: Likewise.

1997-07-31 00:35  Philip Blundell  <Philip.Blundell@pobox.com>

	* sysdeps/unix/sysv/linux/if_index.c: Rewrite to avoid using /proc
	filesystem.
	* inet/test_ifindex.c: New file.
	* inet/Makefile (tests): Add test_ifindex.

1997-08-01 04:25  Ulrich Drepper  <drepper@cygnus.com>

	* nis/nss_nisplus/nisplus-parser.c: Fix another bug in the parser.
	Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>.

	* manual/errno.texi: Fix typo.
	Reported by Erik Talvola <etalvo@sapient.com>.

	(write_hist): Remove dependency on 32 bit int.

5 files changed, 100 insertions, 47 deletions

diff --git a/inet/Makefile b/inet/Makefile
index 0237d0b45d..9a70c316b5 100644
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -23,7 +23,7 @@ subdir	:= inet
 
 headers	:= netinet/ether.h netinet/in.h netinet/if_ether.h \
 	   netinet/tcp.h netinet/ip.h $(wildcard arpa/*.h protocols/*.h) \
-	   aliases.h netinet/ip6.h netinet/icmp6.h netinet/inbits.h
+	   aliases.h netinet/ip6.h netinet/icmp6.h bits/in.h
 
 distribute := netgroup.h
 
@@ -46,7 +46,7 @@ routines := htonl htons		\
 	    getaliasent_r getaliasent getaliasname getaliasname_r \
 	    in6_addr getnameinfo if_index
 
-tests := htontest
+tests := htontest test_ifindex
 
 # No warnings about losing BSD code.
 CFLAGS-rcmd.c = -w
diff --git a/inet/getnameinfo.c b/inet/getnameinfo.c
index 037578f277..e6f4cbfc94 100644
--- a/inet/getnameinfo.c
+++ b/inet/getnameinfo.c
@@ -77,7 +77,7 @@ struct hostent *_addr2hostname_hosts (const char *, int, int);
 #endif /* min */
 
 
-static char *
+static const char *
 nrl_domainname (void)
 {
   static const char *domain = NULL;
@@ -267,7 +267,7 @@ getnameinfo (const struct sockaddr *sa, size_t addrlen, char *host,
 	      {
 		if (flags & NI_NOFQDN)
 		  {
-		    char *c;
+		    const char *c;
 		    if ((c = nrl_domainname ()) && (c = strstr(h->h_name, c))
 			&& (c != h->h_name) && (*(--c) == '.'))
 		      {
diff --git a/inet/inet_ntoa.c b/inet/inet_ntoa.c
index 9e4b2af5b9..5dfec626a0 100644
--- a/inet/inet_ntoa.c
+++ b/inet/inet_ntoa.c
@@ -26,60 +26,45 @@
 /* The interface of this function is completely stupid, it requires a
    static buffer.  We relax this a bit in that we allow at least one
    buffer for each thread.  */
-__libc_lock_define_initialized (static, lock);
 
 /* This is the key for the thread specific memory.  */
 static __libc_key_t key;
 
+/* If nonzero the key allocation failed and we should better use a
+   static buffer than fail.  */
+static char local_buf[18];
+static char *static_buf;
+
 /* Destructor for the thread-specific data.  */
+static void init (void);
 static void free_key_mem (void *mem);
 
 
 char *
 inet_ntoa (struct in_addr in)
 {
-  static char static_buf[18];
-  static int initialized = 0;
-  char *buffer = NULL;
+  __libc_once_define (once);
+  char *buffer;
   unsigned char *bytes;
 
   /* If we have not yet initialized the buffer do it now.  */
-  if (!initialized)
-    {
-      /* Make sure there is only one process doing the initialization.  */
-      __libc_lock_lock (lock);
-
-      if (!initialized)
-	{
-	  if (__libc_key_create (&key, free_key_mem))
-	    /* Creating the key failed.  This either means we run
-	       have only a single-threaded application or something
-	       really went wrong.  In any case use a static buffer
-	       which is better than nothing.  */
-	    buffer = static_buf;
-	  else
-	    /* We have a key.  */
-	    initialized = 1;
-	}
-
-      __libc_lock_unlock (lock);
-    }
+  __libc_once (once, init);
 
