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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H
#define _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H
#include <__config>
#if _LIBCPP_HAS_LOCALIZATION
# include <ios>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _CharT, class _OutputIterator>
_LIBCPP_HIDE_FROM_ABI _OutputIterator __pad_and_output(
_OutputIterator __s, const _CharT* __ob, const _CharT* __op, const _CharT* __oe, ios_base& __iob, _CharT __fl) {
streamsize __sz = __oe - __ob;
streamsize __ns = __iob.width();
if (__ns > __sz)
__ns -= __sz;
else
__ns = 0;
for (; __ob < __op; ++__ob, ++__s)
*__s = *__ob;
for (; __ns; --__ns, ++__s)
*__s = __fl;
for (; __ob < __oe; ++__ob, ++__s)
*__s = *__ob;
__iob.width(0);
return __s;
}
template <class _CharT, class _Traits>
_LIBCPP_HIDE_FROM_ABI ostreambuf_iterator<_CharT, _Traits> __pad_and_output(
ostreambuf_iterator<_CharT, _Traits> __s,
const _CharT* __ob,
const _CharT* __op,
const _CharT* __oe,
ios_base& __iob,
_CharT __fl) {
if (__s.__sbuf_ == nullptr)
return __s;
streamsize __sz = __oe - __ob;
streamsize __ns = __iob.width();
if (__ns > __sz)
__ns -= __sz;
else
__ns = 0;
streamsize __np = __op - __ob;
if (__np > 0) {
if (__s.__sbuf_->sputn(__ob, __np) != __np) {
__s.__sbuf_ = nullptr;
return __s;
}
}
if (__ns > 0) {
basic_string<_CharT, _Traits> __sp(__ns, __fl);
if (__s.__sbuf_->sputn(__sp.data(), __ns) != __ns) {
__s.__sbuf_ = nullptr;
return __s;
}
}
__np = __oe - __op;
if (__np > 0) {
if (__s.__sbuf_->sputn(__op, __np) != __np) {
__s.__sbuf_ = nullptr;
return __s;
}
}
__iob.width(0);
return __s;
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_HAS_LOCALIZATION
#endif // _LIBCPP___LOCALE_DIR_PAD_AND_OUTPUT_H
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