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/* ngettext - retrieve plural form strings from message catalog and print them.
Copyright (C) 1995-1997, 2000-2007, 2012, 2015-2016 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/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <getopt.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <errno.h>
#include "closeout.h"
#include "error.h"
#include "progname.h"
#include "relocatable.h"
#include "basename.h"
#include "propername.h"
#include "xsetenv.h"
#define HAVE_SETLOCALE 1
/* Make sure we use the included libintl, not the system's one. */
#undef _LIBINTL_H
#include "libgnuintl.h"
#define _(str) gettext (str)
/* Long options. */
static const struct option long_options[] =
{
{ "domain", required_argument, NULL, 'd' },
{ "env", required_argument, NULL, '=' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0 }
};
/* Forward declaration of local functions. */
static void usage (int __status)
#if defined __GNUC__ && ((__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2)
__attribute__ ((noreturn))
#endif
;
int
main (int argc, char *argv[])
{
int optchar;
const char *msgid;
const char *msgid_plural;
const char *count;
unsigned long n;
/* Default values for command line options. */
bool do_help = false;
bool do_version = false;
bool environ_changed = false;
const char *domain = getenv ("TEXTDOMAIN");
const char *domaindir = getenv ("TEXTDOMAINDIR");
/* Set program name for message texts. */
set_program_name (argv[0]);
#ifdef HAVE_SETLOCALE
/* Set locale via LC_ALL. */
setlocale (LC_ALL, "");
#endif
/* Set the text message domain. */
bindtextdomain (PACKAGE, relocate (LOCALEDIR));
textdomain (PACKAGE);
/* Ensure that write errors on stdout are detected. */
atexit (close_stdout);
/* Parse command line options. */
while ((optchar = getopt_long (argc, argv, "+d:hV", long_options, NULL))
!= EOF)
switch (optchar)
{
case '\0': /* Long option. */
break;
case 'd':
domain = optarg;
break;
case 'h':
do_help = true;
break;
case 'V':
do_version = true;
break;
case '=':
{
/* Undocumented option --env sets an environment variable. */
char *separator = strchr (optarg, '=');
if (separator != NULL)
{
*separator = '\0';
xsetenv (optarg, separator + 1, 1);
environ_changed = true;
break;
}
}
/*FALLTHROUGH*/
default:
usage (EXIT_FAILURE);
}
#ifdef HAVE_SETLOCALE
if (environ_changed)
/* Set locale again via LC_ALL. */
setlocale (LC_ALL, "");
#endif
/* Version information is requested. */
if (do_version)
{
printf ("%s (GNU %s) %s\n", basename (program_name), PACKAGE, VERSION);
/* xgettext: no-wrap */
printf (_("Copyright (C) %s Free Software Foundation, Inc.\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\
"),
"1995-1997, 2000-2006");
printf (_("Written by %s.\n"), proper_name ("Ulrich Drepper"));
exit (EXIT_SUCCESS);
}
/* Help is requested. */
if (do_help)
usage (EXIT_SUCCESS);
/* More optional command line options. */
if (argc - optind <= 2)
error (EXIT_FAILURE, 0, _("missing arguments"));
/* Now the mandatory command line options. */
msgid = argv[optind++];
msgid_plural = argv[optind++];
/* If no domain name is given we print the original string.
We mark this assigning NULL to domain. */
if (domain == NULL || domain[0] == '\0')
domain = NULL;
else
/* Bind domain to appropriate directory. */
if (domaindir != NULL && domaindir[0] != '\0')
bindtextdomain (domain, domaindir);
/* To speed up the plural-2 test, we accept more than one COUNT in one
call. */
while (optind < argc)
{
count = argv[optind++];
{
char *endp;
unsigned long tmp_val;
errno = 0;
tmp_val = strtoul (count, &endp, 10);
if (errno == 0 && count[0] != '\0' && endp[0] == '\0')
n = tmp_val;
else
/* When COUNT is not valid, use plural. */
n = 99;
}
/* If no domain name is given we don't translate, and we use English
plural form handling. */
if (domain == NULL)
fputs (n == 1 ? msgid : msgid_plural, stdout);
else
/* Write out the result. */
fputs (dngettext (domain, msgid, msgid_plural, n), stdout);
}
exit (EXIT_SUCCESS);
}
/* Display usage information and exit. */
static void
usage (int status)
{
if (status != EXIT_SUCCESS)
fprintf (stderr, _("Try '%s --help' for more information.\n"),
program_name);
else
{
/* xgettext: no-wrap */
printf (_("\
Usage: %s [OPTION] MSGID MSGID-PLURAL COUNT...\n\
-d, --domain=TEXTDOMAIN retrieve translated message from TEXTDOMAIN\n\
-h, --help display this help and exit\n\
-V, --version display version information and exit\n\
MSGID MSGID-PLURAL translate MSGID (singular) / MSGID-PLURAL (plural)\n\
COUNT choose singular/plural form based on this value\n"),
program_name);
/* xgettext: no-wrap */
printf (_("\
\n\
If the TEXTDOMAIN parameter is not given, the domain is determined from the\n\
environment variable TEXTDOMAIN. If the message catalog is not found in the\n\
regular directory, another location can be specified with the environment\n\
variable TEXTDOMAINDIR.\n\
Standard search directory: %s\n"), LOCALEDIR);
/* 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). */
fputs (_("Report bugs to <bug-gnu-gettext@gnu.org>.\n"), stdout);
}
exit (status);
}
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