2006-05-22 Steve Ellcey <sje@cup.hp.com>

	* MAINTAINERS: Change intl updating instructions.
	* config.rpath: Copy from GCC tree.
	* intl: Replace contents of intl directory with intl from GCC tree.

1 files changed, 257 insertions, 86 deletions

diff --git a/intl/bindtextdom.c b/intl/bindtextdom.c
index 42b87d297b8..6faac5756a3 100644
--- a/intl/bindtextdom.c
+++ b/intl/bindtextdom.c
@@ -1,59 +1,75 @@
 /* Implementation of the bindtextdomain(3) function
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995-1998, 2000, 2001, 2002 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
+   This program 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, or (at your option)
    any later version.
 
    This program 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 General Public License for more details.
+   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 General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
+   You should have received a copy of the GNU Library General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
+   USA.  */
 
 #ifdef HAVE_CONFIG_H
 # include <config.h>
 #endif
 
-#if defined STDC_HEADERS || defined _LIBC
-# include <stdlib.h>
-#else
-# ifdef HAVE_MALLOC_H
-#  include <malloc.h>
-# else
-void free ();
-# endif
-#endif
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
 
-#if defined HAVE_STRING_H || defined _LIBC
-# include <string.h>
+#ifdef _LIBC
+# include <libintl.h>
 #else
-# include <strings.h>
-# ifndef memcpy
-#  define memcpy(Dst, Src, Num) bcopy (Src, Dst, Num)
-# endif
+# include "libgnuintl.h"
 #endif
+#include "gettextP.h"
 
 #ifdef _LIBC
-# include <libintl.h>
+/* We have to handle multi-threaded applications.  */
+# include <bits/libc-lock.h>
 #else
-# include "libgettext.h"
+/* Provide dummy implementation if this is outside glibc.  */
+# define __libc_rwlock_define(CLASS, NAME)
+# define __libc_rwlock_wrlock(NAME)
+# define __libc_rwlock_unlock(NAME)
+#endif
+
+/* The internal variables in the standalone libintl.a must have different
+   names than the internal variables in GNU libc, otherwise programs
+   using libintl.a cannot be linked statically.  */
+#if !defined _LIBC
+# define _nl_default_dirname libintl_nl_default_dirname
+# define _nl_domain_bindings libintl_nl_domain_bindings
+#endif
+
+/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>.  */
+#ifndef offsetof
+# define offsetof(type,ident) ((size_t)&(((type*)0)->ident))
 #endif
-#include "gettext.h"
-#include "gettextP.h"
 
 /* @@ end of prolog @@ */
 
 /* Contains the default location of the message catalogs.  */
 extern const char _nl_default_dirname[];
+#ifdef _LIBC
+extern const char _nl_default_dirname_internal[] attribute_hidden;
+#else
+# define INTUSE(name) name
+#endif
 
 /* List with bindings of specific domains.  */
 extern struct binding *_nl_domain_bindings;
 
+/* Lock variable to protect the global data in the gettext implementation.  */
+__libc_rwlock_define (extern, _nl_state_lock attribute_hidden)
+
 
 /* Names for the libintl functions are a problem.  They must not clash
    with existing names and they should follow ANSI C.  But this source
@@ -61,25 +77,48 @@ extern struct binding *_nl_domain_bindings;
    prefix.  So we have to make a difference here.  */
 #ifdef _LIBC
 # define BINDTEXTDOMAIN __bindtextdomain
+# define BIND_TEXTDOMAIN_CODESET __bind_textdomain_codeset
 # ifndef strdup
 #  define strdup(str) __strdup (str)
 # endif
 #else
-# define BINDTEXTDOMAIN bindtextdomain__
+# define BINDTEXTDOMAIN libintl_bindtextdomain
+# define BIND_TEXTDOMAIN_CODESET libintl_bind_textdomain_codeset
 #endif
 
-/* Specify that the DOMAINNAME message catalog will be found
-   in DIRNAME rather than in the system locale data base.  */
-char *
-BINDTEXTDOMAIN (domainname, dirname)
+/* Prototypes for local functions.  */
+static void set_binding_values PARAMS ((const char *domainname,
+					const char **dirnamep,
+					const char **codesetp));
+
+/* Specifies the directory name *DIRNAMEP and the output codeset *CODESETP
+   to be used for the DOMAINNAME message catalog.
+   If *DIRNAMEP or *CODESETP is NULL, the corresponding attribute is not
+   modified, only the current value is returned.
+   If DIRNAMEP or CODESETP is NULL, the corresponding attribute is neither
+   modified nor returned.  */
+static void
+set_binding_values (domainname, dirnamep, codesetp)
      const char *domainname;
-     const char *dirname;
+     const char **dirnamep;
+     const char **codesetp;
 {
   struct binding *binding;
+  int modified;
 
