1 | /* |
2 | * Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"). |
5 | * You may not use this file except in compliance with the License. |
6 | * A copy of the License is located at |
7 | * |
8 | * http://aws.amazon.com/apache2.0 |
9 | * |
10 | * or in the "license" file accompanying this file. This file is distributed |
11 | * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
12 | * express or implied. See the License for the specific language governing |
13 | * permissions and limitations under the License. |
14 | */ |
15 | |
16 | #include <aws/common/math.h> |
17 | #include <stdarg.h> |
18 | |
19 | AWS_COMMON_API int aws_add_size_checked_varargs(size_t num, size_t *r, ...) { |
20 | va_list argp; |
21 | va_start(argp, r); |
22 | |
23 | size_t accum = 0; |
24 | for (size_t i = 0; i < num; ++i) { |
25 | size_t next = va_arg(argp, size_t); |
26 | if (aws_add_size_checked(accum, next, &accum) == AWS_OP_ERR) { |
27 | va_end(argp); |
28 | return AWS_OP_ERR; |
29 | } |
30 | } |
31 | *r = accum; |
32 | va_end(argp); |
33 | return AWS_OP_SUCCESS; |
34 | } |
35 | |