mirror of
https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-16 05:13:58 -07:00
9c7bbd531f
Make include-what-you-use happy with some files in source/lib and fix what needs to be fixed. Ref: #8086 Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/* Copyright (C) 2025 Wildfire Games.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included
|
|
* in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
|
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
|
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
|
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
|
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef INCLUDED_WRITE_BUFFER
|
|
#define INCLUDED_WRITE_BUFFER
|
|
|
|
#include "lib/code_annotation.h"
|
|
#include "lib/file/file.h"
|
|
#include "lib/posix/posix_types.h"
|
|
#include "lib/status.h"
|
|
#include "lib/types.h"
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
|
|
class WriteBuffer
|
|
{
|
|
public:
|
|
WriteBuffer();
|
|
|
|
void Append(const void* data, size_t size);
|
|
void Reserve(size_t size);
|
|
void Overwrite(const void* data, size_t size, size_t offset);
|
|
|
|
std::shared_ptr<u8> Data() const
|
|
{
|
|
return m_data;
|
|
}
|
|
|
|
size_t Size() const
|
|
{
|
|
return m_size;
|
|
}
|
|
|
|
private:
|
|
void EnsureSufficientCapacity(size_t size);
|
|
|
|
size_t m_capacity; // must come first (init order)
|
|
|
|
std::shared_ptr<u8> m_data;
|
|
size_t m_size;
|
|
};
|
|
|
|
|
|
class UnalignedWriter
|
|
{
|
|
NONCOPYABLE(UnalignedWriter);
|
|
public:
|
|
UnalignedWriter(const PFile& file, off_t ofs);
|
|
~UnalignedWriter();
|
|
|
|
/**
|
|
* add data to the align buffer, writing it out to disk if full.
|
|
**/
|
|
Status Append(const u8* data, size_t size) const;
|
|
|
|
/**
|
|
* zero-initialize any remaining space in the align buffer and write
|
|
* it to the file. this is called by the destructor.
|
|
**/
|
|
void Flush() const;
|
|
|
|
private:
|
|
Status WriteBlock() const;
|
|
|
|
PFile m_file;
|
|
std::shared_ptr<u8> m_alignedBuf;
|
|
mutable off_t m_alignedOfs;
|
|
mutable size_t m_bytesUsed;
|
|
};
|
|
|
|
typedef std::shared_ptr<UnalignedWriter> PUnalignedWriter;
|
|
|
|
#endif // #ifndef INCLUDED_WRITE_BUFFER
|