C++ (Cpp) wcstold Examples

Example #1

File: wstrreal_agent.c Project: levenkov/olver

static TACommandVerdict wcstold_cmd(TAThread thread,TAInputStream stream)
{
    wchar_t* st, *endptr;

    size_t size;

    long double res;



    size = readInt(&stream);

    st = (wchar_t*)ta_alloc_memory(size * sizeof(wchar_t) + 1);



    readWCharArray(&stream, st, &size);



    st[size] = '\0';



    START_TARGET_OPERATION(thread);



    errno = 0;

    res = wcstold(st, &endptr);



    END_TARGET_OPERATION(thread);



    writeLongDouble(thread, res);

    writeInt(thread, (int)( endptr - st));

    writeInt(thread, errno);



    ta_dealloc_memory(st);



    sendResponse(thread);



    return taDefaultVerdict;
}

Example #2

File: string.cpp Project: themiwi/libcxx

long double
stold(const wstring& str, size_t* idx)
{
    wchar_t* ptr;
    const wchar_t* const p = str.c_str();
    int errno_save = errno;
    errno = 0;
    long double r = wcstold(p, &ptr);
    swap(errno, errno_save);
#ifndef _LIBCPP_NO_EXCEPTIONS
    if (errno_save == ERANGE)
        throw out_of_range("stold: out of range");
    if (ptr == p)
        throw invalid_argument("stold: no conversion");
#endif  // _LIBCPP_NO_EXCEPTIONS
    if (idx)
        *idx = static_cast<size_t>(ptr - p);
    return r;
}

Example #3

File: wchar_h.pass.cpp Project: okuoku/libcxx

int main()
{
    mbstate_t mb = {0};
    size_t s = 0;
    tm tm = {0};
    wint_t w = 0;
    ::FILE* fp = 0;
    __darwin_va_list va;
    char* ns = 0;
    wchar_t* ws = 0;
    static_assert((std::is_same<decltype(fwprintf(fp, L"")), int>::value), "");
    static_assert((std::is_same<decltype(fwscanf(fp, L"")), int>::value), "");
    static_assert((std::is_same<decltype(swprintf(ws, s, L"")), int>::value), "");
    static_assert((std::is_same<decltype(swscanf(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(vfwprintf(fp, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vfwscanf(fp, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vswprintf(ws, s, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vswscanf(L"", L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vwprintf(L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vwscanf(L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(wprintf(L"")), int>::value), "");
    static_assert((std::is_same<decltype(wscanf(L"")), int>::value), "");
    static_assert((std::is_same<decltype(fgetwc(fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(fgetws(ws, 0, fp)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(fputwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(fputws(L"", fp)), int>::value), "");
    static_assert((std::is_same<decltype(fwide(fp, 0)), int>::value), "");
    static_assert((std::is_same<decltype(getwc(fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(getwchar()), wint_t>::value), "");
    static_assert((std::is_same<decltype(putwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(putwchar(L' ')), wint_t>::value), "");
    static_assert((std::is_same<decltype(ungetwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(wcstod(L"", (wchar_t**)0)), double>::value), "");
    static_assert((std::is_same<decltype(wcstof(L"", (wchar_t**)0)), float>::value), "");
    static_assert((std::is_same<decltype(wcstold(L"", (wchar_t**)0)), long double>::value), "");
    static_assert((std::is_same<decltype(wcstol(L"", (wchar_t**)0, 0)), long>::value), "");
    static_assert((std::is_same<decltype(wcstoll(L"", (wchar_t**)0, 0)), long long>::value), "");
    static_assert((std::is_same<decltype(wcstoul(L"", (wchar_t**)0, 0)), unsigned long>::value), "");
    static_assert((std::is_same<decltype(wcstoull(L"", (wchar_t**)0, 0)), unsigned long long>::value), "");
    static_assert((std::is_same<decltype(wcscpy(ws, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsncpy(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscat(ws, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsncat(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscmp(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(wcscoll(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(wcsncmp(L"", L"", s)), int>::value), "");
    static_assert((std::is_same<decltype(wcsxfrm(ws, L"", s)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscspn(L"", L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcslen(L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsspn(L"", L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemcmp(L"", L"", s)), int>::value), "");
    static_assert((std::is_same<decltype(wmemcpy(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemmove(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemset(ws, L' ', s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsftime(ws, s, L"", &tm)), size_t>::value), "");
    static_assert((std::is_same<decltype(btowc(0)), wint_t>::value), "");
    static_assert((std::is_same<decltype(wctob(w)), int>::value), "");
    static_assert((std::is_same<decltype(mbsinit(&mb)), int>::value), "");
    static_assert((std::is_same<decltype(mbrlen("", s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(mbrtowc(ws, "", s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcrtomb(ns, L' ', &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(mbsrtowcs(ws, (const char**)0, s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)), size_t>::value), "");
}

Example #4

File: wchar_test.cpp Project: happyroom99/platform_bionic

TEST(wchar, wcstold) {
  ASSERT_DOUBLE_EQ(1.23L, wcstold(L"1.23", NULL));
}

Example #5

File: wchar_l.cpp Project: vicamo/b2g_platform_bionic

long double wcstold_l(const wchar_t *nptr, wchar_t **endptr, locale_t) {
  return wcstold(nptr, endptr);
}

Example #6

File: pws_str.cpp Project: erikjjohnson/pwdsafe-iphone

double pws_os::wctof(const wchar_t *s)
{
  return double(wcstold(s, NULL));
}

Example #7

File: atom_impl.cpp Project: asir6/Colt

double _wtof(const wchar_t* _Str)
    { return (double)wcstold(_Str, NULL);  /* radix is always 10 */ }

