42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <iostream>
|
|
|
|
// wostream wcout;
|
|
|
|
// UNSUPPORTED: no-wide-characters
|
|
|
|
// RUN: %{build}
|
|
// RUN: %{exec} %t.exe > %t.actual
|
|
// RUN: echo -n zzzz > %t.expected
|
|
// RUN: diff %t.expected %t.actual
|
|
|
|
#include <iostream>
|
|
|
|
struct custom_codecvt : std::codecvt<wchar_t, char, std::mbstate_t> {
|
|
using base = std::codecvt<wchar_t, char, std::mbstate_t>;
|
|
protected:
|
|
result do_out(std::mbstate_t&, const wchar_t *from, const wchar_t *from_end,
|
|
const wchar_t *&from_next, char *to, char *to_end, char *&to_next) const {
|
|
while (from != from_end && to != to_end) {
|
|
++from;
|
|
*to++ = 'z';
|
|
}
|
|
from_next = from;
|
|
to_next = to;
|
|
return ok;
|
|
}
|
|
};
|
|
|
|
int main(int, char**) {
|
|
std::locale loc(std::locale::classic(), new custom_codecvt);
|
|
std::wcout.imbue(loc);
|
|
std::wcout << L"1234";
|
|
return 0;
|
|
}
|