[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/locale/programs/localedef.c b/ap/libc/glibc/glibc-2.23/locale/programs/localedef.c
new file mode 100644
index 0000000..6becd9a
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/locale/programs/localedef.c
@@ -0,0 +1,647 @@
+/* Copyright (C) 1995-2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1995.
+
+   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; version 2 of the License, 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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <argp.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libintl.h>
+#include <locale.h>
+#include <mcheck.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <error.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+
+#include "localedef.h"
+#include "charmap.h"
+#include "locfile.h"
+
+/* Undefine the following line in the production version.  */
+/* #define NDEBUG 1 */
+#include <assert.h>
+
+
+/* List of copied locales.  */
+struct copy_def_list_t *copy_list;
+
+/* If this is defined be POSIX conform.  */
+int posix_conformance;
+
+/* If not zero give a lot more messages.  */
+int verbose;
+
+/* If not zero suppress warnings and information messages.  */
+int be_quiet;
+
+/* If not zero, produce old-style hash table instead of 3-level access
+   tables.  */
+int oldstyle_tables;
+
+/* If not zero force output even if warning were issued.  */
+static int force_output;
+
+/* Prefix for output files.  */
+const char *output_prefix;
+
+/* Name of the character map file.  */
+static const char *charmap_file;
+
+/* Name of the locale definition file.  */
+static const char *input_file;
+
+/* Name of the repertoire map file.  */
+const char *repertoire_global;
+
+/* Name of the locale.alias file.  */
+const char *alias_file;
+
+/* List of all locales.  */
+static struct localedef_t *locales;
+
+/* If true don't add locale data to archive.  */
+bool no_archive;
+
+/* If true add named locales to archive.  */
+static bool add_to_archive;
+
+/* If true delete named locales from archive.  */
+static bool delete_from_archive;
+
+/* If true replace archive content when adding.  */
+static bool replace_archive;
+
+/* If true list archive content.  */
+static bool list_archive;
+
+/* Maximum number of retries when opening the locale archive.  */
+int max_locarchive_open_retry = 10;
+
+
+/* Name and version of program.  */
+static void print_version (FILE *stream, struct argp_state *state);
+void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
+
+#define OPT_POSIX 301
+#define OPT_QUIET 302
+#define OPT_OLDSTYLE 303
+#define OPT_PREFIX 304
+#define OPT_NO_ARCHIVE 305
+#define OPT_ADD_TO_ARCHIVE 306
+#define OPT_REPLACE 307
+#define OPT_DELETE_FROM_ARCHIVE 308
+#define OPT_LIST_ARCHIVE 309
+#define OPT_LITTLE_ENDIAN 400
+#define OPT_BIG_ENDIAN 401
+
+/* Definitions of arguments for argp functions.  */
+static const struct argp_option options[] =
+{
+  { NULL, 0, NULL, 0, N_("Input Files:") },
+  { "charmap", 'f', N_("FILE"), 0,
+    N_("Symbolic character names defined in FILE") },
+  { "inputfile", 'i', N_("FILE"), 0,
+    N_("Source definitions are found in FILE") },
+  { "repertoire-map", 'u', N_("FILE"), 0,
+    N_("FILE contains mapping from symbolic names to UCS4 values") },
+
+  { NULL, 0, NULL, 0, N_("Output control:") },
+  { "force", 'c', NULL, 0,
+    N_("Create output even if warning messages were issued") },
+  { "old-style", OPT_OLDSTYLE, NULL, 0, N_("Create old-style tables") },
