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-rw-r--r--catgets/Makefile41
-rw-r--r--catgets/catgets.c163
-rw-r--r--catgets/catgetsinfo.h59
-rw-r--r--catgets/config.h14
-rw-r--r--catgets/gencat.c1030
-rw-r--r--catgets/nl_types.h48
-rw-r--r--catgets/open_catalog.c263
7 files changed, 1618 insertions, 0 deletions
diff --git a/catgets/Makefile b/catgets/Makefile
new file mode 100644
index 0000000000..4646dd5a3f
--- /dev/null
+++ b/catgets/Makefile
@@ -0,0 +1,41 @@
+# Copyright (C) 1996 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
+# 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.
+
+#
+#	Makefile for catgets.
+#
+subdir	:= catgets
+
+headers		= nl_types.h
+distribute	= catgetsinfo.h config.h
+routines	= catgets open_catalog
+others		= gencat
+install-bin	= gencat
+
+gencat-modules	= xmalloc
+
+# To find xmalloc.c
+vpath %.c ../locale/programs
+
+
+include ../Rules
+
+$(objpfx)gencat: $(gencat-modules:%=$(objpfx)%.o)
+
+CPPFLAGS := -DNLSPATH='"$(localedir)/%L/%N:$(localedir)/%L/LC_MESSAGES/%N:"' \
+	    -DHAVE_CONFIG_H $(CPPFLAGS)
diff --git a/catgets/catgets.c b/catgets/catgets.c
new file mode 100644
index 0000000000..ca0fdd693c
--- /dev/null
+++ b/catgets/catgets.c
@@ -0,0 +1,163 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+
+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 <alloca.h>
+#include <nl_types.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "catgetsinfo.h"
+
+
+/* Open the catalog and return a descriptor for the catalog.  */
+nl_catd
+catopen (const char *cat_name, int flag)
+{
+  __nl_catd result;
+  const char *env_var;
+
+  result = (__nl_catd) malloc (sizeof (__nl_catd));
+  if (result == NULL)
+    /* We cannot get enough memory.  */
+    return (nl_catd) -1;
+
+  result->status = closed;
+
+  result->cat_name = strdup (cat_name);
+  if (result->cat_name == NULL)
+    {
+      free (result);
+      return (nl_catd) -1;
+    }
+
+  if (strchr (cat_name, '/') == NULL)
+    {
+      if (flag == NL_CAT_LOCALE)
+	{
+	  env_var = getenv ("LC_ALL");
+	  if (env_var == NULL)
+	    {
+	      env_var = getenv ("LC_MESSAGES");
+	      if (env_var == NULL)
+		{
+		  env_var = getenv ("LANG");
+		  if (env_var == NULL)
+		    env_var = "C";
+		}
+	    }
+	}
+      else
+	{
+	  env_var = getenv ("LANG");
+	  if (env_var == NULL)
+	    env_var = "C";
+	}
+
+      result->env_var = strdup (env_var);
+      if (result->env_var == NULL)
+	{
+	  free ((void *) result->cat_name);
+	  free ((void *) result);
+	  return (nl_catd) -1;
+	}
+
+      if (getenv ("NLSPATH") != NULL)
+	result->nlspath = strdup (getenv ("NLSPATH"));
+      else
+	result->nlspath = strdup (NLSPATH);
+
+      if (result->nlspath == NULL)
+	{
+	  free ((void *) result->cat_name);
+	  free ((void *) result->env_var);
+	  free ((void *) result);
+	  return (nl_catd) -1;
+	}
+    }
+  else
+    {
+      result->env_var = NULL;
+      result->nlspath = NULL;
+    }
+
+  return (nl_catd) result;
+}
+
+
+/* Return message from message catalog.  */
+char *
+catgets (nl_catd catalog_desc, int set, int message, const char *string)
+{
+  __nl_catd catalog;
+  size_t idx;
+  size_t cnt;
+
+  /* Be generous if catalog which failed to be open is used.  */
+  if (catalog_desc == (nl_catd) -1 || ++set <= 0 || message < 0)
+    return (char *) string;
+
+  catalog = (__nl_catd) catalog_desc;
+
+  if (catalog->status == closed)
+    __open_catalog (catalog, 1);
+
+  if (catalog->status == nonexisting)
+    return (char *) string;
+
+  idx = ((set * message) % catalog->plane_size) * 3;
+  cnt = 0;
+  do
+    {
+      if (catalog->name_ptr[idx + 0] == (u_int32_t) set
+	  && catalog->name_ptr[idx + 1] == (u_int32_t) message)
+	return (char *) &catalog->strings[catalog->name_ptr[idx + 2]];
+
+      idx += catalog->plane_size * 3;
+    }
+  while (++cnt < catalog->plane_depth);
+
+  return (char *) string;
+}
+
+
+/* Return resources used for loaded message catalog.  */
+int
+catclose (nl_catd catalog_desc)
+{
+  __nl_catd catalog;
+
+  catalog = (__nl_catd) catalog_desc;
+
+  if (catalog->status == mmaped)
+    munmap ((void *) catalog->file_ptr, catalog->file_size);
+  else if (catalog->status == malloced)
+    free ((void *) catalog->file_ptr);
+  else if (catalog->status != closed && catalog->status != nonexisting)
+    return -1;
+
+  if (catalog->nlspath)
+    free ((void *) catalog->nlspath);
+  if (catalog->env_var)
+    free ((void *) catalog->env_var);
+  free ((void *) catalog);
+
+  return 0;
+}
diff --git a/catgets/catgetsinfo.h b/catgets/catgetsinfo.h
new file mode 100644
index 0000000000..7e0a26f798
--- /dev/null
+++ b/catgets/catgetsinfo.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+
+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 <sys/types.h>
+
+
+struct catalog_obj
+{
+  u_int32_t magic;
+  u_int32_t plane_size;
+  u_int32_t plane_depth;
+  /* This is in fact two arrays in one: always a pair of name and
+     pointer into the data area.  */
+  u_int32_t name_ptr[0];
+};
+
+
+/* This structure will be filled after loading the catalog.  */
+typedef struct catalog_info
+{
+  enum { closed, nonexisting, mmaped, malloced } status;
+
+  const char *cat_name;
+  const char *env_var;
+  const char *nlspath;
+
+  size_t plane_size;
+  size_t plane_depth;
