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51 lines
1.9 KiB
51 lines
1.9 KiB
9 years ago
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/*
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Copyright (c) 2013 Martin Sustrik All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom
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the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#ifndef NN_CHUNK_INCLUDED
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#define NN_CHUNK_INCLUDED
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#include <stddef.h>
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#include "int.h"
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/* Allocates the chunk using the allocation mechanism specified by 'type'. */
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int nn_chunk_alloc (size_t size, int type, void **result);
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/* Resizes a chunk previously allocated with nn_chunk_alloc. */
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int nn_chunk_realloc (size_t size, void **chunk);
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/* Releases a reference to the chunk and once the reference count had dropped
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to zero, deallocates the chunk. */
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void nn_chunk_free (void *p);
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/* Increases the reference count of the chunk by 'n'. */
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void nn_chunk_addref (void *p, uint32_t n);
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/* Returns size of the chunk buffer. */
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size_t nn_chunk_size (void *p);
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/* Trims n bytes from the beginning of the chunk. Returns pointer to the new
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chunk. */
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void *nn_chunk_trim (void *p, size_t n);
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#endif
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