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81 lines
2.6 KiB
81 lines
2.6 KiB
4 years ago
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/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2016 Tatsuhiro Tsujikawa
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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 NGHTTP2_RCBUF_H
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#define NGHTTP2_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 <nghttp2/nghttp2.h>
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struct nghttp2_rcbuf {
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/* custom memory allocator belongs to the mem parameter when
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creating this object. */
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void *mem_user_data;
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nghttp2_free free;
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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 nghttp2_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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* NGHTTP2_ERR_NOMEM:
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* Out of memory.
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*/
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int nghttp2_rcbuf_new(nghttp2_rcbuf **rcbuf_ptr, size_t size, nghttp2_mem *mem);
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/*
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* Like nghttp2_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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* NGHTTP2_ERR_NOMEM:
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* Out of memory.
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*/
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int nghttp2_rcbuf_new2(nghttp2_rcbuf **rcbuf_ptr, const uint8_t *src,
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size_t srclen, nghttp2_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 nghttp2_rcbuf_del(nghttp2_rcbuf *rcbuf);
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#endif /* NGHTTP2_RCBUF_H */
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