50 lines
646 B
C
50 lines
646 B
C
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#pragma once
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#include "foundation/error.h"
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#include <stdlib.h>
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/* an automatically growing buffer */
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class AutoBuffer
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{
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public:
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AutoBuffer()
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{
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buffer=0;
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buffer_length=0;
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}
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~AutoBuffer()
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{
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free(buffer);
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}
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operator void *()
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{
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return buffer;
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}
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template <class ptr_t>
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ptr_t Get()
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{
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return (ptr_t)buffer;
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}
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int Reserve(size_t new_size)
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{
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if (new_size <= buffer_length)
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return NErr_Success;
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void *new_buffer = realloc(buffer, new_size);
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if (!new_buffer)
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return NErr_OutOfMemory;
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buffer = new_buffer;
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buffer_length = new_size;
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return NErr_Success;
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}
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private:
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void *buffer;
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size_t buffer_length;
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};
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