+  if (static_buf != NULL)
+    return static_buf;
+
+  /* We don't use the static buffer and so we have a key.  Use it to
+     get the thread-specific buffer.  */
+  buffer = __libc_getspecific (key);
   if (buffer == NULL)
     {
-      /* We don't use the static buffer and so we have a key.  Use it
-	 to get the thread-specific buffer.  */
-      buffer = __libc_getspecific (key);
+      /* No buffer allocated so far.  */
+      buffer = malloc (18);
       if (buffer == NULL)
-	{
-	  /* No buffer allocated so far.  */
-	  buffer = malloc (18);
-	  if (buffer == NULL)
-	    /* No more memory available.  We use the static buffer.  */
-	    buffer = static_buf;
-	  else
-	    __libc_setspecific (key, buffer);
-	}
+	/* No more memory available.  We use the static buffer.  */
+	buffer = local_buf;
+      else
+	__libc_setspecific (key, buffer);
     }
 
   bytes = (unsigned char *) ∈
@@ -89,12 +74,21 @@ inet_ntoa (struct in_addr in)
 }
 
 
+/* Initialize buffer.  */
+static void
+init (void)
+{
+  if (__libc_key_create (&key, free_key_mem))
+    /* Creating the key failed.  This means something really went
+       wrong.  In any case use a static buffer which is better than
+       nothing.  */
+    static_buf = local_buf;
+}
+
+
+/* free the thread specific data, this is done if a thread terminates.  */
 static void
 free_key_mem (void *mem)
 {
   free (mem);
-
-  /* And we must set the data to NULL so that the destructor is not
-     called again.  */
-  __libc_setspecific (key, NULL);
 }
diff --git a/inet/netinet/in.h b/inet/netinet/in.h
index 9eda281360..faaf7e8a63 100644
--- a/inet/netinet/in.h
+++ b/inet/netinet/in.h
@@ -140,7 +140,7 @@ struct in_addr
 #define	IN_LOOPBACKNET	127
 /* Address to loopback in software to local host.  */
 #ifndef INADDR_LOOPBACK
-#define	INADDR_LOOPBACK	((unsigned) 0x7f000001)	/* Inet address 127.0.0.1.  */
+# define INADDR_LOOPBACK	((unsigned) 0x7f000001)	/* Inet 127.0.0.1.  */
 #endif
 
 
@@ -208,7 +208,7 @@ struct ipv6_mreq
   };
 
 /* Get system-specific definitions.  */
-#include <netinet/inbits.h>
+#include <bits/in.h>
 
 /* Functions to convert between host and network byte order.
 
@@ -272,7 +272,7 @@ extern uint16_t htons __P ((uint16_t __hostshort));
 	 (((uint32_t *) (a))[1] == ((uint32_t *) (b))[2]) && \
 	 (((uint32_t *) (a))[2] == ((uint32_t *) (b))[1]) && \
 	 (((uint32_t *) (a))[3] == ((uint32_t *) (b))[3]))
-	
+
 /* Bind socket to a privileged IP port.  */
 extern int bindresvport __P ((int __sockfd, struct sockaddr_in *__sin));
 
diff --git a/inet/test_ifindex.c b/inet/test_ifindex.c
new file mode 100644
index 0000000000..f0a34cf0da
--- /dev/null
+++ b/inet/test_ifindex.c
@@ -0,0 +1,59 @@
+/* Test interface name <-> index conversions.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Philip Blundell <Philip.Blundell@pobox.com>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <net/if.h>
+
+int
+main (void)
+{
+  int failures = 0;
+  struct if_nameindex *idx = if_nameindex (), *p;
+  if (idx == NULL)
+    {
+      if (errno != ENOSYS)
+	{
+	  printf ("Couldn't get any interfaces.\n");
+	  exit (1);
+	}
+      /* The function is simply not implemented.  */
+      exit (0);
+    }
+
+  printf ("Idx            Name | Idx           Name\n");
+
+  for (p = idx; p->if_index || p->if_name; ++p)
+    {
+      char buf[IFNAMSIZ];
+      int ni, result;
+      printf ("%3d %15s | ", p->if_index, p->if_name);
+      printf ("%3d", ni = if_nametoindex (p->if_name));
+      printf ("%15s", if_indextoname (p->if_index, buf));
+      result = (ni != p->if_index || (strcmp (buf, p->if_name)));
+      printf ("%10s", result ? "fail" : "okay");
+      printf ("\n");
+      failures += result;
+    }
+  if_freenameindex (idx);
+  exit (failures ? 1 : 0);
+}