+  { "prefix", OPT_PREFIX, N_("PATH"), 0, N_("Optional output file prefix") },
+  { "posix", OPT_POSIX, NULL, 0, N_("Strictly conform to POSIX") },
+  { "quiet", OPT_QUIET, NULL, 0,
+    N_("Suppress warnings and information messages") },
+  { "verbose", 'v', NULL, 0, N_("Print more messages") },
+  { NULL, 0, NULL, 0, N_("Archive control:") },
+  { "no-archive", OPT_NO_ARCHIVE, NULL, 0,
+    N_("Don't add new data to archive") },
+  { "add-to-archive", OPT_ADD_TO_ARCHIVE, NULL, 0,
+    N_("Add locales named by parameters to archive") },
+  { "replace", OPT_REPLACE, NULL, 0, N_("Replace existing archive content") },
+  { "delete-from-archive", OPT_DELETE_FROM_ARCHIVE, NULL, 0,
+    N_("Remove locales named by parameters from archive") },
+  { "list-archive", OPT_LIST_ARCHIVE, NULL, 0, N_("List content of archive") },
+  { "alias-file", 'A', N_("FILE"), 0,
+    N_("locale.alias file to consult when making archive")},
+  { "little-endian", OPT_LITTLE_ENDIAN, NULL, 0,
+    N_("Generate little-endian output") },
+  { "big-endian", OPT_BIG_ENDIAN, NULL, 0,
+    N_("Generate big-endian output") },
+  { NULL, 0, NULL, 0, NULL }
+};
+
+/* Short description of program.  */
+static const char doc[] = N_("Compile locale specification");
+
+/* Strings for arguments in help texts.  */
+static const char args_doc[] = N_("\
+NAME\n\
+[--add-to-archive|--delete-from-archive] FILE...\n\
+--list-archive [FILE]");
+
+/* Prototype for option handler.  */
+static error_t parse_opt (int key, char *arg, struct argp_state *state);
+
+/* Function to print some extra text in the help message.  */
+static char *more_help (int key, const char *text, void *input);
+
+/* Data structure to communicate with argp functions.  */
+static struct argp argp =
+{
+  options, parse_opt, args_doc, doc, NULL, more_help
+};
+
+
+/* Prototypes for local functions.  */
+static void error_print (void);
+static const char *construct_output_path (char *path);
+static const char *normalize_codeset (const char *codeset, size_t name_len);
+
+
+int
+main (int argc, char *argv[])
+{
+  const char *output_path;
+  int cannot_write_why;
+  struct charmap_t *charmap;
+  struct localedef_t global;
+  int remaining;
+
+  /* Set initial values for global variables.  */
+  copy_list = NULL;
+  posix_conformance = getenv ("POSIXLY_CORRECT") != NULL;
+  error_print_progname = error_print;
+
+  /* Set locale.  Do not set LC_ALL because the other categories must
+     not be affected (according to POSIX.2).  */
+  setlocale (LC_MESSAGES, "");
+  setlocale (LC_CTYPE, "");
+
+  /* Initialize the message catalog.  */
+  textdomain (_libc_intl_domainname);
+
+  /* Parse and process arguments.  */
+  argp_err_exit_status = 4;
+  argp_parse (&argp, argc, argv, 0, &remaining, NULL);
+
+  /* Handle a few special cases.  */
+  if (list_archive)
+    show_archive_content (remaining > 1 ? argv[remaining] : NULL, verbose);
+  if (add_to_archive)
+    return add_locales_to_archive (argc - remaining, &argv[remaining],
+				   replace_archive);
+  if (delete_from_archive)
+    return delete_locales_from_archive (argc - remaining, &argv[remaining]);
+
+  /* POSIX.2 requires to be verbose about missing characters in the
+     character map.  */
+  verbose |= posix_conformance;
+
+  if (argc - remaining != 1)
+    {
+      /* We need exactly one non-option parameter.  */
+      argp_help (&argp, stdout, ARGP_HELP_SEE | ARGP_HELP_EXIT_ERR,
+		 program_invocation_short_name);
+      exit (4);
+    }
+
+  /* The parameter describes the output path of the constructed files.
