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/*
Userspace Virtual Filesystem

Copyright (C) 2015 Sebastian Herbord. All rights reserved.

This file is part of usvfs.

usvfs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

usvfs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with usvfs. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once

namespace usvfs::shared
{

void strncpy_sz(char* dest, const char* src, size_t destSize);
void wcsncpy_sz(wchar_t* dest, const wchar_t* src, size_t destSize);

bool startswith(const wchar_t* string, const wchar_t* subString);

// Return path when appended to a_From will resolve to same as a_To
fs::path make_relative(const fs::path& from, const fs::path& to);

std::string to_hex(void* bufferIn, size_t bufferSize);

// convert unicode string to upper-case (locale invariant)
std::wstring to_upper(const std::wstring& input);

// formats a number with thousand separators and B at the end
//
std::string byte_string(std::size_t n);

class FormatGuard
{
  std::ostream& m_Stream;
  std::ios::fmtflags m_Flags;

public:
  FormatGuard(std::ostream& stream) : m_Stream(stream), m_Flags(stream.flags()) {}

  ~FormatGuard() { m_Stream.flags(m_Flags); }

  FormatGuard(const FormatGuard&)      = delete;
  FormatGuard& operator=(FormatGuard&) = delete;
};

}  // namespace usvfs::shared