+  u_int32_t *name_ptr;
+  const char *strings;
+
+  struct catalog_obj *file_ptr;
+  size_t file_size;
+} *__nl_catd;
+
+
+
+/* The magic number to signal we really have a catalog file.  */
+#define CATGETS_MAGIC 0x960408de
+
+
+/* Prototypes for helper functions.  */
+void __open_catalog (__nl_catd __catalog, int __with_path);
diff --git a/catgets/config.h b/catgets/config.h
new file mode 100644
index 0000000000..ce7887b351
--- /dev/null
+++ b/catgets/config.h
@@ -0,0 +1,14 @@
+#ifndef _CG_CONFIG_H
+#define _CG_CONFIG_H
+
+/* Use the internal textdomain used for libc messages.  */
+#define PACKAGE _libc_intl_domainname
+#ifndef VERSION
+/* Get libc version number.  */
+#include "../version.h"
+#endif
+
+
+#include_next <config.h>
+
+#endif
diff --git a/catgets/gencat.c b/catgets/gencat.c
new file mode 100644
index 0000000000..4b6eb43255
--- /dev/null
+++ b/catgets/gencat.c
@@ -0,0 +1,1030 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+
+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.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <ctype.h>
+#include <endian.h>
+#include <errno.h>
+#include <error.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <libintl.h>
+#include <limits.h>
+#include <nl_types.h>
+#include <obstack.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "version.h"
+
+#include "catgetsinfo.h"
+
+
+#define SWAPU32(w) \
+  (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
+
+struct message_list
+{
+  int number;
+  const char *message;
+
+  const char *fname;
+  size_t line;
+  const char *symbol;
+
+  struct message_list *next;
+};
+
+
+struct set_list
+{
+  int number;
+  int deleted;
+  struct message_list *messages;
+  int last_message;
+
+  const char *fname;
+  size_t line;
+  const char *symbol;
+
+  struct set_list *next;
+};
+
+
+struct catalog
+{
+  struct set_list *all_sets;
+  struct set_list *current_set;
+  size_t total_messages;
+  char quote_char;
+  int last_set;
+
+  struct obstack mem_pool;
+};
+
+
+/* If non-zero force creation of new file, not using existing one.  */
+static int force_new;
+
+/* Long options.  */
+static const struct option long_options[] =
+{
+  { "header", required_argument, NULL, 'H' },
+  { "help", no_argument, NULL, 'h' },
+  { "new", no_argument, &force_new, 1 },
+  { "output", required_argument, NULL, 'o' },
+  { "version", no_argument, NULL, 'V' },
+  { NULL, 0, NULL, 0 }
+};
+
+/* Wrapper functions with error checking for standard functions.  */
+extern void *xmalloc (size_t n);
+
+/* Prototypes for local functions.  */
+static void usage (int status) __attribute__ ((noreturn));
+static void error_print (void);
+static struct catalog *read_input_file (struct catalog *current,
+					const char *fname);
+static void write_out (struct catalog *result, const char *output_name,
+		       const char *header_name);
+static struct set_list *find_set (struct catalog *current, int number);
+static void normalize_line (const char *fname, size_t line, char *string,
+			    char quote_char);
+static void read_old (struct catalog *catalog, const char *file_name);
+
+
+int
+main (int argc, char *argv[])
+{
+  struct catalog *result;
+  const char *output_name;
+  const char *header_name;
+  int do_help;
+  int do_version;
+  int opt;
+
+  /* Set program name for messages.  */
+  error_print_progname = error_print;
+
+  /* Set locale via LC_ALL.  */
+  setlocale (LC_ALL, "");
+
+  /* Set the text message domain.  */
+  textdomain (PACKAGE);
+
+  /* Initialize local variables.  */
+  do_help = 0;
+  do_version = 0;
+  output_name = NULL;
+  header_name = NULL;
+  result = NULL;
+
+  while ((opt = getopt_long (argc, argv, "hH:o:V", long_options, NULL)) != EOF)
+    switch (opt)
+      {
+      case '\0':	/* Long option.  */
+	break;
+      case 'h':
+	do_help = 1;
+	break;
+      case 'H':
+	header_name = optarg;
+	break;
+      case 'o':
+	output_name = optarg;
+	break;
+      case 'V':
+	do_version = 1;
+	break;
+      default:
+	usage (EXIT_FAILURE);
+      }
+
+  /* Version information is requested.  */
+  if (do_version)
+    {
+      fprintf (stderr, "%s - GNU %s %s\n", program_invocation_name,
+	       PACKAGE, VERSION);
+      exit (EXIT_SUCCESS);
+    }
+
+  /* Help is requested.  */
+  if (do_help)
+    usage (EXIT_SUCCESS);
+
+  /* Determine output file.  */
+  if (output_name == NULL)
+    output_name = optind < argc ? argv[optind++] : "-";
+
+  /* Process all input files.  */
+  setlocale (LC_CTYPE, "C");
+  if (optind < argc)
+    do
+      result = read_input_file (result, argv[optind]);
+    while (++optind < argc);
+  else
+    result = read_input_file (NULL, "-");
+
+  /* Write out the result.  */
+  if (result != NULL)
+    write_out (result, output_name, header_name);
+
+  exit (EXIT_SUCCESS);
+}
+
+
+static void
+usage (int status)
+{
+  if (status != EXIT_SUCCESS)
+    fprintf (stderr, gettext ("Try `%s --help' for more information.\n"),
+             program_invocation_name);
+  else
+    printf(gettext ("\
+Usage: %s [OPTION]... -o OUTPUT-FILE [INPUT-FILE]...\n\
+       %s [OPTION]... [OUTPUT-FILE [INPUT-FILE]...]\n\
+Mandatory arguments to long options are mandatory for short options too.\n\
+  -H, --header        create C header file containing symbol definitions\n\
