44e24d8f99
In 5fd17ab, we worked around the Apple system headers not providing const-correct overloads for some <string.h> functions. However, that required an attribute that was only present in recent Clangs at the time. We can now assume that all supported Clang versions on Apple platforms do support that attribute. Differential Revision: https://reviews.llvm.org/D100477
129 lines
6.3 KiB
C++
129 lines
6.3 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 <cstdio>
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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(int, char**)
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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(const wchar_t*, decltype(std::wcschr((const 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(const wchar_t*, decltype(std::wcspbrk((const 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(const wchar_t*, decltype(std::wcsrchr((const 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(const wchar_t*, decltype(std::wcsstr((const 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(const wchar_t*, decltype(std::wmemchr((const 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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#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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return 0;
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}
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