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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
commit | f449f278dd3c70e479a035f50a9bb817a9b433ba (patch) | |
tree | 8ca2bfb785dda9bb4d573acdf9b42aea9cd51383 /src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_buf.c | |
parent | Initial commit. (diff) | |
download | knot-upstream/3.2.6.tar.xz knot-upstream/3.2.6.zip |
Adding upstream version 3.2.6.upstream/3.2.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_buf.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_buf.c b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_buf.c new file mode 100644 index 0000000..75326d6 --- /dev/null +++ b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_buf.c @@ -0,0 +1,56 @@ +/* + * ngtcp2 + * + * Copyright (c) 2017 ngtcp2 contributors + * + * 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. + */ +#include "ngtcp2_buf.h" +#include "ngtcp2_mem.h" + +void ngtcp2_buf_init(ngtcp2_buf *buf, uint8_t *begin, size_t len) { + buf->begin = buf->pos = buf->last = begin; + buf->end = begin + len; +} + +void ngtcp2_buf_reset(ngtcp2_buf *buf) { buf->pos = buf->last = buf->begin; } + +size_t ngtcp2_buf_cap(const ngtcp2_buf *buf) { + return (size_t)(buf->end - buf->begin); +} + +int ngtcp2_buf_chain_new(ngtcp2_buf_chain **pbufchain, size_t len, + const ngtcp2_mem *mem) { + *pbufchain = ngtcp2_mem_malloc(mem, sizeof(ngtcp2_buf_chain) + len); + if (*pbufchain == NULL) { + return NGTCP2_ERR_NOMEM; + } + + (*pbufchain)->next = NULL; + + ngtcp2_buf_init(&(*pbufchain)->buf, + (uint8_t *)(*pbufchain) + sizeof(ngtcp2_buf_chain), len); + + return 0; +} + +void ngtcp2_buf_chain_del(ngtcp2_buf_chain *bufchain, const ngtcp2_mem *mem) { + ngtcp2_mem_free(mem, bufchain); +} |