+  -h, --help          display this help and exit\n\
+      --new           do not use existing catalog, force new output file\n\
+  -o, --output=NAME   write output to file NAME\n\
+  -V, --version       output version information and exit\n\
+If INPUT-FILE is -, input is read from standard input.  If OUTPUT-FILE\n\
+is -, output is written to standard output.\n"),
+	   program_invocation_name, program_invocation_name);
+
+  exit (status);
+}
+
+
+/* The address of this function will be assigned to the hook in the
+   error functions.  */
+static void
+error_print ()
+{
+  /* We don't want the program name to be printed in messages.  Emacs'
+     compile.el does not like this.  */
+}
+
+
+static struct catalog *
+read_input_file (struct catalog *current, const char *fname)
+{
+  FILE *fp;
+  char *buf;
+  size_t len;
+  size_t line_number;
+
+  if (strcmp (fname, "-") == 0 || strcmp (fname, "/dev/stdin") == 0)
+    {
+      fp = stdin;
+      fname = gettext ("*standard input*");
+    }
+  else
+    fp = fopen (fname, "r");
+  if (fp == NULL)
+    {
+      error (0, errno, gettext ("cannot open input file `%s'"), fname);
+      return current;
+    }
+
+  /* If we haven't seen anything yet, allocate result structure.  */
+  if (current == NULL)
+    {
+      current = (struct catalog *) xmalloc (sizeof (*current));
+
+      current->all_sets = NULL;
+      current->total_messages = 0;
+      current->last_set = 0;
+      current->current_set = find_set (current, NL_SETD);
+
+#define obstack_chunk_alloc xmalloc
+#define obstack_chunk_free free
+      obstack_init (&current->mem_pool);
+    }
+
+  buf = NULL;
+  len = 0;
+  line_number = 0;
+  while (!feof (fp))
+    {
+      int continued;
+      int used;
+      size_t start_line = line_number + 1;
+      char *this_line;
+
+      do
+	{
+	  int act_len;
+
+	  act_len = getline (&buf, &len, fp);
+	  if (act_len <= 0)
+	    break;
+	  ++line_number;
+
+	  /* It the line continued?  */
+	  if (buf[act_len - 1] == '\n')
+	    {
+	      --act_len;
+	      continued = buf[act_len - 1] == '\\';
+	      if (continued)
+		--act_len;
+	    }
+	  else
+	    continued = 0;
+
+	  /* Append to currently selected line.  */
+	  obstack_grow (&current->mem_pool, buf, act_len);
+	}
+      while (continued);
+
+      obstack_1grow (&current->mem_pool, '\0');
+      this_line = (char *) obstack_finish (&current->mem_pool);
+
+      used = 0;
+      if (this_line[0] == '$')
+	{
+	  if (isspace (this_line[1]))
+	    /* This is a comment line.  Do nothing.  */;
+	  else if (strncmp (&this_line[1], "set", 3) == 0)
+	    {
+	      int cnt = sizeof ("cnt");
+	      size_t set_number;
+	      const char *symbol = NULL;
+	      while (isspace (this_line[cnt]))
+		++cnt;
+
+	      if (isdigit (this_line[cnt]))
+		{
+		  set_number = atol (&this_line[cnt]);
+
+		  /* If the given number for the character set is
+		     higher than any we used for symbolic set names
+		     avoid clashing by using only higher numbers for
+		     the following symbolic definitions.  */
+		  if (set_number > current->last_set)
+		    current->last_set = set_number;
+		}
+	      else
+		{
+		  /* See whether it is a reasonable identifier.  */
+		  int start = cnt;
+		  while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
+		    ++cnt;
+
+		  if (cnt == start)
+		    {
+		      /* No correct character found.  */
+		      error_at_line (0, 0, fname, start_line,
+				     gettext ("illegal set number"));
+		      set_number = 0;
+		    }
+		  else
+		    {
+		      /* We have found seomthing which looks like a
+			 correct identifier.  */
+		      struct set_list *runp;
+
+		      this_line[cnt] = '\0';
+		      used = 1;
+		      symbol = &this_line[start];
+
+		      /* Test whether the identifier was already used.  */
+		      runp = current->all_sets;
+		      while (runp != 0)
+			if (runp->symbol != NULL
+			    && strcmp (runp->symbol, symbol) == 0)
+			  break;
+			else
+			  runp = runp->next;
+
+		      if (runp != NULL)
+			{
+			  /* We cannot allow duplicate identifiers for
+			     message sets.  */
+			  error_at_line (0, 0, fname, start_line,
+					 gettext ("duplicate set definition"));
+			  error_at_line (0, 0, runp->fname, runp->line,
+					 gettext ("\
+this is the first definition"));
+			  set_number = 0;
+			}
+		      else
+			/* Allocate next free message set for identifier.  */
+			set_number = ++current->last_set;
+		    }
+		}
+
+	      if (set_number != 0)
+		{
+		  /* We found a legal set number.  */
+		  current->current_set = find_set (current, set_number);
+		  if (symbol != NULL)
+		      used = 1;
+		  current->current_set->symbol = symbol;
+		  current->current_set->fname = fname;
+		  current->current_set->line = start_line;
+		}
+	    }
+	  else if (strncmp (&this_line[1], "delset", 6) == 0)
+	    {
+	      int cnt = sizeof ("delset");
+	      size_t set_number;
+	      while (isspace (this_line[cnt]))
+		++cnt;
+
+	      if (isdigit (this_line[cnt]))
+		{
+		  size_t set_number = atol (&this_line[cnt]);
+		  struct set_list *set;
+
+		  /* Mark the message set with the given number as
+		     deleted.  */
+		  set = find_set (current, set_number);
+		  set->deleted = 1;
+		}
+	      else
+		{
