| Line | Branch | Exec | Source | 
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/CPPAlliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/http_proto/buffered_base.hpp> | ||
| 11 | |||
| 12 | namespace boost { | ||
| 13 | namespace http_proto { | ||
| 14 | |||
| 15 | buffered_base:: | ||
| 16 | ~buffered_base() = default; | ||
| 17 | |||
| 18 | void | ||
| 19 | 8 | buffered_base:: | |
| 20 | on_init(allocator&) | ||
| 21 | { | ||
| 22 | 8 | } | |
| 23 | |||
| 24 | void | ||
| 25 | 8 | buffered_base:: | |
| 26 | init( | ||
| 27 | allocator& a, | ||
| 28 | std::size_t max_size) | ||
| 29 | { | ||
| 30 | // max_size exceeds limit | ||
| 31 | 2/2✓ Branch 1 taken 1 times. ✓ Branch 2 taken 7 times. | 8 | if(max_size > a.max_size()) | 
| 32 | 1 | detail::throw_invalid_argument(); | |
| 33 | |||
| 34 | struct restorer | ||
| 35 | { | ||
| 36 | allocator& a; | ||
| 37 | std::size_t n; | ||
| 38 | |||
| 39 | 7 | ~restorer() | |
| 40 | 7 | { | |
| 41 | 7 | a.restore(n); | |
| 42 | 7 | } | |
| 43 | }; | ||
| 44 | |||
| 45 | auto const n = | ||
| 46 | 7 | a.max_size() - max_size; | |
| 47 | 7 | a.remove(n); | |
| 48 | 7 | restorer r{a, n}; | |
| 49 | 2/2✓ Branch 1 taken 5 times. ✓ Branch 2 taken 2 times. | 7 | init(a); | 
| 50 | 5 | } | |
| 51 | |||
| 52 | //------------------------------------------------ | ||
| 53 | |||
| 54 | void* | ||
| 55 | 10 | buffered_base:: | |
| 56 | allocator:: | ||
| 57 | allocate( | ||
| 58 | std::size_t n) | ||
| 59 | { | ||
| 60 | // n exceeds available space | ||
| 61 | 2/2✓ Branch 0 taken 3 times. ✓ Branch 1 taken 7 times. | 10 | if(n > size_) | 
| 62 | 3 | detail::throw_invalid_argument(); | |
| 63 | |||
| 64 | 7 | size_used_ += n; | |
| 65 | 2/2✓ Branch 0 taken 3 times. ✓ Branch 1 taken 4 times. | 7 | if(down_) | 
| 66 | { | ||
| 67 | 3 | auto p = base_ + size_ - n; | |
| 68 | 3 | size_ -= n; | |
| 69 | 3 | return p; | |
| 70 | } | ||
| 71 | 4 | auto p = base_; | |
| 72 | 4 | base_ += n; | |
| 73 | 4 | size_ -= n; | |
| 74 | 4 | return p; | |
| 75 | } | ||
| 76 | |||
| 77 | } // http_proto | ||
| 78 | } // boost | ||
| 79 |