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27 lines
897 B
27 lines
897 B
=proto
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void *duk_resize_buffer(duk_context *ctx, int index, size_t new_size);
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=stack
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[ ... val! ... ]
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=summary
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<p>Resize a dynamic buffer at <code>index</code> to <code>new_size</code> bytes.
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If <code>new_size</code> is larger than the current size, newly allocated bytes
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(above old size) are automatically zeroed. Returns a pointer to the new buffer
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data area. If <code>new_size</code> is zero, may return either <code>NULL</code> or some
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non-<code>NULL</code> value. If resizing fails, the value at <code>index</code> is not
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a dynamic buffer, or <code>index</code> is invalid, throws an error.</p>
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=example
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void *ptr;
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ptr = duk_resize_buffer(ctx, -3, 4096);
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=tags
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stack
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buffer
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=fixme
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Currently the buffer is "snug" i.e. there is no spare area (which is supported
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internally). Expose this somehow, or manage spare automatically and use
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something like "compact" to make the buffer snug?
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