+     If the described files cannot be written return a NULL pointer.  */
+  output_path  = construct_output_path (argv[remaining]);
+  if (output_path == NULL && ! no_archive)
+    error (4, errno, _("cannot create directory for output files"));
+  cannot_write_why = errno;
+
+  /* Now that the parameters are processed we have to reset the local
+     ctype locale.  (P1003.2 4.35.5.2)  */
+  setlocale (LC_CTYPE, "POSIX");
+
+  /* Look whether the system really allows locale definitions.  POSIX
+     defines error code 3 for this situation so I think it must be
+     a fatal error (see P1003.2 4.35.8).  */
+  if (sysconf (_SC_2_LOCALEDEF) < 0)
+    WITH_CUR_LOCALE (error (3, 0, _("\
+FATAL: system does not define `_POSIX2_LOCALEDEF'")));
+
+  /* Process charmap file.  */
+  charmap = charmap_read (charmap_file, verbose, 1, be_quiet, 1);
+
+  /* Add the first entry in the locale list.  */
+  memset (&global, '\0', sizeof (struct localedef_t));
+  global.name = input_file ?: "/dev/stdin";
+  global.needed = ALL_LOCALES;
+  locales = &global;
+
+  /* Now read the locale file.  */
+  if (locfile_read (&global, charmap) != 0)
+    WITH_CUR_LOCALE (error (4, errno, _("\
+cannot open locale definition file `%s'"), input_file));
+
+  /* Perhaps we saw some `copy' instructions.  */
+  while (1)
+    {
+      struct localedef_t *runp = locales;
+
+      while (runp != NULL && (runp->needed & runp->avail) == runp->needed)
+	runp = runp->next;
+
+      if (runp == NULL)
+	/* Everything read.  */
+	break;
+
+      if (locfile_read (runp, charmap) != 0)
+	WITH_CUR_LOCALE (error (4, errno, _("\
+cannot open locale definition file `%s'"), runp->name));
+    }
+
+  /* Check the categories we processed in source form.  */
+  check_all_categories (locales, charmap);
+
+  /* We are now able to write the data files.  If warning were given we
+     do it only if it is explicitly requested (--force).  */
+  if (error_message_count == 0 || force_output != 0)
+    {
+      if (cannot_write_why != 0)
+	WITH_CUR_LOCALE (error (4, cannot_write_why, _("\
+cannot write output files to `%s'"), output_path ? : argv[remaining]));
+      else
+	write_all_categories (locales, charmap, argv[remaining], output_path);
+    }
+  else
+    WITH_CUR_LOCALE (error (4, 0, _("\
+no output file produced because warnings were issued")));
+
+  /* This exit status is prescribed by POSIX.2 4.35.7.  */
+  exit (error_message_count != 0);
+}
+
+
+/* Handle program arguments.  */
+static error_t
+parse_opt (int key, char *arg, struct argp_state *state)
+{
+  switch (key)
+    {
+    case OPT_QUIET:
+      be_quiet = 1;
+      break;
+    case OPT_POSIX:
+      posix_conformance = 1;
+      break;
+    case OPT_OLDSTYLE:
+      oldstyle_tables = 1;
+      break;
+    case OPT_PREFIX:
+      output_prefix = arg;
+      break;
+    case OPT_NO_ARCHIVE:
+      no_archive = true;
+      break;
+    case OPT_ADD_TO_ARCHIVE:
+      add_to_archive = true;
+      break;
+    case OPT_REPLACE:
+      replace_archive = true;
+      break;
+    case OPT_DELETE_FROM_ARCHIVE:
+      delete_from_archive = true;
+      break;
+    case OPT_LIST_ARCHIVE:
+      list_archive = true;
+      break;
+    case OPT_LITTLE_ENDIAN:
+      set_big_endian (false);
+      break;
+    case OPT_BIG_ENDIAN:
+      set_big_endian (true);
+      break;
+    case 'c':
+      force_output = 1;
+      break;
+    case 'f':
+      charmap_file = arg;
+      break;
+    case 'A':
+      alias_file = arg;
+      break;
+    case 'i':
+      input_file = arg;
+      break;
+    case 'u':
+      repertoire_global = arg;
+      break;
+    case 'v':
+      verbose = 1;
