| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <wchar.h> |
| |
| #include <wchar.h> |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <type_traits> |
| |
| #include "test_macros.h" |
| |
| #ifndef NULL |
| #error NULL not defined |
| #endif |
| |
| #ifndef WCHAR_MAX |
| #error WCHAR_MAX not defined |
| #endif |
| |
| #ifndef WCHAR_MIN |
| #error WCHAR_MIN not defined |
| #endif |
| |
| #ifndef WEOF |
| #error WEOF not defined |
| #endif |
| |
| int main(int, char**) |
| { |
| // mbstate_t comes from the underlying C library; it is defined (in C99) as: |
| // a complete object type other than an array type that can hold the conversion |
| // state information necessary to convert between sequences of multibyte |
| // characters and wide characters |
| mbstate_t mb = {}; |
| size_t s = 0; |
| tm *tm = 0; |
| wint_t w = 0; |
| ::FILE* fp = 0; |
| ::va_list va; |
| char* ns = 0; |
| wchar_t* ws = 0; |
| const wchar_t* cws = 0; |
| wchar_t** wsp = 0; |
| ((void)mb); // Prevent unused warning |
| ((void)s); // Prevent unused warning |
| ((void)tm); // Prevent unused warning |
| ((void)w); // Prevent unused warning |
| ((void)fp); // Prevent unused warning |
| ((void)va); // Prevent unused warning |
| ((void)ns); // Prevent unused warning |
| ((void)ws); // Prevent unused warning |
| ((void)cws); // Prevent unused warning |
| ((void)wsp); // Prevent unused warning |
| ASSERT_SAME_TYPE(int, decltype(fwprintf(fp, L""))); |
| ASSERT_SAME_TYPE(int, decltype(fwscanf(fp, L""))); |
| ASSERT_SAME_TYPE(int, decltype(swprintf(ws, s, L""))); |
| ASSERT_SAME_TYPE(int, decltype(swscanf(L"", L""))); |
| ASSERT_SAME_TYPE(int, decltype(vfwprintf(fp, L"", va))); |
| ASSERT_SAME_TYPE(int, decltype(vfwscanf(fp, L"", va))); |
| ASSERT_SAME_TYPE(int, decltype(vswprintf(ws, s, L"", va))); |
| ASSERT_SAME_TYPE(int, decltype(vswscanf(L"", L"", va))); |
| ASSERT_SAME_TYPE(wint_t, decltype(fgetwc(fp))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(fgetws(ws, 0, fp))); |
| ASSERT_SAME_TYPE(wint_t, decltype(fputwc(L' ', fp))); |
| ASSERT_SAME_TYPE(int, decltype(fputws(L"", fp))); |
| ASSERT_SAME_TYPE(int, decltype(fwide(fp, 0))); |
| ASSERT_SAME_TYPE(wint_t, decltype(getwc(fp))); |
| ASSERT_SAME_TYPE(wint_t, decltype(putwc(L' ', fp))); |
| ASSERT_SAME_TYPE(wint_t, decltype(ungetwc(L' ', fp))); |
| ASSERT_SAME_TYPE(double, decltype(wcstod(L"", wsp))); |
| ASSERT_SAME_TYPE(float, decltype(wcstof(L"", wsp))); |
| ASSERT_SAME_TYPE(long double, decltype(wcstold(L"", wsp))); |
| ASSERT_SAME_TYPE(long, decltype(wcstol(L"", wsp, 0))); |
| ASSERT_SAME_TYPE(long long, decltype(wcstoll(L"", wsp, 0))); |
| ASSERT_SAME_TYPE(unsigned long, decltype(wcstoul(L"", wsp, 0))); |
| ASSERT_SAME_TYPE(unsigned long long, decltype(wcstoull(L"", wsp, 0))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcscpy(ws, L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcsncpy(ws, L"", s))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcscat(ws, L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcsncat(ws, L"", s))); |
| ASSERT_SAME_TYPE(int, decltype(wcscmp(L"", L""))); |
| ASSERT_SAME_TYPE(int, decltype(wcscoll(L"", L""))); |
| ASSERT_SAME_TYPE(int, decltype(wcsncmp(L"", L"", s))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcsxfrm(ws, L"", s))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcschr(ws, L' '))); |
| ASSERT_SAME_TYPE(const wchar_t*, decltype(wcschr(cws, L' '))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcscspn(L"", L""))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcslen(L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcspbrk(ws, L""))); |
| ASSERT_SAME_TYPE(const wchar_t*, decltype(wcspbrk(cws, L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcsrchr(ws, L' '))); |
| ASSERT_SAME_TYPE(const wchar_t*, decltype(wcsrchr(cws, L' '))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcsspn(L"", L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcsstr(ws, L""))); |
| ASSERT_SAME_TYPE(const wchar_t*, decltype(wcsstr(cws, L""))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wcstok(ws, L"", wsp))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wmemchr(ws, L' ', s))); |
| ASSERT_SAME_TYPE(const wchar_t*, decltype(wmemchr(cws, L' ', s))); |
| ASSERT_SAME_TYPE(int, decltype(wmemcmp(L"", L"", s))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wmemcpy(ws, L"", s))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wmemmove(ws, L"", s))); |
| ASSERT_SAME_TYPE(wchar_t*, decltype(wmemset(ws, L' ', s))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcsftime(ws, s, L"", tm))); |
| ASSERT_SAME_TYPE(wint_t, decltype(btowc(0))); |
| ASSERT_SAME_TYPE(int, decltype(wctob(w))); |
| ASSERT_SAME_TYPE(int, decltype(mbsinit(&mb))); |
| ASSERT_SAME_TYPE(size_t, decltype(mbrlen("", s, &mb))); |
| ASSERT_SAME_TYPE(size_t, decltype(mbrtowc(ws, "", s, &mb))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcrtomb(ns, L' ', &mb))); |
| ASSERT_SAME_TYPE(size_t, decltype(mbsrtowcs(ws, (const char**)0, s, &mb))); |
| ASSERT_SAME_TYPE(size_t, decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb))); |
| |
| #ifndef _LIBCPP_HAS_NO_STDIN |
| ASSERT_SAME_TYPE(wint_t, decltype(getwchar())); |
| ASSERT_SAME_TYPE(int, decltype(vwscanf(L"", va))); |
| ASSERT_SAME_TYPE(int, decltype(wscanf(L""))); |
| #endif |
| |
| #ifndef _LIBCPP_HAS_NO_STDOUT |
| ASSERT_SAME_TYPE(wint_t, decltype(putwchar(L' '))); |
| ASSERT_SAME_TYPE(int, decltype(vwprintf(L"", va))); |
| ASSERT_SAME_TYPE(int, decltype(wprintf(L""))); |
| #endif |
| |
| return 0; |
| } |
