libarchive/test/test_gnutar_filename_encoding.c - third_party/libarchive - Git at Google

 /*-
  * Copyright (c) 2011 Michihiro NAKAJIMA
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "test.h"
 __FBSDID("$FreeBSD$");

 #include <locale.h>

 DEFINE_TEST(test_gnutar_filename_encoding_UTF8_CP866)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "en_US.UTF-8")) {
 		skipping("en_US.UTF-8 locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that UTF-8 filenames are correctly translated into CP866
 	 * and stored with hdrcharset=CP866 option.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=CP866") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from UTF-8 to CP866.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a UTF-8 filename. */
 	archive_entry_set_pathname(entry, "\xD0\xBF\xD1\x80\xD0\xB8");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in UTF-8 should translate to the following
 	 * three characters in CP866. */
 	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_KOI8R_UTF8)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "ru_RU.KOI8-R")) {
 		skipping("KOI8-R locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that KOI8-R filenames are correctly translated into UTF-8
 	 * and stored with hdrcharset=UTF-8 option.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from KOI8-R to UTF-8.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a KOI8-R filename. */
 	archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in KOI8-R should translate to the following
 	 * three characters (two bytes each) in UTF-8. */
 	assertEqualMem(buff, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_KOI8R_CP866)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "ru_RU.KOI8-R")) {
 		skipping("KOI8-R locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that KOI8-R filenames are correctly translated into CP866
 	 * and stored with hdrcharset=CP866 option.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=CP866") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from KOI8-R to CP866.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a KOI8-R filename. */
 	archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in KOI8-R should translate to the following
 	 * three characters in CP866. */
 	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_CP1251_UTF8)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "Russian_Russia") &&
 	    NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
 		skipping("KOI8-R locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that CP1251 filenames are correctly translated into UTF-8
 	 * and stored with hdrcharset=UTF-8 option.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from KOI8-R to UTF-8.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a KOI8-R filename. */
 	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in CP1251 should translate to the following
 	 * three characters (two bytes each) in UTF-8. */
 	assertEqualMem(buff, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
 }

 /*
  * Do not translate CP1251 into CP866 if non Windows platform.
  */
 DEFINE_TEST(test_gnutar_filename_encoding_ru_RU_CP1251)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
 		skipping("KOI8-R locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that CP1251 filenames are not translated into any
 	 * other character-set, in particular, CP866.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a KOI8-R filename. */
 	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in CP1251 should not translate to
 	 * any other character-set. */
 	assertEqualMem(buff, "\xEF\xF0\xE8", 3);
 }

 /*
  * Other archiver applications on Windows translate CP1251 filenames
  * into CP866 filenames and store it in the gnutar file.
  * Test above behavior works well.
  */
 DEFINE_TEST(test_gnutar_filename_encoding_Russian_Russia)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "Russian_Russia")) {
 		skipping("Russian_Russia locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that Russian_Russia(CP1251) filenames are correctly translated
 	 * to CP866.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set a CP1251 filename. */
 	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Above three characters in CP1251 should translate to the following
 	 * three characters in CP866. */
 	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_EUCJP_UTF8)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "ja_JP.eucJP")) {
 		skipping("eucJP locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that EUC-JP filenames are correctly translated to UTF-8.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from eucJP to UTF-8.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set an EUC-JP filename. */
 	archive_entry_set_pathname(entry, "\xC9\xBD.txt");
 	/* Check the Unicode version. */
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Check UTF-8 version. */
 	assertEqualMem(buff, "\xE8\xA1\xA8.txt", 7);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_EUCJP_CP932)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "ja_JP.eucJP")) {
 		skipping("eucJP locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that EUC-JP filenames are correctly translated to CP932.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=CP932") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from eucJP to CP932.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set an EUC-JP filename. */
 	archive_entry_set_pathname(entry, "\xC9\xBD.txt");
 	/* Check the Unicode version. */
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Check CP932 version. */
 	assertEqualMem(buff, "\x95\x5C.txt", 6);
 }

 DEFINE_TEST(test_gnutar_filename_encoding_CP932_UTF8)
 {
   	struct archive *a;
   	struct archive_entry *entry;
 	char buff[4096];
 	size_t used;

 	if (NULL == setlocale(LC_ALL, "Japanese_Japan") &&
 	    NULL == setlocale(LC_ALL, "ja_JP.SJIS")) {
 		skipping("CP932/SJIS locale not available on this system.");
 		return;
 	}

 	/*
 	 * Verify that CP932/SJIS filenames are correctly translated to UTF-8.
 	 */
 	a = archive_write_new();
 	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
 	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
 		skipping("This system cannot convert character-set"
 		    " from CP932/SJIS to UTF-8.");
 		archive_write_free(a);
 		return;
 	}
 	assertEqualInt(ARCHIVE_OK,
 	    archive_write_open_memory(a, buff, sizeof(buff), &used));

 	entry = archive_entry_new2(a);
 	/* Set an CP932/SJIS filename. */
 	archive_entry_set_pathname(entry, "\x95\x5C.txt");
 	/* Check the Unicode version. */
 	archive_entry_set_filetype(entry, AE_IFREG);
 	archive_entry_set_size(entry, 0);
 	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
 	archive_entry_free(entry);
 	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

 	/* Check UTF-8 version. */
 	assertEqualMem(buff, "\xE8\xA1\xA8.txt", 7);
 }
	/*-
	* Copyright (c) 2011 Michihiro NAKAJIMA
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/
	#include "test.h"
	__FBSDID("$FreeBSD$");

	#include <locale.h>

	DEFINE_TEST(test_gnutar_filename_encoding_UTF8_CP866)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "en_US.UTF-8")) {
	skipping("en_US.UTF-8 locale not available on this system.");
	return;
	}