+      break;
+    default:
+      return ARGP_ERR_UNKNOWN;
+    }
+  return 0;
+}
+
+
+static char *
+more_help (int key, const char *text, void *input)
+{
+  char *cp;
+  char *tp;
+
+  switch (key)
+    {
+    case ARGP_KEY_HELP_EXTRA:
+      /* We print some extra information.  */
+      if (asprintf (&tp, gettext ("\
+For bug reporting instructions, please see:\n\
+%s.\n"), REPORT_BUGS_TO) < 0)
+	return NULL;
+      if (asprintf (&cp, gettext ("\
+System's directory for character maps : %s\n\
+		       repertoire maps: %s\n\
+		       locale path    : %s\n\
+%s"),
+		    CHARMAP_PATH, REPERTOIREMAP_PATH, LOCALE_PATH, tp) < 0)
+	{
+	  free (tp);
+	  return NULL;
+	}
+      return cp;
+    default:
+      break;
+    }
+  return (char *) text;
+}
+
+/* Print the version information.  */
+static void
+print_version (FILE *stream, struct argp_state *state)
+{
+  fprintf (stream, "localedef %s%s\n", PKGVERSION, VERSION);
+  fprintf (stream, gettext ("\
+Copyright (C) %s Free Software Foundation, Inc.\n\
+This is free software; see the source for copying conditions.  There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"), "2016");
+  fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
+}
+
+
+/* The address of this function will be assigned to the hook in the error
+   functions.  */
+static void
+error_print (void)
+{
+}
+
+
+/* The parameter to localedef describes the output path.  If it does
+   contain a '/' character it is a relative path.  Otherwise it names the
+   locale this definition is for.  */
+static const char *
+construct_output_path (char *path)
+{
+  const char *normal = NULL;
+  char *result;
+  char *endp;
+
+  if (strchr (path, '/') == NULL)
+    {
+      /* This is a system path.  First examine whether the locale name
+	 contains a reference to the codeset.  This should be
+	 normalized.  */
+      char *startp;
+
+      startp = path;
+      /* We must be prepared for finding a CEN name or a location of
+	 the introducing `.' where it is not possible anymore.  */
+      while (*startp != '\0' && *startp != '@' && *startp != '.')
+	++startp;
+      if (*startp == '.')
+	{
+	  /* We found a codeset specification.  Now find the end.  */
+	  endp = ++startp;
+	  while (*endp != '\0' && *endp != '@')
+	    ++endp;
+
+	  if (endp > startp)
+	    normal = normalize_codeset (startp, endp - startp);
+	}
+      else
+	/* This is to keep gcc quiet.  */
+	endp = NULL;
+
+      /* We put an additional '\0' at the end of the string because at
+	 the end of the function we need another byte for the trailing
+	 '/'.  */
+      ssize_t n;
+      if (normal == NULL)
+	n = asprintf (&result, "%s%s/%s%c", output_prefix ?: "",
+		      COMPLOCALEDIR, path, '\0');
+      else
+	n = asprintf (&result, "%s%s/%.*s%s%s%c",
+		      output_prefix ?: "", COMPLOCALEDIR,
+		      (int) (startp - path), path, normal, endp, '\0');
+
+      if (n < 0)
+	return NULL;
+
+      endp = result + n - 1;
+    }
+  else
+    {
+      /* This is a user path.  Please note the additional byte in the
+	 memory allocation.  */
+      size_t len = strlen (path) + 1;
+      result = xmalloc (len + 1);
+      endp = mempcpy (result, path, len) - 1;
+
+      /* If the user specified an output path we cannot add the output
+	 to the archive.  */
+      no_archive = true;
+    }
+
+  errno = 0;
+
+  if (no_archive && euidaccess (result, W_OK) == -1)
+    /* Perhaps the directory does not exist now.  Try to create it.  */
+    if (errno == ENOENT)
+      {
+	errno = 0;
+	if (mkdir (result, 0777) < 0)
+	  return NULL;
+      }
+
+  *endp++ = '/';
+  *endp = '\0';
+
+  return result;