+		  /* See whether it is a reasonable identifier.  */
+		  int start = cnt;
+		  while (isalnum (this_line[cnt]) || this_line[cnt] == '_')
+		    ++cnt;
+
+		  if (cnt == start)
+		    {
+		      error_at_line (0, 0, fname, start_line,
+				     gettext ("illegal set number"));
+		      set_number = 0;
+		    }
+		  else
+		    {
+		      const char *symbol;
+		      struct set_list *runp;
+
+		      this_line[cnt] = '\0';
+		      used = 1;
+		      symbol = &this_line[start];
+
+		      /* We have a symbolic set name.  This name must
+			 appear somewhere else in the catalogs read so
+			 far.  */
+		      set_number = 0;
+		      for (runp = current->all_sets; runp != NULL;
+			   runp = runp->next)
+			{
+			  if (strcmp (runp->symbol, symbol) == 0)
+			    {
+			      runp->deleted = 1;
+			      break;
+			    }
+			}
+		      if (runp == NULL)
+			/* Name does not exist before.  */
+			error_at_line (0, 0, fname, start_line,
+				       gettext ("unknown set `%s'"), symbol);
+		    }
+		}
+	    }
+	  else if (strncmp (&this_line[1], "quote", 5) == 0)
+	    {
+	      int cnt = sizeof ("quote");
+	      while (isspace (this_line[cnt]))
+		++cnt;
+	      /* Yes, the quote char can be '\0'; this means no quote
+		 char.  */
+	      current->quote_char = this_line[cnt];
+	    }
+	  else
+	    {
+	      int cnt;
+	      cnt = 2;
+	      while (this_line[cnt] != '\0' && !isspace (this_line[cnt]))
+		++cnt;
+	      this_line[cnt] = '\0';
+	      error_at_line (0, 0, fname, start_line,
+			     gettext ("unknown directive `%s': line ignored"),
+			     &this_line[1]);
+	    }
+	}
+      else if (isalnum (this_line[0]) || this_line[0] == '_')
+	{
+	  const char *ident = this_line;
+	  int message_number;
+
+	  do
+	    ++this_line;
+	  while (this_line[0] != '\0' && !isspace (this_line[0]));;
+	  this_line[0] = '\0';	/* Terminate the identifier.  */
+
+	  do
+	    ++this_line;
+	  while (isspace (this_line[0]));
+	  /* Now we found the beginning of the message itself.  */
+
+	  if (isdigit (ident[0]))
+	    {
+	      struct message_list *runp;
+
+	      message_number = atoi (ident);
+
+	      /* Find location to insert the new message.  */
+	      runp = current->current_set->messages;
+	      while (runp != NULL)
+		if (runp->number == message_number)
+		  break;
+		else
+		  runp = runp->next;
+	      if (runp != NULL)
+		{
+		  /* Oh, oh.  There is already a message with this
+		     number is the message set.  */
+		  error_at_line (0, 0, fname, start_line,
+				 gettext ("duplicated message number"));
+		  error_at_line (0, 0, runp->fname, runp->line,
+				 gettext ("this is the first definition"));
+		  message_number = 0;
+		}
+	      ident = NULL;	/* We don't have a symbol.  */
+
+	      if (message_number != 0
+		  && message_number > current->current_set->last_message)
+		current->current_set->last_message = message_number;
+	    }
+	  else if (ident[0] != '\0')
+	    {
+	      struct message_list *runp;
+	      runp = current->current_set->messages;
+
+	      /* Test whether the symbolic name was not used for
+		 another message in this message set.  */
+	      while (runp != NULL)
+		if (runp->symbol != NULL && strcmp (ident, runp->symbol) == 0)
+		  break;
+		else
+		  runp = runp->next;
+	      if (runp != NULL)
+		{
+		  /* The name is already used.  */
+		  error_at_line (0, 0, fname, start_line,
+				 gettext ("duplicated message identifier"));
+		  error_at_line (0, 0, runp->fname, runp->line,
+				 gettext ("this is the first definition"));
+		  message_number = 0;
+		}
+	      else
+		/* Give the message the next unused number.  */
+		message_number = ++current->current_set->last_message;
+	    }
+	  else
+	    message_number = 0;
+
+	  if (message_number != 0)
+	    {
+	      struct message_list *newp;
+
+	      used = 1;	/* Yes, we use the line.  */
+
+	      /* Strip quote characters, change escape sequences into
+		 correct characters etc.  */
+	      normalize_line (fname, start_line, this_line,
+			      current->quote_char);
+
+	      newp = (struct message_list *) xmalloc (sizeof (*newp));
+	      newp->number = message_number;
+	      newp->message = this_line;
+	      /* Remember symbolic name; is NULL if no is given.  */
+	      newp->symbol = ident;
+	      /* Remember where we found the character.  */
+	      newp->fname = fname;
+	      newp->line = start_line;
+
+	      /* Find place to insert to message.  We keep them in a
+		 sorted single linked list.  */
+	      if (current->current_set->messages == NULL
+		  || current->current_set->messages->number > message_number)
+		{
+		  newp->next = current->current_set->messages;
+		  current->current_set->messages = newp;
+		}
+	      else
+		{
+		  struct message_list *runp;
+		  runp = current->current_set->messages;
+		  while (runp->next != NULL)
+		    if (runp->next->number > message_number)
+		      break;
+		    else
+		      runp = runp->next;
+		  newp->next = runp->next;
+		  runp->next = newp;
+		}
+	    }
+	  ++current->total_messages;
+	}
+      else
+	{
+	  size_t cnt;
+
+	  cnt = 0;
+	  /* See whether we have any non-white space character in this
+	     line.  */
+	  while (this_line[cnt] != '\0' && isspace (this_line[cnt]))
+	    ++cnt;
+
+	  if (this_line[cnt] != '\0')
