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/* Test of conversion of wide character to multibyte character.
Copyright (C) 2008-2024 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 <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
#include <config.h>
#include <uchar.h>
#include "signature.h"
SIGNATURE_CHECK (c32rtomb, size_t, (char *, char32_t, mbstate_t *));
#include <locale.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
/* Check the multibyte character s[0..n-1]. */
static void
check_character (const char *s, size_t n)
{
mbstate_t state;
char32_t wc;
char buf[64];
int iret;
size_t ret;
memset (&state, '\0', sizeof (mbstate_t));
wc = (char32_t) 0xBADFACE;
iret = mbrtoc32 (&wc, s, n, &state);
ASSERT (iret == n);
ret = c32rtomb (buf, wc, NULL);
ASSERT (ret == n);
ASSERT (memcmp (buf, s, n) == 0);
/* Test special calling convention, passing a NULL pointer. */
ret = c32rtomb (NULL, wc, NULL);
ASSERT (ret == 1);
}
int
main (int argc, char *argv[])
{
char buf[64];
size_t ret;
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
/* Test NUL character. */
{
buf[0] = 'x';
ret = c32rtomb (buf, 0, NULL);
ASSERT (ret == 1);
ASSERT (buf[0] == '\0');
}
/* Test single bytes. */
{
int c;
for (c = 0; c < 0x100; c++)
switch (c)
{
case '\t': case '\v': case '\f':
case ' ': case '!': case '"': case '#': case '%':
case '&': case '\'': case '(': case ')': case '*':
case '+': case ',': case '-': case '.': case '/':
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
case ':': case ';': case '<': case '=': case '>':
case '?':
case 'A': case 'B': case 'C': case 'D': case 'E':
case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O':
case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y':
case 'Z':
case '[': case '\\': case ']': case '^': case '_':
case 'a': case 'b': case 'c': case 'd': case 'e':
case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o':
case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y':
case 'z': case '{': case '|': case '}': case '~':
/* c is in the ISO C "basic character set". */
ret = c32rtomb (buf, btoc32 (c), NULL);
ASSERT (ret == 1);
ASSERT (buf[0] == (char) c);
break;
}
}
/* Test special calling convention, passing a NULL pointer. */
{
ret = c32rtomb (NULL, '\0', NULL);
ASSERT (ret == 1);
ret = c32rtomb (NULL, btoc32 ('x'), NULL);
ASSERT (ret == 1);
}
if (argc > 1)
switch (argv[1][0])
{
case '1':
/* C locale; tested above. */
return 0;
case '2':
/* Locale encoding is ISO-8859-1 or ISO-8859-15. */
{
const char input[] = "B\374\337er"; /* "Büßer" */
check_character (input + 1, 1);
check_character (input + 2, 1);
}
return 0;
case '3':
/* Locale encoding is UTF-8. */
{
const char input[] = "s\303\274\303\237\360\237\230\213!"; /* "süß😋!" */
check_character (input + 1, 2);
check_character (input + 3, 2);
check_character (input + 5, 4);
}
return 0;
case '4':
/* Locale encoding is EUC-JP. */
{
const char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */
check_character (input + 1, 2);
check_character (input + 3, 2);
check_character (input + 5, 2);
}
return 0;
case '5':
/* Locale encoding is GB18030. */
#if (defined __GLIBC__ && __GLIBC__ == 2 && __GLIBC_MINOR__ >= 13 && __GLIBC_MINOR__ <= 15) || (GL_CHAR32_T_IS_UNICODE && (defined __FreeBSD__ || defined __NetBSD__ || defined __sun))
fputs ("Skipping test: The GB18030 converter in this system's iconv is broken.\n", stderr);
return 77;
#endif
{
const char input[] = "s\250\271\201\060\211\070\224\071\375\067!"; /* "süß😋!" */
check_character (input + 1, 2);
check_character (input + 3, 4);
check_character (input + 7, 4);
}
return 0;
}
return 1;
}
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