text: /* Print --version and bug-reporting information in a consistent format.
     Copyright (C) 1999-2013 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 3 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/>.  */
  
  /* Written by Jim Meyering. */
  
  #include <config.h>
  
  /* Specification.  */
  #include "version-etc.h"
  
  #include <stdarg.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #if USE_UNLOCKED_IO
  # include "unlocked-io.h"
  #endif
  
  #include "gettext.h"
  #define _(msgid) gettext (msgid)
  
  /* If you use AM_INIT_AUTOMAKE's no-define option,
     PACKAGE is not defined.  Use PACKAGE_TARNAME instead.  */
  #if ! defined PACKAGE && defined PACKAGE_TARNAME
  # define PACKAGE PACKAGE_TARNAME
  #endif
  
  enum { COPYRIGHT_YEAR = 2013 };
  
  /* The three functions below display the --version information the
     standard way.
  
     If COMMAND_NAME is NULL, the PACKAGE is assumed to be the name of
     the program.  The formats are therefore:
  
     PACKAGE VERSION
  
     or
  
     COMMAND_NAME (PACKAGE) VERSION.
  
     The functions differ in the way they are passed author names. */
  
  /* Display the --version information the standard way.
  
     Author names are given in the array AUTHORS. N_AUTHORS is the
     number of elements in the array. */
  void
  version_etc_arn (FILE *stream,
                   const char *command_name, const char *package,
                   const char *version,
                   const char * const * authors, size_t n_authors)
  {
    if (command_name)
      fprintf (stream, "%s (%s) %s\n", command_name, package, version);
    else
      fprintf (stream, "%s %s\n", package, version);
  
  #ifdef PACKAGE_PACKAGER
  # ifdef PACKAGE_PACKAGER_VERSION
    fprintf (stream, _("Packaged by %s (%s)\n"), PACKAGE_PACKAGER,
             PACKAGE_PACKAGER_VERSION);
  # else
    fprintf (stream, _("Packaged by %s\n"), PACKAGE_PACKAGER);
  # endif
  #endif
  
    /* TRANSLATORS: Translate "(C)" to the copyright symbol
       (C-in-a-circle), if this symbol is available in the user's
       locale.  Otherwise, do not translate "(C)"; leave it as-is.  */
    fprintf (stream, version_etc_copyright, _("(C)"), COPYRIGHT_YEAR);
  
    fputs (_("\
  \n\
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\n\
  This is free software: you are free to change and redistribute it.\n\
  There is NO WARRANTY, to the extent permitted by law.\n\
  \n\
  "),
           stream);
  
    switch (n_authors)
      {
      case 0:
        /* The caller must provide at least one author name.  */
        abort ();
      case 1:
        /* TRANSLATORS: %s denotes an author name.  */
        fprintf (stream, _("Written by %s.\n"), authors[0]);
        break;
      case 2:
        /* TRANSLATORS: Each %s denotes an author name.  */
        fprintf (stream, _("Written by %s and %s.\n"), authors[0], authors[1]);
        break;
      case 3:
        /* TRANSLATORS: Each %s denotes an author name.  */
        fprintf (stream, _("Written by %s, %s, and %s.\n"),
                 authors[0], authors[1], authors[2]);
        break;
      case 4:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("Written by %s, %s, %s,\nand %s.\n"),
                 authors[0], authors[1], authors[2], authors[3]);
        break;
      case 5:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("Written by %s, %s, %s,\n%s, and %s.\n"),
                 authors[0], authors[1], authors[2], authors[3], authors[4]);
        break;
      case 6:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("Written by %s, %s, %s,\n%s, %s, and %s.\n"),
                 authors[0], authors[1], authors[2], authors[3], authors[4],
                 authors[5]);
        break;
      case 7:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("Written by %s, %s, %s,\n%s, %s, %s, and %s.\n"),
                 authors[0], authors[1], authors[2], authors[3], authors[4],
                 authors[5], authors[6]);
        break;
      case 8:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("\
  Written by %s, %s, %s,\n%s, %s, %s, %s,\nand %s.\n"),
                  authors[0], authors[1], authors[2], authors[3], authors[4],
                  authors[5], authors[6], authors[7]);
        break;
      case 9:
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("\
  Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, and %s.\n"),
                 authors[0], authors[1], authors[2], authors[3], authors[4],
                 authors[5], authors[6], authors[7], authors[8]);
        break;
      default:
        /* 10 or more authors.  Use an abbreviation, since the human reader
           will probably not want to read the entire list anyway.  */
        /* TRANSLATORS: Each %s denotes an author name.
           You can use line breaks, estimating that each author name occupies
           ca. 16 screen columns and that a screen line has ca. 80 columns.  */
        fprintf (stream, _("\
  Written by %s, %s, %s,\n%s, %s, %s, %s,\n%s, %s, and others.\n"),
                  authors[0], authors[1], authors[2], authors[3], authors[4],
                  authors[5], authors[6], authors[7], authors[8]);
        break;
      }
  }
  
  /* Display the --version information the standard way.  See the initial
     comment to this module, for more information.
  
     Author names are given in the NULL-terminated array AUTHORS. */
  void
  version_etc_ar (FILE *stream,
                  const char *command_name, const char *package,
                  const char *version, const char * const * authors)
  {
    size_t n_authors;
  
    for (n_authors = 0; authors[n_authors]; n_authors++)
      ;
    version_etc_arn (stream, command_name, package, version, authors, n_authors);
  }
  
  /* Display the --version information the standard way.  See the initial
     comment to this module, for more information.
  
     Author names are given in the NULL-terminated va_list AUTHORS. */
  void
  version_etc_va (FILE *stream,
                  const char *command_name, const char *package,
                  const char *version, va_list authors)
  {
    size_t n_authors;
    const char *authtab[10];
  
    for (n_authors = 0;
         n_authors < 10
           && (authtab[n_authors] = va_arg (authors, const char *)) != NULL;
         n_authors++)
      ;
    version_etc_arn (stream, command_name, package, version,
                     authtab, n_authors);
  }
  
  
  /* Display the --version information the standard way.
  
     If COMMAND_NAME is NULL, the PACKAGE is assumed to be the name of
     the program.  The formats are therefore:
  
     PACKAGE VERSION
  
     or
  
     COMMAND_NAME (PACKAGE) VERSION.
  
     The authors names are passed as separate arguments, with an additional
     NULL argument at the end.  */
  void
  version_etc (FILE *stream,
               const char *command_name, const char *package,
               const char *version, /* const char *author1, ...*/ ...)
  {
    va_list authors;
  
    va_start (authors, version);
    version_etc_va (stream, command_name, package, version, authors);
    va_end (authors);
  }
  
  void
  emit_bug_reporting_address (void)
  {
    /* TRANSLATORS: The placeholder indicates the bug-reporting address
       for this package.  Please add _another line_ saying
       "Report translation bugs to <...>\n" with the address for translation
       bugs (typically your translation team's web or email address).  */
    printf (_("\nReport bugs to: %s\n"), PACKAGE_BUGREPORT);
  #ifdef PACKAGE_PACKAGER_BUG_REPORTS
    printf (_("Report %s bugs to: %s\n"), PACKAGE_PACKAGER,
            PACKAGE_PACKAGER_BUG_REPORTS);
  #endif
  #ifdef PACKAGE_URL
    printf (_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
  #else
    printf (_("%s home page: <http://www.gnu.org/software/%s/>\n"),
            PACKAGE_NAME, PACKAGE);
  #endif
    fputs (_("General help using GNU software: <http://www.gnu.org/gethelp/>\n"),
           stdout);
  }
  