+	    /* Yes, some unknown characters found.  */
+	    error_at_line (0, 0, fname, start_line,
+			   gettext ("malformed line ignored"));
+	}
+
+      /* We can save the memory for the line if it was not used.  */
+      if (!used)
+	obstack_free (&current->mem_pool, this_line);
+    }
+
+  if (fp != stdin)
+    fclose (fp);
+  return current;
+}
+
+
+static void
+write_out (struct catalog *catalog, const char *output_name,
+	   const char *header_name)
+{
+  /* Computing the "optimal" size.  */
+  struct set_list *set_run;
+  size_t best_total, best_size, best_depth;
+  size_t act_size, act_depth;
+  struct catalog_obj obj;
+  struct obstack string_pool;
+  const char *strings;
+  size_t strings_size;
+  u_int32_t *array1, *array2;
+  size_t cnt;
+  int fd;
+
+  /* If not otherwise told try to read file with existing
+     translations.  */
+  if (!force_new)
+    read_old (catalog, output_name);
+
+  /* Initialize best_size with a very high value.  */
+  best_total = best_size = best_depth = UINT_MAX;
+
+  /* We need some start size for testing.  Let's start with
+     TOTAL_MESSAGES / 5, which theoretically provides a mean depth of
+     5.  */
+  act_size = 1 + catalog->total_messages / 5;
+
+  /* We determine the size of a hash table here.  Because the message
+     numbers can be chosen arbitrary by the programmer we cannot use
+     the simple method of accessing the array using the message
+     number.  The algorithm is based on the trivial hash function
+     NUMBER % TABLE_SIZE, where collisions are stored in a second
+     dimension up to TABLE_DEPTH.  We here compute TABLE_SIZE so that
+     the needed space (= TABLE_SIZE * TABLE_DEPTH) is minimal.  */
+  while (act_size <= best_total)
+    {
+      size_t deep[act_size];
+
+      act_depth = 1;
+      memset (deep, '\0', act_size * sizeof (size_t));
+      set_run = catalog->all_sets;
+      while (set_run != NULL)
+	{
+	  struct message_list *message_run;
+
+	  message_run = set_run->messages;
+	  while (message_run != NULL)
+	    {
+	      size_t idx = (message_run->number * set_run->number) % act_size;
+
+	      ++deep[idx];
+	      if (deep[idx] > act_depth)
+		{
+		  act_depth = deep[idx];
+		  if (act_depth * act_size > best_total)
+		    break;
+		}
+	      message_run = message_run->next;
+	    }
+
+	  if (act_depth * act_size <= best_total)
+	    {
+	      /* We have found a better solution.  */
+	      best_total = act_depth * act_size;
+	      best_size = act_size;
+	      best_depth = act_depth;
+	    }
+	  set_run = set_run->next;
+	}
+
+      ++act_size;
+    }
+
+  /* let's be prepared for an empty message file.  */
+  if (best_size == UINT_MAX)
+    {
+      best_size = 1;
+      best_depth = 1;
+    }
+
+  /* OK, now we have the size we will use.  Fill in the header, build
+     the table and the second one with swapped byte order.  */
+  obj.magic = CATGETS_MAGIC;
+  obj.plane_size = best_size;
+  obj.plane_depth = best_depth;
+
+  /* Allocate room for all needed arrays.  */
+  array1 =
+    (u_int32_t *) alloca (best_size * best_depth * sizeof (u_int32_t) * 3);
+  memset (array1, '\0', best_size * best_depth * sizeof (u_int32_t) * 3);
+  array2
+    = (u_int32_t *) alloca (best_size * best_depth * sizeof (u_int32_t) * 3);
+  obstack_init (&string_pool);
+
+  set_run = catalog->all_sets;
+  while (set_run != NULL)
+    {
+      struct message_list *message_run;
+
+      message_run = set_run->messages;
+      while (message_run != NULL)
+	{
+	  size_t idx = (((message_run->number * set_run->number) % best_size)
+			* 3);
+	  /* Determine collision depth.  */
+	  while (array1[idx] != 0)
+	    idx += best_size * 3;
+
+	  /* Store set number, message number and pointer into string
+	     space, relative to the first string.  */
+	  array1[idx + 0] = set_run->number;
+	  array1[idx + 1] = message_run->number;
+	  array1[idx + 2] = obstack_object_size (&string_pool);
+
+	  /* Add current string to the continuous space containing all
+	     strings.  */
+	  obstack_grow0 (&string_pool, message_run->message,
+			 strlen (message_run->message));
+
+	  message_run = message_run->next;
+	}
+
+      set_run = set_run->next;
+    }
+  strings_size = obstack_object_size (&string_pool);
+  strings = obstack_finish (&string_pool);
+
+  /* Compute ARRAY2 by changing the byte order.  */
+  for (cnt = 0; cnt < best_size * best_depth * 3; ++cnt)
+    array2[cnt] = SWAPU32 (array1[cnt]);
+
+  /* Now we can write out the whole data.  */
+  if (strcmp (output_name, "-") == 0
+      || strcmp (output_name, "/dev/stdout") == 0)
+    fd = STDOUT_FILENO;
+  else
+    {
+      fd = creat (output_name, 0666);
+      if (fd < 0)
+	error (EXIT_FAILURE, errno, gettext ("cannot open output file `%s'"),
+	       output_name);
+    }
+
+  /* Write out header.  */
+  write (fd, &obj, sizeof (obj));
+
+  /* We always write out the little endian version of the index
+     arrays.  */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+  write (fd, array1, best_size * best_depth * sizeof (u_int32_t) * 3);
+  write (fd, array2, best_size * best_depth * sizeof (u_int32_t) * 3);
+#elif __BYTE_ORDER == __BIG_ENDIAN
+  write (fd, array2, best_size * best_depth * sizeof (u_int32_t) * 3);
+  write (fd, array1, best_size * best_depth * sizeof (u_int32_t) * 3);
