mirror of
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7c3769df62
to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@351648 91177308-0d34-0410-b5e6-96231b3b80d8
132 lines
6.5 KiB
C++
132 lines
6.5 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <cwchar>
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#include <cwchar>
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#include <ctime>
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#include <cstdarg>
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#include <type_traits>
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#include "test_macros.h"
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#ifndef NULL
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#error NULL not defined
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#endif
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#ifndef WCHAR_MAX
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#error WCHAR_MAX not defined
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#endif
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#ifndef WCHAR_MIN
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#error WCHAR_MIN not defined
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#endif
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#ifndef WEOF
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#error WEOF not defined
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#endif
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int main()
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{
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std::mbstate_t mb = {};
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std::size_t s = 0;
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std::tm *tm = 0;
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std::wint_t w = 0;
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::FILE* fp = 0;
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std::va_list va;
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char* ns = 0;
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wchar_t* ws = 0;
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((void)mb); // Prevent unused warning
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((void)s); // Prevent unused warning
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((void)tm); // Prevent unused warning
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((void)w); // Prevent unused warning
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((void)fp); // Prevent unused warning
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((void)va); // Prevent unused warning
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((void)ns); // Prevent unused warning
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((void)ws); // Prevent unused warning
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ASSERT_SAME_TYPE(int, decltype(std::fwprintf(fp, L"")));
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ASSERT_SAME_TYPE(int, decltype(std::fwscanf(fp, L"")));
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ASSERT_SAME_TYPE(int, decltype(std::swprintf(ws, s, L"")));
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ASSERT_SAME_TYPE(int, decltype(std::swscanf(L"", L"")));
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ASSERT_SAME_TYPE(int, decltype(std::vfwprintf(fp, L"", va)));
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ASSERT_SAME_TYPE(int, decltype(std::vfwscanf(fp, L"", va)));
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ASSERT_SAME_TYPE(int, decltype(std::vswprintf(ws, s, L"", va)));
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ASSERT_SAME_TYPE(int, decltype(std::vswscanf(L"", L"", va)));
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::fgetwc(fp)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::fgetws(ws, 0, fp)));
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::fputwc(L' ', fp)));
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ASSERT_SAME_TYPE(int, decltype(std::fputws(L"", fp)));
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ASSERT_SAME_TYPE(int, decltype(std::fwide(fp, 0)));
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwc(fp)));
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwc(L' ', fp)));
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::ungetwc(L' ', fp)));
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ASSERT_SAME_TYPE(double, decltype(std::wcstod(L"", (wchar_t**)0)));
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ASSERT_SAME_TYPE(float, decltype(std::wcstof(L"", (wchar_t**)0)));
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ASSERT_SAME_TYPE(long double, decltype(std::wcstold(L"", (wchar_t**)0)));
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ASSERT_SAME_TYPE(long, decltype(std::wcstol(L"", (wchar_t**)0, 0)));
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ASSERT_SAME_TYPE(long long, decltype(std::wcstoll(L"", (wchar_t**)0, 0)));
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ASSERT_SAME_TYPE(unsigned long, decltype(std::wcstoul(L"", (wchar_t**)0, 0)));
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ASSERT_SAME_TYPE(unsigned long long, decltype(std::wcstoull(L"", (wchar_t**)0, 0)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscpy(ws, L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncpy(ws, L"", s)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcscat(ws, L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsncat(ws, L"", s)));
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ASSERT_SAME_TYPE(int, decltype(std::wcscmp(L"", L"")));
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ASSERT_SAME_TYPE(int, decltype(std::wcscoll(L"", L"")));
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ASSERT_SAME_TYPE(int, decltype(std::wcsncmp(L"", L"", s)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsxfrm(ws, L"", s)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcschr((wchar_t*)0, L' ')));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcscspn(L"", L"")));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcslen(L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcspbrk((wchar_t*)0, L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsrchr((wchar_t*)0, L' ')));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsspn(L"", L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcsstr((wchar_t*)0, L"")));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wcstok(ws, L"", (wchar_t**)0)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemchr((wchar_t*)0, L' ', s)));
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ASSERT_SAME_TYPE(int, decltype(std::wmemcmp(L"", L"", s)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemcpy(ws, L"", s)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemmove(ws, L"", s)));
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ASSERT_SAME_TYPE(wchar_t*, decltype(std::wmemset(ws, L' ', s)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsftime(ws, s, L"", tm)));
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ASSERT_SAME_TYPE(wint_t, decltype(std::btowc(0)));
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ASSERT_SAME_TYPE(int, decltype(std::wctob(w)));
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ASSERT_SAME_TYPE(int, decltype(std::mbsinit(&mb)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrlen("", s, &mb)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::mbrtowc(ws, "", s, &mb)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcrtomb(ns, L' ', &mb)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)));
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ASSERT_SAME_TYPE(std::size_t, decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)));
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// These tests fail on systems whose C library doesn't provide a correct overload
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// set for wcschr, wcspbrk, wcsrchr, wcsstr, and wmemchr, unless the compiler is
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// a suitably recent version of Clang.
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#if !defined(__APPLE__) || defined(_LIBCPP_PREFERRED_OVERLOAD)
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ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcschr((const wchar_t*)0, L' ')));
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ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcspbrk((const wchar_t*)0, L"")));
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ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsrchr((const wchar_t*)0, L' ')));
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ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wcsstr((const wchar_t*)0, L"")));
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ASSERT_SAME_TYPE(const wchar_t*, decltype(std::wmemchr((const wchar_t*)0, L' ', s)));
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#endif
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#ifndef _LIBCPP_HAS_NO_STDIN
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::getwchar()));
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ASSERT_SAME_TYPE(int, decltype(std::vwscanf(L"", va)));
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ASSERT_SAME_TYPE(int, decltype(std::wscanf(L"")));
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#endif
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#ifndef _LIBCPP_HAS_NO_STDOUT
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ASSERT_SAME_TYPE(std::wint_t, decltype(std::putwchar(L' ')));
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ASSERT_SAME_TYPE(int, decltype(std::vwprintf(L"", va)));
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ASSERT_SAME_TYPE(int, decltype(std::wprintf(L"")));
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#endif
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}
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