1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: no-wide-characters 10 11 // <wchar.h> 12 13 #include <wchar.h> 14 #include <stdarg.h> 15 #include <stdio.h> 16 #include <type_traits> 17 18 #include "test_macros.h" 19 20 #ifndef NULL 21 #error NULL not defined 22 #endif 23 24 #ifndef WCHAR_MAX 25 #error WCHAR_MAX not defined 26 #endif 27 28 #ifndef WCHAR_MIN 29 #error WCHAR_MIN not defined 30 #endif 31 32 #ifndef WEOF 33 #error WEOF not defined 34 #endif 35 36 // mbstate_t comes from the underlying C library; it is defined (in C99) as: 37 // a complete object type other than an array type that can hold the conversion 38 // state information necessary to convert between sequences of multibyte 39 // characters and wide characters 40 mbstate_t mb = {}; 41 size_t s = 0; 42 tm *tm = 0; 43 wint_t w = 0; 44 ::FILE* fp = 0; 45 ::va_list va; 46 char* ns = 0; 47 wchar_t* ws = 0; 48 const wchar_t* cws = 0; 49 wchar_t** wsp = 0; 50 51 ASSERT_SAME_TYPE(int, decltype(fwprintf(fp, L""))); 52 ASSERT_SAME_TYPE(int, decltype(fwscanf(fp, L""))); 53 ASSERT_SAME_TYPE(int, decltype(swprintf(ws, s, L""))); 54 ASSERT_SAME_TYPE(int, decltype(swscanf(L"", L""))); 55 ASSERT_SAME_TYPE(int, decltype(vfwprintf(fp, L"", va))); 56 ASSERT_SAME_TYPE(int, decltype(vfwscanf(fp, L"", va))); 57 ASSERT_SAME_TYPE(int, decltype(vswprintf(ws, s, L"", va))); 58 ASSERT_SAME_TYPE(int, decltype(vswscanf(L"", L"", va))); 59 ASSERT_SAME_TYPE(wint_t, decltype(fgetwc(fp))); 60 ASSERT_SAME_TYPE(wchar_t*, decltype(fgetws(ws, 0, fp))); 61 ASSERT_SAME_TYPE(wint_t, decltype(fputwc(L' ', fp))); 62 ASSERT_SAME_TYPE(int, decltype(fputws(L"", fp))); 63 ASSERT_SAME_TYPE(int, decltype(fwide(fp, 0))); 64 ASSERT_SAME_TYPE(wint_t, decltype(getwc(fp))); 65 ASSERT_SAME_TYPE(wint_t, decltype(putwc(L' ', fp))); 66 ASSERT_SAME_TYPE(wint_t, decltype(ungetwc(L' ', fp))); 67 ASSERT_SAME_TYPE(double, decltype(wcstod(L"", wsp))); 68 ASSERT_SAME_TYPE(float, decltype(wcstof(L"", wsp))); 69 ASSERT_SAME_TYPE(long double, decltype(wcstold(L"", wsp))); 70 ASSERT_SAME_TYPE(long, decltype(wcstol(L"", wsp, 0))); 71 ASSERT_SAME_TYPE(long long, decltype(wcstoll(L"", wsp, 0))); 72 ASSERT_SAME_TYPE(unsigned long, decltype(wcstoul(L"", wsp, 0))); 73 ASSERT_SAME_TYPE(unsigned long long, decltype(wcstoull(L"", wsp, 0))); 74 ASSERT_SAME_TYPE(wchar_t*, decltype(wcscpy(ws, L""))); 75 ASSERT_SAME_TYPE(wchar_t*, decltype(wcsncpy(ws, L"", s))); 76 ASSERT_SAME_TYPE(wchar_t*, decltype(wcscat(ws, L""))); 77 ASSERT_SAME_TYPE(wchar_t*, decltype(wcsncat(ws, L"", s))); 78 ASSERT_SAME_TYPE(int, decltype(wcscmp(L"", L""))); 79 ASSERT_SAME_TYPE(int, decltype(wcscoll(L"", L""))); 80 ASSERT_SAME_TYPE(int, decltype(wcsncmp(L"", L"", s))); 81 ASSERT_SAME_TYPE(size_t, decltype(wcsxfrm(ws, L"", s))); 82 ASSERT_SAME_TYPE(wchar_t*, decltype(wcschr(ws, L' '))); 83 ASSERT_SAME_TYPE(const wchar_t*, decltype(wcschr(cws, L' '))); 84 ASSERT_SAME_TYPE(size_t, decltype(wcscspn(L"", L""))); 85 ASSERT_SAME_TYPE(size_t, decltype(wcslen(L""))); 86 ASSERT_SAME_TYPE(wchar_t*, decltype(wcspbrk(ws, L""))); 87 ASSERT_SAME_TYPE(const wchar_t*, decltype(wcspbrk(cws, L""))); 88 ASSERT_SAME_TYPE(wchar_t*, decltype(wcsrchr(ws, L' '))); 89 ASSERT_SAME_TYPE(const wchar_t*, decltype(wcsrchr(cws, L' '))); 90 ASSERT_SAME_TYPE(size_t, decltype(wcsspn(L"", L""))); 91 ASSERT_SAME_TYPE(wchar_t*, decltype(wcsstr(ws, L""))); 92 ASSERT_SAME_TYPE(const wchar_t*, decltype(wcsstr(cws, L""))); 93 ASSERT_SAME_TYPE(wchar_t*, decltype(wcstok(ws, L"", wsp))); 94 ASSERT_SAME_TYPE(wchar_t*, decltype(wmemchr(ws, L' ', s))); 95 ASSERT_SAME_TYPE(const wchar_t*, decltype(wmemchr(cws, L' ', s))); 96 ASSERT_SAME_TYPE(int, decltype(wmemcmp(L"", L"", s))); 97 ASSERT_SAME_TYPE(wchar_t*, decltype(wmemcpy(ws, L"", s))); 98 ASSERT_SAME_TYPE(wchar_t*, decltype(wmemmove(ws, L"", s))); 99 ASSERT_SAME_TYPE(wchar_t*, decltype(wmemset(ws, L' ', s))); 100 ASSERT_SAME_TYPE(size_t, decltype(wcsftime(ws, s, L"", tm))); 101 ASSERT_SAME_TYPE(wint_t, decltype(btowc(0))); 102 ASSERT_SAME_TYPE(int, decltype(wctob(w))); 103 ASSERT_SAME_TYPE(int, decltype(mbsinit(&mb))); 104 ASSERT_SAME_TYPE(size_t, decltype(mbrlen("", s, &mb))); 105 ASSERT_SAME_TYPE(size_t, decltype(mbrtowc(ws, "", s, &mb))); 106 ASSERT_SAME_TYPE(size_t, decltype(wcrtomb(ns, L' ', &mb))); 107 ASSERT_SAME_TYPE(size_t, decltype(mbsrtowcs(ws, (const char**)0, s, &mb))); 108 ASSERT_SAME_TYPE(size_t, decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb))); 109 ASSERT_SAME_TYPE(wint_t, decltype(getwchar())); 110 ASSERT_SAME_TYPE(int, decltype(vwscanf(L"", va))); 111 ASSERT_SAME_TYPE(int, decltype(wscanf(L""))); 112 ASSERT_SAME_TYPE(wint_t, decltype(putwchar(L' '))); 113 ASSERT_SAME_TYPE(int, decltype(vwprintf(L"", va))); 114 ASSERT_SAME_TYPE(int, decltype(wprintf(L""))); 115