+#else
+# error Cannot handle __BYTE_ORDER byte order
+#endif
+
+  /* Finally write the strings.  */
+  write (fd, strings, strings_size);
+
+  if (fd != STDOUT_FILENO)
+    close (fd);
+
+  /* If requested now write out the header file.  */
+  if (header_name != NULL)
+    {
+      int first = 1;
+      FILE *fp;
+
+      /* Open output file.  "-" or "/dev/stdout" means write to
+	 standard output.  */
+      if (strcmp (header_name, "-") == 0
+	  || strcmp (header_name, "/dev/stdout") == 0)
+	fp = stdout;
+      else
+	{
+	  fp = fopen (header_name, "w");
+	  if (fp == NULL)
+	    error (EXIT_FAILURE, errno,
+		   gettext ("cannot open output file `%s'"), header_name);
+	}
+
+      /* Iterate over all sets and all messages.  */
+      set_run = catalog->all_sets;
+      while (set_run != NULL)
+	{
+	  struct message_list *message_run;
+
+	  /* If the current message set has a symbolic name write this
+	     out first.  */
+	  if (set_run->symbol != NULL)
+	    fprintf (fp, "%s#define %sSet %#x\t/* %s:%u */\n",
+		     first ? "" : "\n", set_run->symbol, set_run->number - 1,
+		     set_run->fname, set_run->line);
+	  first = 0;
+
+	  message_run = set_run->messages;
+	  while (message_run != NULL)
+	    {
+	      /* If the current message has a symbolic name write
+		 #define out.  But we have to take care for the set
+		 not having a symbolic name.  */
+	      if (message_run->symbol != NULL)
+		if (set_run->symbol == NULL)
+		  fprintf (fp, "#define AutomaticSet%d%s %#x\t/* %s:%u */\n",
+			   set_run->number, message_run->symbol,
+			   message_run->number, message_run->fname,
+			   message_run->line);
+		else
+		  fprintf (fp, "#define %s%s %#x\t/* %s:%u */\n",
+			   set_run->symbol, message_run->symbol,
+			   message_run->number, message_run->fname,
+			   message_run->line);
+
+	      message_run = message_run->next;
+	    }
+
+	  set_run = set_run->next;
+	}
+
+      if (fp != stdout)
+	fclose (fp);
+    }
+}
+
+
+static struct set_list *
+find_set (struct catalog *current, int number)
+{
+  struct set_list *result = current->all_sets;
+
+  /* We must avoid set number 0 because a set of this number signals
+     in the tables that the entry is not occupied.  */
+  ++number;
+
+  while (result != NULL)
+    if (result->number == number)
+      return result;
+    else
+      result = result->next;
+
+  /* Prepare new message set.  */
+  result = (struct set_list *) xmalloc (sizeof (*result));
+  result->number = number;
+  result->deleted = 0;
+  result->messages = NULL;
+  result->next = current->all_sets;
+  current->all_sets = result;
+
+  return result;
+}
+
+
+/* Normalize given string *in*place* by processing escape sequences
+   and quote characters.  */
+static void
+normalize_line (const char *fname, size_t line, char *string, char quote_char)
+{
+  int is_quoted;
+  char *rp = string;
+  char *wp = string;
+
+  if (quote_char != '\0' && *rp == quote_char)
+    {
+      is_quoted = 1;
+      ++rp;
+    }
+  else
+    is_quoted = 0;
+
+  while (*rp != '\0')
+    if (*rp == quote_char)
+      /* We simply end the string when we find the first time an
+	 not-escaped quote character.  */
+	break;
+    else if (*rp == '\\')
+      {
+	++rp;
+	if (quote_char != '\0' && *rp == quote_char)
+	  /* This is an extension to XPG.  */
+	  *wp++ = *rp++;
+	else
+	  /* Recognize escape sequences.  */
+	  switch (*rp)
+	    {
+	    case 'n':
+	      *wp++ = '\n';
+	      ++rp;
+	      break;
+	    case 't':
+	      *wp++ = '\t';
+	      ++rp;
+	      break;
+	    case 'v':
+	      *wp++ = '\v';
+	      ++rp;
+	      break;
+	    case 'b':
+	      *wp++ = '\b';
+	      ++rp;
+	      break;
+	    case 'r':
+	      *wp++ = '\r';
+	      ++rp;
+	      break;
+	    case 'f':
+	      *wp++ = '\f';
+	      ++rp;
+	      break;
+	    case '\\':
+	      *wp++ = '\\';
+	      ++rp;
+	      break;
+	    case '0' ... '7':
+	      {
+		int number = *rp++ - '0';
+		while (number <= (255 / 8) && *rp >= '0' && *rp <= '7')
+		  {
+		    number *= 8;
+		    number += *rp++ - '0';
+		  }
+		*wp++ = (char) number;
+	      }
+	      break;
+	    default:
+	      /* Simply ignore the backslash character.  */
+	      break;
+	    }
+      }
+    else
+      *wp++ = *rp++;
+
+  /* If we saw a quote character at the beginning we expect another
+     one at the end.  */
+  if (is_quoted && *rp != quote_char)
+    error (0, 0, fname, line, gettext ("unterminated message"));
+
+  /* Terminate string.  */
+  *wp = '\0';
+  return;
+}
+
+
+static void
+read_old (struct catalog *catalog, const char *file_name)
+{
+  struct catalog_info old_cat_obj;
+  struct set_list *set = NULL;
+  int last_set = -1;
+  size_t cnt;
+
+  old_cat_obj.status = closed;
+  old_cat_obj.cat_name = file_name;
+
+  /* Try to open catalog, but don't look through the NLSPATH.  */
+  __open_catalog (&old_cat_obj, 0);
+
+  if (old_cat_obj.status != mmaped && old_cat_obj.status != malloced)
+    if (errno == ENOENT)
+      /* No problem, the catalog simply does not exist.  */
+      return;
+    else
+      error (EXIT_FAILURE, errno, gettext ("while opening old catalog file"));
+
+  /* OK, we have the catalog loaded.  Now read all messages and merge
+     them.  When set and message number clash for any message the new