   /* Some sanity checks.  */
   if (domainname == NULL || domainname[0] == '\0')
-    return NULL;
+    {
+      if (dirnamep)
+	*dirnamep = NULL;
+      if (codesetp)
+	*codesetp = NULL;
+      return;
+    }
+
+  __libc_rwlock_wrlock (_nl_state_lock);
+
+  modified = 0;
 
   for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
     {
@@ -95,83 +134,173 @@ BINDTEXTDOMAIN (domainname, dirname)
 	}
     }
 
-  if (dirname == NULL)
-    /* The current binding has be to returned.  */
-    return binding == NULL ? (char *) _nl_default_dirname : binding->dirname;
-
   if (binding != NULL)
     {
-      /* The domain is already bound.  If the new value and the old
-	 one are equal we simply do nothing.  Otherwise replace the
-	 old binding.  */
-      if (strcmp (dirname, binding->dirname) != 0)
+      if (dirnamep)
 	{
-	  char *new_dirname;
+	  const char *dirname = *dirnamep;
 
-	  if (strcmp (dirname, _nl_default_dirname) == 0)
-	    new_dirname = (char *) _nl_default_dirname;
+	  if (dirname == NULL)
+	    /* The current binding has be to returned.  */
+	    *dirnamep = binding->dirname;
 	  else
 	    {
+	      /* The domain is already bound.  If the new value and the old
+		 one are equal we simply do nothing.  Otherwise replace the
+		 old binding.  */
+	      char *result = binding->dirname;
+	      if (strcmp (dirname, result) != 0)
+		{
+		  if (strcmp (dirname, INTUSE(_nl_default_dirname)) == 0)
+		    result = (char *) INTUSE(_nl_default_dirname);
+		  else
+		    {
 #if defined _LIBC || defined HAVE_STRDUP
-	      new_dirname = strdup (dirname);
-	      if (new_dirname == NULL)
-		return NULL;
+		      result = strdup (dirname);
 #else
-	      size_t len = strlen (dirname) + 1;
-	      new_dirname = (char *) malloc (len);
-	      if (new_dirname == NULL)
-		return NULL;
-
-	      memcpy (new_dirname, dirname, len);
+		      size_t len = strlen (dirname) + 1;
+		      result = (char *) malloc (len);
+		      if (__builtin_expect (result != NULL, 1))
+			memcpy (result, dirname, len);
 #endif
+		    }
+
+		  if (__builtin_expect (result != NULL, 1))
+		    {
+		      if (binding->dirname != INTUSE(_nl_default_dirname))
+			free (binding->dirname);
+
+		      binding->dirname = result;
+		      modified = 1;
+		    }
+		}
+	      *dirnamep = result;
 	    }
+	}
+
+      if (codesetp)
+	{
+	  const char *codeset = *codesetp;
+
+	  if (codeset == NULL)
+	    /* The current binding has be to returned.  */
+	    *codesetp = binding->codeset;
+	  else
+	    {
+	      /* The domain is already bound.  If the new value and the old
+		 one are equal we simply do nothing.  Otherwise replace the
+		 old binding.  */
+	      char *result = binding->codeset;
+	      if (result == NULL || strcmp (codeset, result) != 0)
+		{
+#if defined _LIBC || defined HAVE_STRDUP
+		  result = strdup (codeset);
+#else
+		  size_t len = strlen (codeset) + 1;
+		  result = (char *) malloc (len);
+		  if (__builtin_expect (result != NULL, 1))
+		    memcpy (result, codeset, len);
+#endif
 
-	  if (binding->dirname != _nl_default_dirname)
-	    free (binding->dirname);
+		  if (__builtin_expect (result != NULL, 1))
+		    {
+		      if (binding->codeset != NULL)
+			free (binding->codeset);
 
-	  binding->dirname = new_dirname;
+		      binding->codeset = result;
+		      binding->codeset_cntr++;
+		      modified = 1;
+		    }
+		}
+	      *codesetp = result;
+	    }
 	}
     }
+  else if ((dirnamep == NULL || *dirnamep == NULL)
+	   && (codesetp == NULL || *codesetp == NULL))
+    {
+      /* Simply return the default values.  */
+      if (dirnamep)
+	*dirnamep = INTUSE(_nl_default_dirname);
+      if (codesetp)
+	*codesetp = NULL;
+    }
   else
     {
       /* We have to create a new binding.  */
-#if !defined _LIBC && !defined HAVE_STRDUP
-      size_t len;
-#endif
+      size_t len = strlen (domainname) + 1;
       struct binding *new_binding =
-	(struct binding *) malloc (sizeof (*new_binding));
+	(struct binding *) malloc (offsetof (struct binding, domainname) + len);
+
+      if (__builtin_expect (new_binding == NULL, 0))
+	goto failed;
 