Example #8

File: pws_str.cpp Project: soundsrc/pwsafe

double pws_os::wctof(const wchar_t *s)
{
  return double(wcstold(s, nullptr));
}

Example #9

File: wchar_h.pass.cpp Project: ttyangf/libcxx

int main()
{
// 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
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wmissing-braces"
#endif
    mbstate_t mb = {0};
#if defined(__clang__)
#pragma clang diagnostic pop
#endif

    size_t s = 0;
    tm *tm = 0;
    wint_t w = 0;
    ::FILE* fp = 0;
#ifdef __APPLE__
    __darwin_va_list va;
#else
    __builtin_va_list va;
#endif
    char* ns = 0;
    wchar_t* ws = 0;
    static_assert((std::is_same<decltype(fwprintf(fp, L"")), int>::value), "");
    static_assert((std::is_same<decltype(fwscanf(fp, L"")), int>::value), "");
    static_assert((std::is_same<decltype(swprintf(ws, s, L"")), int>::value), "");
    static_assert((std::is_same<decltype(swscanf(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(vfwprintf(fp, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vfwscanf(fp, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vswprintf(ws, s, L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(vswscanf(L"", L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(fgetwc(fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(fgetws(ws, 0, fp)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(fputwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(fputws(L"", fp)), int>::value), "");
    static_assert((std::is_same<decltype(fwide(fp, 0)), int>::value), "");
    static_assert((std::is_same<decltype(getwc(fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(putwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(ungetwc(L' ', fp)), wint_t>::value), "");
    static_assert((std::is_same<decltype(wcstod(L"", (wchar_t**)0)), double>::value), "");
    static_assert((std::is_same<decltype(wcstof(L"", (wchar_t**)0)), float>::value), "");
    static_assert((std::is_same<decltype(wcstold(L"", (wchar_t**)0)), long double>::value), "");
    static_assert((std::is_same<decltype(wcstol(L"", (wchar_t**)0, 0)), long>::value), "");
    static_assert((std::is_same<decltype(wcstoll(L"", (wchar_t**)0, 0)), long long>::value), "");
    static_assert((std::is_same<decltype(wcstoul(L"", (wchar_t**)0, 0)), unsigned long>::value), "");
    static_assert((std::is_same<decltype(wcstoull(L"", (wchar_t**)0, 0)), unsigned long long>::value), "");
    static_assert((std::is_same<decltype(wcscpy(ws, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsncpy(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscat(ws, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsncat(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscmp(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(wcscoll(L"", L"")), int>::value), "");
    static_assert((std::is_same<decltype(wcsncmp(L"", L"", s)), int>::value), "");
    static_assert((std::is_same<decltype(wcsxfrm(ws, L"", s)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcschr((wchar_t*)0, L' ')), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcscspn(L"", L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcslen(L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcspbrk((wchar_t*)0, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsrchr((wchar_t*)0, L' ')), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsspn(L"", L"")), size_t>::value), "");
    static_assert((std::is_same<decltype(wcsstr((wchar_t*)0, L"")), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcstok(ws, L"", (wchar_t**)0)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemchr((wchar_t*)0, L' ', s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemcmp(L"", L"", s)), int>::value), "");
    static_assert((std::is_same<decltype(wmemcpy(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemmove(ws, L"", s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemset(ws, L' ', s)), wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsftime(ws, s, L"", tm)), size_t>::value), "");
    static_assert((std::is_same<decltype(btowc(0)), wint_t>::value), "");
    static_assert((std::is_same<decltype(wctob(w)), int>::value), "");
    static_assert((std::is_same<decltype(mbsinit(&mb)), int>::value), "");
    static_assert((std::is_same<decltype(mbrlen("", s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(mbrtowc(ws, "", s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcrtomb(ns, L' ', &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(mbsrtowcs(ws, (const char**)0, s, &mb)), size_t>::value), "");
    static_assert((std::is_same<decltype(wcsrtombs(ns, (const wchar_t**)0, s, &mb)), size_t>::value), "");

    // These tests fail on systems whose C library doesn't provide a correct overload
    // set for wcschr, wcspbrk, wcsrchr, wcsstr, and wmemchr, unless the compiler is
    // a suitably recent version of Clang.
#if !defined(__APPLE__) || defined(_LIBCPP_PREFERRED_OVERLOAD)
    static_assert((std::is_same<decltype(wcschr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcspbrk((const wchar_t*)0, L"")), const wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsrchr((const wchar_t*)0, L' ')), const wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wcsstr((const wchar_t*)0, L"")), const wchar_t*>::value), "");
    static_assert((std::is_same<decltype(wmemchr((const wchar_t*)0, L' ', s)), const wchar_t*>::value), "");
#endif

#ifndef _LIBCPP_HAS_NO_STDIN
    static_assert((std::is_same<decltype(getwchar()), wint_t>::value), "");
    static_assert((std::is_same<decltype(vwscanf(L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(wscanf(L"")), int>::value), "");
#endif

#ifndef _LIBCPP_HAS_NO_STDOUT
    static_assert((std::is_same<decltype(putwchar(L' ')), wint_t>::value), "");
    static_assert((std::is_same<decltype(vwprintf(L"", va)), int>::value), "");
    static_assert((std::is_same<decltype(wprintf(L"")), int>::value), "");
#endif
}