/usr/include/xsd/cxx/tree/buffer.txx is in xsdcxx 4.0.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// copyright : Copyright (c) 2005-2014 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
namespace xsd
{
namespace cxx
{
namespace tree
{
template <typename C>
buffer<C>::
buffer (size_t size)
{
capacity (size);
size_ = size;
}
template <typename C>
buffer<C>::
buffer (size_t size, size_t capacity)
{
if (size > capacity)
throw bounds<C> ();
this->capacity (capacity);
size_ = size;
}
template <typename C>
buffer<C>::
buffer (const void* data, size_t size)
{
capacity (size);
size_ = size;
if (size_)
std::memcpy (data_, data, size_);
}
template <typename C>
buffer<C>::
buffer (const void* data, size_t size, size_t capacity)
{
if (size > capacity)
throw bounds<C> ();
this->capacity (capacity);
size_ = size;
if (size_)
std::memcpy (data_, data, size_);
}
template <typename C>
buffer<C>::
buffer (void* data, size_t size, size_t capacity, bool own)
{
if (size > capacity)
throw bounds<C> ();
data_ = reinterpret_cast<char*> (data);
size_ = size;
capacity_ = capacity;
free_ = own;
}
template <typename C>
buffer<C>::
buffer (const buffer& other)
: buffer_base ()
{
capacity (other.capacity_);
size_ = other.size_;
if (size_)
std::memcpy (data_, other.data_, size_);
}
template <typename C>
buffer<C>& buffer<C>::
operator= (const buffer& other)
{
if (this != &other)
{
capacity (other.capacity_, false);
size_ = other.size_;
if (size_)
std::memcpy (data_, other.data_, size_);
}
return *this;
}
template <typename C>
void buffer<C>::
swap (buffer& other)
{
char* tmp_data (data_);
size_t tmp_size (size_);
size_t tmp_capacity (capacity_);
bool tmp_free (free_);
data_ = other.data_;
size_ = other.size_;
capacity_ = other.capacity_;
free_ = other.free_;
other.data_ = tmp_data;
other.size_ = tmp_size;
other.capacity_ = tmp_capacity;
other.free_ = tmp_free;
}
template <typename C>
bool buffer<C>::
capacity (size_t capacity, bool copy)
{
if (size_ > capacity)
throw bounds<C> ();
if (capacity <= capacity_)
{
return false; // Do nothing if shrinking is requested.
}
else
{
char* data (reinterpret_cast<char*> (operator new (capacity)));
if (copy && size_ > 0)
std::memcpy (data, data_, size_);
if (free_ && data_)
operator delete (data_);
data_ = data;
capacity_ = capacity;
free_ = true;
return true;
}
}
}
}
}
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