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834fa8f23f
Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: https://github.com/nodejs/node/pull/32379 Reviewed-By: Anna Henningsen <anna@addaleax.net>
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*
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* ngtcp2
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*
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* Copyright (c) 2017 ngtcp2 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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#include "ngtcp2_buf.h"
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void ngtcp2_buf_init(ngtcp2_buf *buf, uint8_t *begin, size_t len) {
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buf->begin = buf->pos = buf->last = begin;
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buf->end = begin + len;
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}
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void ngtcp2_buf_reset(ngtcp2_buf *buf) { buf->pos = buf->last = buf->begin; }
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size_t ngtcp2_buf_left(const ngtcp2_buf *buf) {
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return (size_t)(buf->end - buf->last);
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}
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size_t ngtcp2_buf_len(const ngtcp2_buf *buf) {
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return (size_t)(buf->last - buf->pos);
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}
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size_t ngtcp2_buf_cap(const ngtcp2_buf *buf) {
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return (size_t)(buf->end - buf->begin);
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}
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