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.

1 files changed, 34 insertions, 40 deletions

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);
 }