+     one is used.  */
+  for (cnt = 0; cnt < old_cat_obj.plane_size * old_cat_obj.plane_depth; ++cnt)
+    {
+      struct message_list *message, *last;
+
+      if (old_cat_obj.name_ptr[cnt * 3 + 0] == 0)
+	/* No message in this slot.  */
+	continue;
+
+      if (old_cat_obj.name_ptr[cnt * 3 + 0] - 1 != last_set)
+	{
+	  last_set = old_cat_obj.name_ptr[cnt * 3 + 0] - 1;
+	  set = find_set (catalog, old_cat_obj.name_ptr[cnt * 3 + 0] - 1);
+	}
+
+      last = NULL;
+      message = set->messages;
+      while (message != NULL)
+	{
+	  if (message->number >= old_cat_obj.name_ptr[cnt * 3 + 1])
+	    break;
+	  last = message;
+	  message = message->next;
+	}
+
+      if (message == NULL
+	  || message->number > old_cat_obj.name_ptr[cnt * 3 + 1])
+	{
+	  /* We have found a message which is not yet in the catalog.
+	     Insert it at the right position.  */
+	  struct message_list *newp;
+
+	  newp = (struct message_list *) xmalloc (sizeof(*newp));
+	  newp->number = old_cat_obj.name_ptr[cnt * 3 + 1];
+	  newp->message =
+	    &old_cat_obj.strings[old_cat_obj.name_ptr[cnt * 3 + 2]];
+	  newp->fname = NULL;
+	  newp->line = 0;
+	  newp->symbol = NULL;
+	  newp->next = message;
+
+	  if (last == NULL)
+	    set->messages = newp;
+	  else
+	    last->next = newp;
+
+	  ++catalog->total_messages;
+	}
+    }
+}
diff --git a/catgets/nl_types.h b/catgets/nl_types.h
new file mode 100644
index 0000000000..9f78d67468
--- /dev/null
+++ b/catgets/nl_types.h
@@ -0,0 +1,48 @@
+/* Copyright (C) 1996 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
+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.  */
+
+#ifndef _NL_TYPES_H
+#define _NL_TYPES_H 1
+#include <features.h>
+
+/* The default message set used by the gencat program.  */
+#define NL_SETD 1
+
+/* Value for FLAG parameter of `catgets' to say we want XPG4 compliance.  */
+#define NL_CAT_LOCALE 1
+
+/* Message catalog descriptor type.  */
+typedef void *nl_catd;
+
+
+__BEGIN_DECLS
+
+/* Open message catalog for later use, returning descriptor.  */
+extern nl_catd catopen __P ((__const char *__cat_name, int __flag));
+
+/* Return translation with NUMBER in SET of CATALOG; if not found
+   return STRING.  */
+extern char *catgets __P ((nl_catd __catalog, int __set, int __number,
+			   __const char *__string));
+
+/* Close message CATALOG.  */
+extern int catclose __P ((nl_catd __catalog));
+
+__END_DECLS
+
+#endif /* nl_types.h  */
diff --git a/catgets/open_catalog.c b/catgets/open_catalog.c
new file mode 100644
index 0000000000..9a8c7e643e
--- /dev/null
+++ b/catgets/open_catalog.c
@@ -0,0 +1,263 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
+
+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 <endian.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include "catgetsinfo.h"
+
+
+#define SWAPU32(w) \
+  (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
+
+
+void
+__open_catalog (__nl_catd catalog, int with_path)
+{
+  int fd;
+  struct stat st;
+  int swapping;
+
+  if (strchr (catalog->cat_name, '/') != NULL || !with_path)
+    fd = open (catalog->cat_name, O_RDONLY);
+  else
+    {
+      const char *run_nlspath = catalog->nlspath;
+#define ENOUGH(n)							      \
+  if (bufact + (n) >=bufmax) 						      \
+    {									      \
+      char *old_buf = buf;						      \
+      bufmax += 256 + (n);						      \
+      buf = (char *) alloca (bufmax);					      \
+      memcpy (buf, old_buf, bufact);					      \
+    }
+
+      /* The RUN_NLSPATH variable contains a colon separated list of
+	 descriptions where we expect to find catalogs.  We have to
+	 recognize certain % substitutions and stop when we found the
+	 first existing file.  */
+      char *buf;
+      size_t bufact;
+      size_t bufmax;
+
+      buf = NULL;
+      bufmax = 0;
+
+      fd = -1;
+      while (*run_nlspath != '\0')
+	{
+	  bufact = 0;
+	  while (*run_nlspath != ':' && *run_nlspath != '\0')
+	    if (*run_nlspath == '%')
+	      {
+		const char *tmp;
+
+		++run_nlspath;	/* We have seen the `%'.  */
+		switch (*run_nlspath++)
+		  {
+		  case 'N':
+		    /* Use the catalog name.  */
+		    ENOUGH (strlen (catalog->cat_name));
+		    bufact = stpcpy (&buf[bufact], catalog->cat_name) - buf;
+		    break;
+		  case 'L':
+		    /* Use the current locale category value.  */
+		    ENOUGH (strlen (catalog->env_var));
+		    bufact = stpcpy (&buf[bufact], catalog->env_var) - buf;
+		    break;
+		  case 'l':
+		    /* Use language element of locale category value.  */
+		    tmp = catalog->env_var;
+		    do
+		      {
+			ENOUGH (1);
+			buf[bufact++] = *tmp++;
+		      }
+		    while (*tmp != '\0' && *tmp != '_' && *tmp != '.');
+		    break;
+		  case 't':
+		    /* Use territory element of locale category value.  */
+		    tmp = catalog->env_var;
+		    do
+		      ++tmp;
+		    while (*tmp != '\0' && *tmp != '_' && *tmp != '.');
+		    if (*tmp == '_')
+		      {
+			++tmp;
+			do
+			  {
+			    ENOUGH (1);
+			    buf[bufact++] = *tmp;
+			  }
+			while (*tmp != '\0' && *tmp != '.');
+		      }
+		    break;
+		  case 'c':
+		    /* Use code set element of locale category value.  */
+		    tmp = catalog->env_var;
+		    do
+		      ++tmp;
+		    while (*tmp != '\0' && *tmp != '.');
+		    if (*tmp == '.')
