/* Test restarting behaviour of mbsrtowcs. Copyright (C) 2000-2016 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 <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include <string.h> #include <wchar.h> #include <locale.h> #define show(expr, nexp, wcexp, end) \ n = expr; \ printf (#expr " -> %zu", n); \ printf (", wc = %lu, src = buf+%td", (unsigned long int) wc, \ src - (const char *) buf); \ if (n != (size_t) nexp || wc != wcexp || src != (const char *) (end)) \ { \ printf (", expected %zu and %lu and buf+%td", (size_t) nexp, \ (unsigned long int) wcexp, (end) - buf); \ result = 1; \ } \ putc ('\n', stdout) static int do_test (void) { unsigned char buf[6] = { 0x25, 0xe2, 0x82, 0xac, 0xce, 0xbb }; mbstate_t state; const char *src; wchar_t wc = 42; size_t n; int result = 0; const char *used_locale; setlocale (LC_CTYPE,"de_DE.UTF-8"); /* Double check. */ used_locale = setlocale (LC_CTYPE, NULL); printf ("used locale: \"%s\"\n", used_locale); result = strcmp (used_locale, "de_DE.UTF-8"); memset (&state, '\0', sizeof (state)); src = (const char *) buf; show (mbsrtowcs (&wc, &src, 1, &state), 1, 37, buf + 1); show (mbsrtowcs (&wc, &src, 1, &state), 1, 8364, buf + 4); show (mbsrtowcs (&wc, &src, 1, &state), 1, 955, buf + 6); return result; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"