Compares version components in |components1| with components in |components2|. Returns -1, 0 or 1 if |components1| is less than, equal to, or greater than |components2|, respectively.
| 55 | // |components2|. Returns -1, 0 or 1 if |components1| is less than, equal to, |
| 56 | // or greater than |components2|, respectively. |
| 57 | int CompareVersionComponents(const std::vector<uint16_t>& components1, |
| 58 | const std::vector<uint16_t>& components2) { |
| 59 | const size_t count = std::min(components1.size(), components2.size()); |
| 60 | for (size_t i = 0; i < count; ++i) { |
| 61 | if (components1[i] > components2[i]) |
| 62 | return 1; |
| 63 | if (components1[i] < components2[i]) |
| 64 | return -1; |
| 65 | } |
| 66 | if (components1.size() > components2.size()) { |
| 67 | for (size_t i = count; i < components1.size(); ++i) { |
| 68 | if (components1[i] > 0) |
| 69 | return 1; |
| 70 | } |
| 71 | } else if (components1.size() < components2.size()) { |
| 72 | for (size_t i = count; i < components2.size(); ++i) { |
| 73 | if (components2[i] > 0) |
| 74 | return -1; |
| 75 | } |
| 76 | } |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | } // namespace |
| 81 |
no test coverage detected