+		      {
+			++tmp;
+			do
+			  {
+			    ENOUGH (1);
+			    buf[bufact++] = *tmp;
+			  }
+			while (*tmp != '\0');
+		      }
+		    break;
+		  case '%':
+		    ENOUGH (1);
+		    buf[bufact++] = '%';
+		    break;
+		  default:
+		    /* Unknown variable: ignore this path element.  */
+		    bufact = 0;
+		    while (*run_nlspath != '\0' && *run_nlspath != ':')
+		      ++run_nlspath;
+		    break;
+		  }
+	      }
+	    else
+	      {
+		ENOUGH (1);
+		buf[bufact++] = *run_nlspath++;
+	      }
+	  ENOUGH (1);
+	  buf[bufact] = '\0';
+
+	  if (bufact != 0)
+	    {
+	      fd = open (buf, O_RDONLY);
+	      if (fd >= 0)
+		break;
+	    }
+
+	  ++run_nlspath;
+	}
+    }
+
+  if (fd < 0 || fstat (fd, &st) < 0)
+    {
+      catalog->status = nonexisting;
+      return;
+    }
+
+#ifndef MAP_COPY
+    /* Linux seems to lack read-only copy-on-write.  */
+#define MAP_COPY MAP_PRIVATE
+#endif
+#ifndef MAP_FILE
+    /* Some systems do not have this flag; it is superfluous.  */
+#define MAP_FILE 0
+#endif
+#ifndef MAP_INHERIT
+    /* Some systems might lack this; they lose.  */
+#define MAP_INHERIT 0
+#endif
+  catalog->file_size = st.st_size;
+  catalog->file_ptr =
+    (struct catalog_obj *) mmap (NULL, st.st_size, PROT_READ,
+				 MAP_FILE|MAP_COPY|MAP_INHERIT, fd, 0);
+  if (catalog->file_ptr != (struct catalog_obj *) -1)
+    /* Tell the world we managed to mmap the file.  */
+    catalog->status = mmaped;
+  else
+    {
+      /* mmap failed perhaps because the system call is not
+	 implemented.  Try to load the file.  */
+      size_t todo;
+      catalog->file_ptr = malloc (st.st_size);
+      if (catalog->file_ptr == NULL)
+	{
+	  catalog->status = nonexisting;
+	  return;
+	}
+      todo = st.st_size;
+      /* Save read, handle partial reads.  */
+      do
+	{
+	  size_t now = read (fd, (((char *) &catalog->file_ptr)
+				  + (st.st_size - todo)), todo);
+	  if (now == 0)
+	    {
+	      free ((void *) catalog->file_ptr);
+	      catalog->status = nonexisting;
+	      return;
+	    }
+	  todo -= now;
+	}
+      while (todo > 0);
+      catalog->status = malloced;
+    }
+
+  /* We don't need the file anymore.  */
+  close (fd);
+
+  /* Determine whether the file is a catalog file and if yes whether
+     it is written using the correct byte order.  Else we have to swap
+     the values.  */
+  if (catalog->file_ptr->magic == CATGETS_MAGIC)
+    swapping = 0;
+  else if (catalog->file_ptr->magic == SWAPU32 (CATGETS_MAGIC))
+    swapping = 1;
+  else
+    {
+      /* Illegal file.  Free he resources and mark catalog as not
+	 usable.  */
+      if (catalog->status == mmaped)
+	munmap ((void *) catalog->file_ptr, catalog->file_size);
+      else
+	free (catalog->file_ptr);
+      catalog->status = nonexisting;
+      return;
+    }
+
+#define SWAP(x) (swapping ? SWAPU32 (x) : (x))
+
+  /* Get dimensions of the used hashing table.  */
+  catalog->plane_size = SWAP (catalog->file_ptr->plane_size);
+  catalog->plane_depth = SWAP (catalog->file_ptr->plane_depth);
+
+  /* The file contains two versions of the pointer tables.  Pick the
+     right one for the local byte order.  */
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+  catalog->name_ptr = &catalog->file_ptr->name_ptr[0];
+#elif __BYTE_ORDER == __BIG_ENDIAN
+  catalog->name_ptr = &catalog->file_ptr->name_ptr[catalog->plane_size
+						  * catalog->plane_depth
+						  * 3];
+#else
+# error Cannot handle __BYTE_ORDER byte order
+#endif
+
+  /* The rest of the file contains all the strings.  They are
+     addressed relative to the position of the first string.  */
+  catalog->strings =
+    (const char *) &catalog->file_ptr->name_ptr[catalog->plane_size
+					       * catalog->plane_depth * 3 * 2];
+}