1 /*
2 * nghttp3
3 *
4 * Copyright (c) 2019 nghttp3 contributors
5 * Copyright (c) 2018 ngtcp2 contributors
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26 #include "nghttp3_vec.h"
27 #include "nghttp3_macro.h"
28
nghttp3_vec_len(const nghttp3_vec * vec,size_t n)29 uint64_t nghttp3_vec_len(const nghttp3_vec *vec, size_t n) {
30 size_t i;
31 uint64_t res = 0;
32
33 for (i = 0; i < n; ++i) {
34 res += vec[i].len;
35 }
36
37 return res;
38 }
39
nghttp3_vec_len_varint(const nghttp3_vec * vec,size_t n)40 int64_t nghttp3_vec_len_varint(const nghttp3_vec *vec, size_t n) {
41 uint64_t res = 0;
42 size_t len;
43 size_t i;
44
45 for (i = 0; i < n; ++i) {
46 len = vec[i].len;
47 if (len > NGHTTP3_MAX_VARINT - res) {
48 return -1;
49 }
50
51 res += len;
52 }
53
54 return (int64_t)res;
55 }
56