	/*
	* Verify that UTF-8 filenames are correctly translated into CP866
	* and stored with hdrcharset=CP866 option.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=CP866") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from UTF-8 to CP866.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a UTF-8 filename. */
	archive_entry_set_pathname(entry, "\xD0\xBF\xD1\x80\xD0\xB8");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in UTF-8 should translate to the following
	* three characters in CP866. */
	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_KOI8R_UTF8)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "ru_RU.KOI8-R")) {
	skipping("KOI8-R locale not available on this system.");
	return;
	}

	/*
	* Verify that KOI8-R filenames are correctly translated into UTF-8
	* and stored with hdrcharset=UTF-8 option.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from KOI8-R to UTF-8.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a KOI8-R filename. */
	archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in KOI8-R should translate to the following
	* three characters (two bytes each) in UTF-8. */
	assertEqualMem(buff, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_KOI8R_CP866)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "ru_RU.KOI8-R")) {
	skipping("KOI8-R locale not available on this system.");
	return;
	}

	/*
	* Verify that KOI8-R filenames are correctly translated into CP866
	* and stored with hdrcharset=CP866 option.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=CP866") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from KOI8-R to CP866.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a KOI8-R filename. */
	archive_entry_set_pathname(entry, "\xD0\xD2\xC9");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in KOI8-R should translate to the following
	* three characters in CP866. */
	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_CP1251_UTF8)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "Russian_Russia") &&
	NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
	skipping("KOI8-R locale not available on this system.");
	return;
	}

	/*
	* Verify that CP1251 filenames are correctly translated into UTF-8
	* and stored with hdrcharset=UTF-8 option.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from KOI8-R to UTF-8.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a KOI8-R filename. */
	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in CP1251 should translate to the following
	* three characters (two bytes each) in UTF-8. */
	assertEqualMem(buff, "\xD0\xBF\xD1\x80\xD0\xB8", 6);
	}

	/*
	* Do not translate CP1251 into CP866 if non Windows platform.
	*/
	DEFINE_TEST(test_gnutar_filename_encoding_ru_RU_CP1251)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
	skipping("KOI8-R locale not available on this system.");
	return;
	}

	/*
	* Verify that CP1251 filenames are not translated into any
	* other character-set, in particular, CP866.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a KOI8-R filename. */
	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in CP1251 should not translate to
	* any other character-set. */
	assertEqualMem(buff, "\xEF\xF0\xE8", 3);
	}

	/*
	* Other archiver applications on Windows translate CP1251 filenames
	* into CP866 filenames and store it in the gnutar file.
	* Test above behavior works well.
	*/
	DEFINE_TEST(test_gnutar_filename_encoding_Russian_Russia)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "Russian_Russia")) {
	skipping("Russian_Russia locale not available on this system.");
	return;
	}

	/*
	* Verify that Russian_Russia(CP1251) filenames are correctly translated
	* to CP866.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set a CP1251 filename. */
	archive_entry_set_pathname(entry, "\xEF\xF0\xE8");
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Above three characters in CP1251 should translate to the following
	* three characters in CP866. */
	assertEqualMem(buff, "\xAF\xE0\xA8", 3);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_EUCJP_UTF8)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "ja_JP.eucJP")) {
	skipping("eucJP locale not available on this system.");
	return;
	}

	/*
	* Verify that EUC-JP filenames are correctly translated to UTF-8.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from eucJP to UTF-8.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set an EUC-JP filename. */
	archive_entry_set_pathname(entry, "\xC9\xBD.txt");
	/* Check the Unicode version. */
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Check UTF-8 version. */
	assertEqualMem(buff, "\xE8\xA1\xA8.txt", 7);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_EUCJP_CP932)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "ja_JP.eucJP")) {
	skipping("eucJP locale not available on this system.");
	return;
	}

	/*
	* Verify that EUC-JP filenames are correctly translated to CP932.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=CP932") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from eucJP to CP932.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set an EUC-JP filename. */
	archive_entry_set_pathname(entry, "\xC9\xBD.txt");
	/* Check the Unicode version. */
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Check CP932 version. */
	assertEqualMem(buff, "\x95\x5C.txt", 6);
	}

	DEFINE_TEST(test_gnutar_filename_encoding_CP932_UTF8)
	{
	struct archive *a;
	struct archive_entry *entry;
	char buff[4096];
	size_t used;

	if (NULL == setlocale(LC_ALL, "Japanese_Japan") &&
	NULL == setlocale(LC_ALL, "ja_JP.SJIS")) {
	skipping("CP932/SJIS locale not available on this system.");
	return;
	}

	/*
	* Verify that CP932/SJIS filenames are correctly translated to UTF-8.
	*/
	a = archive_write_new();
	assertEqualInt(ARCHIVE_OK, archive_write_set_format_gnutar(a));
	if (archive_write_set_options(a, "hdrcharset=UTF-8") != ARCHIVE_OK) {
	skipping("This system cannot convert character-set"
	" from CP932/SJIS to UTF-8.");
	archive_write_free(a);
	return;
	}
	assertEqualInt(ARCHIVE_OK,
	archive_write_open_memory(a, buff, sizeof(buff), &used));

	entry = archive_entry_new2(a);
	/* Set an CP932/SJIS filename. */
	archive_entry_set_pathname(entry, "\x95\x5C.txt");
	/* Check the Unicode version. */
	archive_entry_set_filetype(entry, AE_IFREG);
	archive_entry_set_size(entry, 0);
	assertEqualInt(ARCHIVE_OK, archive_write_header(a, entry));
	archive_entry_free(entry);
	assertEqualInt(ARCHIVE_OK, archive_write_free(a));

	/* Check UTF-8 version. */
	assertEqualMem(buff, "\xE8\xA1\xA8.txt", 7);
	}