path: root/iconv/iconv_prog.c

/* Convert text in given files from the specified from-set to the to-set.
   Copyright (C) 1998-2021 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.

   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 <https://www.gnu.org/licenses/>.  */

#include <argp.h>
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <iconv.h>
#include <langinfo.h>
#include <locale.h>
#include <search.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <libintl.h>
#ifdef _POSIX_MAPPED_FILES
# include <sys/mman.h>
#endif
#include <charmap.h>
#include <gconv_int.h>
#include "iconv_prog.h"
#include "iconvconfig.h"
#include "gconv_charset.h"

/* Get libc version number.  */
#include "../version.h"

#define PACKAGE _libc_intl_domainname


/* 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_VERBOSE	1000
#define OPT_LIST	'l'

/* Definitions of arguments for argp functions.  */
static const struct argp_option options[] =
{
  { NULL, 0, NULL, 0, N_("Input/Output format specification:") },
  { "from-code", 'f', N_("NAME"), 0, N_("encoding of original text") },
  { "to-code", 't', N_("NAME"), 0, N_("encoding for output") },
  { NULL, 0, NULL, 0, N_("Information:") },
  { "list", 'l', NULL, 0, N_("list all known coded character sets") },
  { NULL, 0, NULL, 0, N_("Output control:") },
  { NULL, 'c', NULL, 0, N_("omit invalid characters from output") },
  { "output", 'o', N_("FILE"), 0, N_("output file") },
  { "silent", 's', NULL, 0, N_("suppress warnings") },
  { "verbose", OPT_VERBOSE, NULL