?? membuf.h
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// membuf.h -- Thatcher Ulrich 2005
// This source code has been donated to the Public Domain. Do
// whatever you want with it.
// A simple memory buffer. Similar to a string, but can hold null
// characters.
#ifndef MEMBUF_H
#define MEMBUF_H
#include "base/tu_config.h"
#include "base/utility.h"
class tu_string;
struct membuf
{
membuf();
membuf(const void* data, int size);
membuf(const membuf& buf);
membuf(const tu_string& str);
~membuf();
// Construct a read-only membuf that points at the given data,
// instead of copying it.
enum read_only_enum { READ_ONLY };
membuf(read_only_enum e, const void* data, int size);
int size() const { return m_size; }
const void* data() const { return m_data; }
void* data() { assert(!m_read_only); return m_data; }
// Don't call these mutators on read-only membufs.
// Return false if we couldn't resize (i.e. realloc failure).
bool resize(int new_size);
// Return false on realloc failure.
bool append(const void* data, int size);
bool append(const membuf& buf);
// We do not append the terminating '\0'.
bool append(const tu_string& str);
private:
int m_size;
int m_capacity;
void* m_data;
bool m_read_only;
};
#endif // MEMBUF_H
// Local Variables:
// mode: C++
// c-basic-offset: 8
// tab-width: 8
// indent-tabs-mode: t
// End:
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