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/* Verify that using C.UTF-8 works.
Copyright (C) 2021-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <iconv.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <support/support.h>
#include <support/check.h>
/* This test does two things:
(1) Verify that we have likely included translit_combining in C.UTF-8.
(2) Verify default_missing is '?' as expected. */
/* ISO-8859-1 encoding of "für". */
char iso88591_in[] = { 0x66, 0xfc, 0x72, 0x0 };
/* ASCII transliteration is "fur" with C.UTF-8 translit_combining. */
char ascii_exp[] = { 0x66, 0x75, 0x72, 0x0 };
/* First 3-byte UTF-8 code point. */
char utf8_in[] = { 0xe0, 0xa0, 0x80, 0x0 };
/* There is no ASCII transliteration for SAMARITAN LETTER ALAF
so we get default_missing used which is '?'. */
char default_missing_exp[] = { 0x3f, 0x0 };
static int
do_test (void)
{
char ascii_out[5];
iconv_t cd;
char *inbuf;
char *outbuf;
size_t inbytes;
size_t outbytes;
size_t n;
/* The C.UTF-8 locale should include translit_combining, which provides
the transliteration for "LATIN SMALL LETTER U WITH DIAERESIS" which
is not provided by locale/C-translit.h.in. */
xsetlocale (LC_ALL, "C.UTF-8");
/* From ISO-8859-1 to ASCII. */
cd = iconv_open ("ASCII//TRANSLIT,IGNORE", "ISO-8859-1");
TEST_VERIFY (cd != (iconv_t) -1);
inbuf = iso88591_in;
inbytes = 3;
outbuf = ascii_out;
outbytes = 3;
n = iconv (cd, &inbuf, &inbytes, &outbuf, &outbytes);
TEST_VERIFY (n != -1);
*outbuf = '\0';
TEST_COMPARE_BLOB (ascii_out, 3, ascii_exp, 3);
TEST_VERIFY (iconv_close (cd) == 0);
/* From UTF-8 to ASCII. */
cd = iconv_open ("ASCII//TRANSLIT,IGNORE", "UTF-8");
TEST_VERIFY (cd != (iconv_t) -1);
inbuf = utf8_in;
inbytes = 3;
outbuf = ascii_out;
outbytes = 3;
n = iconv (cd, &inbuf, &inbytes, &outbuf, &outbytes);
TEST_VERIFY (n != -1);
*outbuf = '\0';
TEST_COMPARE_BLOB (ascii_out, 1, default_missing_exp, 1);
TEST_VERIFY (iconv_close (cd) == 0);
return 0;
}
#include <support/test-driver.c>
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