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/* Print --version and bug-reporting information in a consistent format.
Copyright (C) 1999-2021 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
This file 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Jim Meyering. */
#include <config.h>
/* Specification. */
#include "version-etc.h"
#include <stdarg.h>
#include <stdio.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 = 2021 };
/* 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", stream);
/* TRANSLATORS: The %s placeholder is the web address of the GPL license. */
fprintf (stream, _("\
License GPLv3+: GNU GPL version 3 or later <%s>.\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\
"),
"https://gnu.org/licenses/gpl.html");
fputs ("\n", stream);
switch (n_authors)
{
case 0:
/* No authors are given. The caller should output authorship
info after calling this function. */
break;
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)
{
fputs ("\n", stdout);
/* 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 (_("Report 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: <%s>\n"),
PACKAGE_NAME, "https://www.gnu.org/software/" PACKAGE "/");
#endif
printf (_("General help using GNU software: <%s>\n"),
"https://www.gnu.org/gethelp/");
}
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