/* This file is part of the GNU C Library. Copyright (C) 2012-2022 Free Software Foundation, Inc. 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 <array_length.h> #include <wchar.h> /* Prototype for our test function. */ static int do_test (void); static int do_test (void) { #ifndef NO_LONG_DOUBLE int result = 0; const long double x = 24.5; wchar_t a[16]; swprintf (a, array_length (a), L"%La\n", x); wchar_t A[16]; swprintf (A, array_length (a), L"%LA\n", x); /* Here wprintf can return four valid variants. We must accept all of them. */ result |= (wmemcmp (a, L"0xc.4p+1", 8) == 0 && wmemcmp (A, L"0XC.4P+1", 8) == 0); result |= (wmemcmp (a, L"0x3.1p+3", 8) == 0 && wmemcmp (A, L"0X3.1P+3", 8) == 0); result |= (wmemcmp (a, L"0x6.2p+2", 8) == 0 && wmemcmp (A, L"0X6.2P+2", 8) == 0); result |= (wmemcmp (a, L"0x1.88p+4", 8) == 0 && wmemcmp (A, L"0X1.88P+4", 8) == 0); return result != 1; #else return 0; #endif } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"