mirror of https://github.com/nodejs/node.git
82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/*
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* nghttp3
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*
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* Copyright (c) 2019 nghttp3 contributors
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* Copyright (c) 2016 nghttp2 contributors
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef NGHTTP3_RCBUF_H
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#define NGHTTP3_RCBUF_H
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <nghttp3/nghttp3.h>
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struct nghttp3_rcbuf {
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/* mem is the memory allocator that allocates memory for this
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object. */
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const nghttp3_mem *mem;
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/* The pointer to the underlying buffer */
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uint8_t *base;
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/* Size of buffer pointed by |base|. */
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size_t len;
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/* Reference count */
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int32_t ref;
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};
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/*
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* Allocates nghttp3_rcbuf object with |size| as initial buffer size.
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* When the function succeeds, the reference count becomes 1.
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*
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* This function returns 0 if it succeeds, or one of the following
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* negative error codes:
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*
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* NGHTTP3_ERR_NOMEM:
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* Out of memory.
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*/
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int nghttp3_rcbuf_new(nghttp3_rcbuf **rcbuf_ptr, size_t size,
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const nghttp3_mem *mem);
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/*
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* Like nghttp3_rcbuf_new(), but initializes the buffer with |src| of
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* length |srclen|. This function allocates additional byte at the
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* end and puts '\0' into it, so that the resulting buffer could be
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* used as NULL-terminated string. Still (*rcbuf_ptr)->len equals to
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* |srclen|.
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*
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* This function returns 0 if it succeeds, or one of the following
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* negative error codes:
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*
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* NGHTTP3_ERR_NOMEM:
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* Out of memory.
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*/
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int nghttp3_rcbuf_new2(nghttp3_rcbuf **rcbuf_ptr, const uint8_t *src,
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size_t srclen, const nghttp3_mem *mem);
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/*
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* Frees |rcbuf| itself, regardless of its reference cout.
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*/
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void nghttp3_rcbuf_del(nghttp3_rcbuf *rcbuf);
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#endif /* NGHTTP3_RCBUF_H */
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