winamp/Src/replicant/nu/AutoBuffer.h

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2024-09-24 12:54:57 +00:00
#pragma once
#include "foundation/error.h"
#include <stdlib.h>
/* an automatically growing buffer */
class AutoBuffer
{
public:
AutoBuffer()
{
buffer=0;
buffer_length=0;
}
~AutoBuffer()
{
free(buffer);
}
operator void *()
{
return buffer;
}
template <class ptr_t>
ptr_t Get()
{
return (ptr_t)buffer;
}
int Reserve(size_t new_size)
{
if (new_size <= buffer_length)
return NErr_Success;
void *new_buffer = realloc(buffer, new_size);
if (!new_buffer)
return NErr_OutOfMemory;
buffer = new_buffer;
buffer_length = new_size;
return NErr_Success;
}
private:
void *buffer;
size_t buffer_length;
};