-      if (new_binding == NULL)
-	return NULL;
+      memcpy (new_binding->domainname, domainname, len);
+
+      if (dirnamep)
+	{
+	  const char *dirname = *dirnamep;
 
+	  if (dirname == NULL)
+	    /* The default value.  */
+	    dirname = INTUSE(_nl_default_dirname);
+	  else
+	    {
+	      if (strcmp (dirname, INTUSE(_nl_default_dirname)) == 0)
+		dirname = INTUSE(_nl_default_dirname);
+	      else
+		{
+		  char *result;
 #if defined _LIBC || defined HAVE_STRDUP
-      new_binding->domainname = strdup (domainname);
-      if (new_binding->domainname == NULL)
-	return NULL;
+		  result = strdup (dirname);
+		  if (__builtin_expect (result == NULL, 0))
+		    goto failed_dirname;
 #else
-      len = strlen (domainname) + 1;
-      new_binding->domainname = (char *) malloc (len);
-      if (new_binding->domainname == NULL)
-	return NULL;
-      memcpy (new_binding->domainname, domainname, len);
+		  size_t len = strlen (dirname) + 1;
+		  result = (char *) malloc (len);
+		  if (__builtin_expect (result == NULL, 0))
+		    goto failed_dirname;
+		  memcpy (result, dirname, len);
 #endif
-
-      if (strcmp (dirname, _nl_default_dirname) == 0)
-	new_binding->dirname = (char *) _nl_default_dirname;
+		  dirname = result;
+		}
+	    }
+	  *dirnamep = dirname;
+	  new_binding->dirname = (char *) dirname;
+	}
       else
+	/* The default value.  */
+	new_binding->dirname = (char *) INTUSE(_nl_default_dirname);
+
+      new_binding->codeset_cntr = 0;
+
+      if (codesetp)
 	{
+	  const char *codeset = *codesetp;
+
+	  if (codeset != NULL)
+	    {
+	      char *result;
+
 #if defined _LIBC || defined HAVE_STRDUP
-	  new_binding->dirname = strdup (dirname);
-	  if (new_binding->dirname == NULL)
-	    return NULL;
+	      result = strdup (codeset);
+	      if (__builtin_expect (result == NULL, 0))
+		goto failed_codeset;
 #else
-	  len = strlen (dirname) + 1;
-	  new_binding->dirname = (char *) malloc (len);
-	  if (new_binding->dirname == NULL)
-	    return NULL;
-	  memcpy (new_binding->dirname, dirname, len);
+	      size_t len = strlen (codeset) + 1;
+	      result = (char *) malloc (len);
+	      if (__builtin_expect (result == NULL, 0))
+		goto failed_codeset;
+	      memcpy (result, codeset, len);
 #endif
+	      codeset = result;
+	      new_binding->codeset_cntr++;
+	    }
+	  *codesetp = codeset;
+	  new_binding->codeset = (char *) codeset;
 	}
+      else
+	new_binding->codeset = NULL;
 
       /* Now enqueue it.  */
       if (_nl_domain_bindings == NULL
@@ -191,13 +320,55 @@ BINDTEXTDOMAIN (domainname, dirname)
 	  binding->next = new_binding;
 	}
 
-      binding = new_binding;
+      modified = 1;
+
+      /* Here we deal with memory allocation failures.  */
+      if (0)
+	{
+	failed_codeset:
+	  if (new_binding->dirname != INTUSE(_nl_default_dirname))
+	    free (new_binding->dirname);
+	failed_dirname:
+	  free (new_binding);
+	failed:
+	  if (dirnamep)
+	    *dirnamep = NULL;
+	  if (codesetp)
+	    *codesetp = NULL;
+	}
     }
 
-  return binding->dirname;
+  /* If we modified any binding, we flush the caches.  */
+  if (modified)
+    ++_nl_msg_cat_cntr;
+
+  __libc_rwlock_unlock (_nl_state_lock);
+}
+
+/* Specify that the DOMAINNAME message catalog will be found
+   in DIRNAME rather than in the system locale data base.  */
+char *
+BINDTEXTDOMAIN (domainname, dirname)
+     const char *domainname;
+     const char *dirname;
+{
+  set_binding_values (domainname, &dirname, NULL);
+  return (char *) dirname;
+}
+
+/* Specify the character encoding in which the messages from the
+   DOMAINNAME message catalog will be returned.  */
+char *
+BIND_TEXTDOMAIN_CODESET (domainname, codeset)
+     const char *domainname;
+     const char *codeset;
+{
+  set_binding_values (domainname, NULL, &codeset);
+  return (char *) codeset;
 }
 
 #ifdef _LIBC
-/* Alias for function name in GNU C Library.  */
+/* Aliases for function names in GNU C Library.  */
 weak_alias (__bindtextdomain, bindtextdomain);
+weak_alias (__bind_textdomain_codeset, bind_textdomain_codeset);
 #endif