| /* |
| * nghttp2 - HTTP/2 C Library |
| * |
| * Copyright (c) 2016 Tatsuhiro Tsujikawa |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining |
| * a copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sublicense, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
| * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| #ifndef NGHTTP2_RCBUF_H |
| #define NGHTTP2_RCBUF_H |
| |
| #ifdef HAVE_CONFIG_H |
| # include <config.h> |
| #endif /* HAVE_CONFIG_H */ |
| |
| #include <nghttp2/nghttp2.h> |
| |
| struct nghttp2_rcbuf { |
| /* custom memory allocator belongs to the mem parameter when |
| creating this object. */ |
| void *mem_user_data; |
| nghttp2_free free; |
| /* The pointer to the underlying buffer */ |
| uint8_t *base; |
| /* Size of buffer pointed by |base|. */ |
| size_t len; |
| /* Reference count */ |
| int32_t ref; |
| }; |
| |
| /* |
| * Allocates nghttp2_rcbuf object with |size| as initial buffer size. |
| * When the function succeeds, the reference count becomes 1. |
| * |
| * This function returns 0 if it succeeds, or one of the following |
| * negative error codes: |
| * |
| * NGHTTP2_ERR_NOMEM: |
| * Out of memory. |
| */ |
| int nghttp2_rcbuf_new(nghttp2_rcbuf **rcbuf_ptr, size_t size, nghttp2_mem *mem); |
| |
| /* |
| * Like nghttp2_rcbuf_new(), but initializes the buffer with |src| of |
| * length |srclen|. This function allocates additional byte at the |
| * end and puts '\0' into it, so that the resulting buffer could be |
| * used as NULL-terminated string. Still (*rcbuf_ptr)->len equals to |
| * |srclen|. |
| * |
| * This function returns 0 if it succeeds, or one of the following |
| * negative error codes: |
| * |
| * NGHTTP2_ERR_NOMEM: |
| * Out of memory. |
| */ |
| int nghttp2_rcbuf_new2(nghttp2_rcbuf **rcbuf_ptr, const uint8_t *src, |
| size_t srclen, nghttp2_mem *mem); |
| |
| /* |
| * Frees |rcbuf| itself, regardless of its reference cout. |
| */ |
| void nghttp2_rcbuf_del(nghttp2_rcbuf *rcbuf); |
| |
| #endif /* NGHTTP2_RCBUF_H */ |