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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // <cwchar>
     11 
     12 #include <cwchar>
     13 #include <type_traits>
     14 
     15 #ifndef NULL
     16 #error NULL not defined
     17 #endif
     18 
     19 #ifndef WCHAR_MAX
     20 #error WCHAR_MAX not defined
     21 #endif
     22 
     23 #ifndef WCHAR_MIN
     24 #error WCHAR_MIN not defined
     25 #endif
     26 
     27 #ifndef WEOF
     28 #error WEOF not defined
     29 #endif
     30 
     31 int main()
     32 {
     33     std::mbstate_t mb = {0};
     34     std::size_t s = 0;
     35     std::tm *tm = 0;
     36     std::wint_t w = 0;
     37     ::FILE* fp = 0;
     38 #ifdef __APPLE__
     39     __darwin_va_list va;
     40 #else
     41     __builtin_va_list va;
     42 #endif
     43     char* ns = 0;
     44     wchar_t* ws = 0;
     45     static_assert((std::is_same<decltype(std::fwprintf(fp, L"")), int>::value), "");
     46     static_assert((std::is_same<decltype(std::fwscanf(fp, L"")), int>::value), "");
     47     static_assert((std::is_same<decltype(std::swprintf(ws, s, L"")), int>::value), "");
     48     static_assert((std::is_same<decltype(std::swscanf(L"", L"")), int>::value), "");
     49     static_assert((std::is_same<decltype(std::vfwprintf(fp, L"", va)), int>::value), "");
     50     static_assert((std::is_same<decltype(std::vfwscanf(fp, L"", va)), int>::value), "");
     51     static_assert((std::is_same<decltype(std::vswprintf(ws, s, L"", va)), int>::value), "");
     52     static_assert((std::is_same<decltype(std::vswscanf(L"", L"", va)), int>::value), "");
     53     static_assert((std::is_same<decltype(std::vwprintf(L"", va)), int>::value), "");
     54     static_assert((std::is_same<decltype(std::vwscanf(L"", va)), int>::value), "");
     55     static_assert((std::is_same<decltype(std::wprintf(L"")), int>::value), "");
     56     static_assert((std::is_same<decltype(std::wscanf(L"")), int>::value), "");
     57     static_assert((std::is_same<decltype(std::fgetwc(fp)), std::wint_t>::value), "");
     58     static_assert((std::is_same<decltype(std::fgetws(ws, 0, fp)), wchar_t*>::value), "");
     59     static_assert((std::is_same<decltype(std::fputwc(L' ', fp)), std::wint_t>::value), "");
     60     static_assert((std::is_same<decltype(std::fputws(L"", fp)), int>::value), "");
     61     static_assert((std::is_same<decltype(std::fwide(fp, 0)), int>::value), "");
     62     static_assert((std::is_same<decltype(std::getwc(fp)), std::wint_t>::value), "");
     63     static_assert((std::is_same<decltype(std::getwchar()), std::wint_t>::value), "");
     64     static_assert((std::is_same<decltype(std::putwc(L' ', fp)), std::wint_t>::value), "");
     65     static_assert((std::is_same<decltype(std::putwchar(L' ')), std::wint_t>::value), "");
     66     static_assert((std::is_same<decltype(std::ungetwc(L' ', fp)), std::wint_t>::value), "");
     67     static_assert((std::is_same<decltype(std::wcstod(L"", (wchar_t**)0)), double>::value), "");
     68     static_assert((std::is_same<decltype(std::wcstof(L"", (wchar_t**)0)), float>::value), "");
     69     static_assert((std::is_same<decltype(std::wcstold(L"", (wchar_t**)0)), long double>::value), "");
     70     static_assert((std::is_same<decltype(std::wcstol(L"", (wchar_t**)0, 0)), long>::value), "");
     71     static_assert((std::is_same<decltype(std::wcstoll(L"", (wchar_t**)0, 0)), long long>::value), "");
     72     static_assert((std::is_same<decltype(std::wcstoul(L"", (wchar_t**)0, 0)), unsigned long>::value), "");
     73     static_assert((std::is_same<decltype(std::wcstoull(L"", (wchar_t**)0, 0)), unsigned long long>::value), "");
     74     static_assert((std::is_same<decltype(std::wcscpy(ws, L"")), wchar_t*>::value), "");
     75     static_assert((std::is_same<decltype(std::wcsncpy(ws, L"", s)), wchar_t*>::value), "");
     76     static_assert((std::is_same<decltype(std::wcscat(ws, L"")), wchar_t*>::value), "");
     77     static_assert((std::is_same<decltype(std::wcsncat(ws, L"", s)), wchar_t*>::value), "");
     78     static_assert((std::is_same<decltype(std::wcscmp(L"", L"")), int>::value), "");
     79     static_assert((std::is_same<decltype(std::wcscoll(L"", L"")), int>::value), "");
     80     static_assert((std::is_same<decltype(std::wcsncmp(L"", L"", s)), int>::value), "");
     81     static_assert((std::is_same<decltype(std::wcsxfrm(ws, L"", s)), std::size_t>::value), "");
     82     static_assert((std::is_same<decltype(std::wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
     83     static_assert((std::is_same<decltype(std::wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
     84     static_assert((std::is_same<decltype(std::wcscspn(L"", L"")), std::size_t>::value), "");
     85     static_assert((std::is_same<decltype(std::wcslen(L"")), std::size_t>::value), "");
     86     static_assert((std::is_same<decltype(std::wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), "");
     87     static_assert((std::is_same<decltype(std::wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
     88     static_assert((std::is_same<decltype(std::wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
     89     static_assert((std::is_same<decltype(std::wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
     90     static_assert((std::is_same<decltype(std::wcsspn(L"", L"")), std::size_t>::value), "");
     91     static_assert((std::is_same<decltype(std::wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), "");
     92     static_assert((std::is_same<decltype(std::wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
     93     static_assert((std::is_same<decltype(std::wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
     94     static_assert((std::is_same<decltype(std::wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), "");
     95     static_assert((std::is_same<decltype(std::wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
     96     static_assert((std::is_same<decltype(std::wmemcmp(L"", L"", s)), int>::value), "");
     97     static_assert((std::is_same<decltype(std::wmemcpy(ws, L"", s)), wchar_t*>::value), "");
     98     static_assert((std::is_same<decltype(std::wmemmove(ws, L"", s)), wchar_t*>::value), "");
     99     static_assert((std::is_same<decltype(std::wmemset(ws, L' ', s)), wchar_t*>::value), "");
    100     static_assert((std::is_same<decltype(std::wcsftime(ws, s, L"", tm)), std::size_t>::value), "");
    101     static_assert((std::is_same<decltype(std::btowc(0)), wint_t>::value), "");
    102     static_assert((std::is_same<decltype(std::wctob(w)), int>::value), "");
    103     static_assert((std::is_same<decltype(std::mbsinit(&mb)), int>::value), "");
    104     static_assert((std::is_same<decltype(std::mbrlen("", s, &mb)), std::size_t>::value), "");
    105     static_assert((std::is_same<decltype(std::mbrtowc(ws, "", s, &mb)), std::size_t>::value), "");
    106     static_assert((std::is_same<decltype(std::wcrtomb(ns, L' ', &mb)), std::size_t>::value), "");
    107     static_assert((std::is_same<decltype(std::mbsrtowcs(ws, (const char**)0, s, &mb)), std::size_t>::value), "");
    108     static_assert((std::is_same<decltype(std::wcsrtombs(ns, (const wchar_t**)0, s, &mb)), std::size_t>::value), "");
    109 }
    110