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A struct bufref holds a buffer pointer, a data size and a destructor. When freed or its contents are changed, the previous buffer is implicitly released by the associated destructor. The data size, although not used internally, allows binary data support. A unit test checks its handling methods: test 1661 Closes #6654
47 lines
1.8 KiB
C
47 lines
1.8 KiB
C
#ifndef HEADER_CURL_BUFREF_H
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#define HEADER_CURL_BUFREF_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/*
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* Generic buffer reference.
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*/
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struct bufref {
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void (*dtor)(void *); /* Associated destructor. */
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const unsigned char *ptr; /* Referenced data buffer. */
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size_t len; /* The data size in bytes. */
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#ifdef DEBUGBUILD
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int signature; /* Detect API use mistakes. */
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#endif
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};
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void Curl_bufref_init(struct bufref *br);
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void Curl_bufref_set(struct bufref *br, const void *ptr, size_t len,
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void (*dtor)(void *));
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const unsigned char *Curl_bufref_ptr(const struct bufref *br);
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size_t Curl_bufref_len(const struct bufref *br);
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CURLcode Curl_bufref_memdup(struct bufref *br, const void *ptr, size_t len);
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void Curl_bufref_free(struct bufref *br);
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#endif
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