+}
+
+
+/* Normalize codeset name.  There is no standard for the codeset
+   names.  Normalization allows the user to use any of the common
+   names.  */
+static const char *
+normalize_codeset (const char *codeset, size_t name_len)
+{
+  int len = 0;
+  int only_digit = 1;
+  char *retval;
+  char *wp;
+  size_t cnt;
+
+  for (cnt = 0; cnt < name_len; ++cnt)
+    if (isalnum (codeset[cnt]))
+      {
+	++len;
+
+	if (isalpha (codeset[cnt]))
+	  only_digit = 0;
+      }
+
+  retval = (char *) malloc ((only_digit ? 3 : 0) + len + 1);
+
+  if (retval != NULL)
+    {
+      if (only_digit)
+	wp = stpcpy (retval, "iso");
+      else
+	wp = retval;
+
+      for (cnt = 0; cnt < name_len; ++cnt)
+	if (isalpha (codeset[cnt]))
+	  *wp++ = tolower (codeset[cnt]);
+	else if (isdigit (codeset[cnt]))
+	  *wp++ = codeset[cnt];
+
+      *wp = '\0';
+    }
+
+  return (const char *) retval;
+}
+
+
+struct localedef_t *
+add_to_readlist (int category, const char *name, const char *repertoire_name,
+		 int generate, struct localedef_t *copy_locale)
+{
+  struct localedef_t *runp = locales;
+
+  while (runp != NULL && strcmp (name, runp->name) != 0)
+    runp = runp->next;
+
+  if (runp == NULL)
+    {
+      /* Add a new entry at the end.  */
+      struct localedef_t *newp;
+
+      assert (generate == 1);
+
+      newp = xcalloc (1, sizeof (struct localedef_t));
+      newp->name = name;
+      newp->repertoire_name = repertoire_name;
+
+      if (locales == NULL)
+	runp = locales = newp;
+      else
+	{
+	  runp = locales;
+	  while (runp->next != NULL)
+	    runp = runp->next;
+	  runp = runp->next = newp;
+	}
+    }
+
+  if (generate
+      && (runp->needed & (1 << category)) != 0
+      && (runp->avail & (1 << category)) == 0)
+    WITH_CUR_LOCALE (error (5, 0, _("\
+circular dependencies between locale definitions")));
+
+  if (copy_locale != NULL)
+    {
+      if (runp->categories[category].generic != NULL)
+	WITH_CUR_LOCALE (error (5, 0, _("\
+cannot add already read locale `%s' a second time"), name));
+      else
+	runp->categories[category].generic =
+	  copy_locale->categories[category].generic;
+    }
+
+  runp->needed |= 1 << category;
+
+  return runp;
+}
+
+
+struct localedef_t *
+find_locale (int category, const char *name, const char *repertoire_name,
+	     const struct charmap_t *charmap)
+{
+  struct localedef_t *result;
+
+  /* Find the locale, but do not generate it since this would be a bug.  */
+  result = add_to_readlist (category, name, repertoire_name, 0, NULL);
+
+  assert (result != NULL);
+
+  if ((result->avail & (1 << category)) == 0
+      && locfile_read (result, charmap) != 0)
+    WITH_CUR_LOCALE (error (4, errno, _("\
+cannot open locale definition file `%s'"), result->name));
+
+  return result;
+}
+
+
+struct localedef_t *
+load_locale (int category, const char *name, const char *repertoire_name,
+	     const struct charmap_t *charmap, struct localedef_t *copy_locale)
+{
+  struct localedef_t *result;
+
+  /* Generate the locale if it does not exist.  */
+  result = add_to_readlist (category, name, repertoire_name, 1, copy_locale);
+
+  assert (result != NULL);
+
+  if ((result->avail & (1 << category)) == 0
+      && locfile_read (result, charmap) != 0)
+    WITH_CUR_LOCALE (error (4, errno, _("\
+cannot open locale definition file `%s'"), result->name));
+
+  return result;
+}
+
+static void
+turn_on_mcheck (void)
+{
+  /* Enable `malloc' debugging.  */
+  mcheck (NULL);
+  /* Use the following line for a more thorough but much slower testing.  */
+  /* mcheck_pedantic (NULL); */
+}
+
+void (*__malloc_initialize_hook) (void) = turn_on_mcheck;