File _service:obs_scm:README.en.md of Package rcpputils

# rcpputils

#### Description
The rcpputils node

rcpputils is a C++ API consisting of macros, functions, and data structures intended for use throughout the ROS 2 codebase

#### Software Architecture
Software architecture description

https://github.com/ros2/rcpputils.git

input:
```
.
├── CHANGELOG.rst
├── CMakeLists.txt
├── CODEOWNERS
├── CONTRIBUTING.md
├── docs
│   └── FEATURES.md
├── Doxyfile
├── include
│   ├── rcppmath
│   └── rcpputils
├── LICENSE
├── package.xml
├── QUALITY_DECLARATION.md
├── README.md
├── src
│   ├── asserts.cpp
│   ├── find_library.cpp
│   └── shared_library.cpp
└── test
    ├── dummy_shared_library
    ├── test_asserts.cpp
    ├── test_clamp.cpp
    ├── test_endian.cpp
    ├── test_filesystem_helper.cpp
    ├── test_find_and_replace.cpp
    ├── test_find_library.cpp
    ├── test_get_env.cpp
    ├── test_join.cpp
    ├── test_library.cpp
    ├── test_pointer_traits.cpp
    ├── test_process.cpp
    ├── test_scope_exit.cpp
    ├── test_shared_library.cpp
    ├── test_split.cpp
    └── test_thread_safety_annotations.cpp
```

#### Installation

1.  Download RPM

aarch64:

```
wget https://117.78.1.88/build/home:Chenjy3_22.03/openEuler_22.03_LTS_standard_aarch64/aarch64/rcpputils/ros-foxy-ros-rcpputils-1.3.2-2.oe2203.aarch64.rpm
```

x86_64:

```
wget https://117.78.1.88/build/home:Chenjy3_22.03/openEuler_22.03_LTS_standard_x86_64/x86_64/rcpputils/ros-foxy-ros-rcpputils-1.3.2-2.oe2203.x86_64.rpm
```

2.  Install RPM

aarch64:

```
sudo rpm -ivh --nodeps --force ros-foxy-ros-rcpputils-1.3.2-2.oe2203.aarch64.rpm
```

x86_64:

```
sudo rpm -ivh --nodeps --force ros-foxy-ros-rcpputils-1.3.2-2.oe2203.x86_64.rpm
```

#### Instructions

Dependence installation:

```
sh /opt/ros/foxy/install_dependence.sh
```

Exit the following output file under the /opt/ros/foxy/ directory,Prove that the software installation is successful.

output:
```
├── include
│   ├── rcppmath
│   │   └── clamp.hpp
│   └── rcpputils
│       ├── asserts.hpp
│       ├── endian.hpp
│       ├── filesystem_helper.hpp
│       ├── find_and_replace.hpp
│       ├── find_library.hpp
│       ├── get_env.hpp
│       ├── join.hpp
│       ├── pointer_traits.hpp
│       ├── process.hpp
│       ├── scope_exit.hpp
│       ├── shared_library.hpp
│       ├── split.hpp
│       ├── thread_safety_annotations.hpp
│       └── visibility_control.hpp
├── lib
│   └── librcpputils.so
└── share
    ├── ament_index
    │   └── resource_index
    ├── colcon-core
    │   └── packages
    └── rcpputils
        ├── cmake
        ├── environment
        ├── hook
        ├── local_setup.bash
        ├── local_setup.dsv
        ├── local_setup.sh
        ├── local_setup.zsh
        ├── package.bash
        ├── package.dsv
        ├── package.ps1
        ├── package.sh
        ├── package.xml
        └── package.zsh
```

#### Contribution

1.  Fork the repository
2.  Create Feat_xxx branch
3.  Commit your code
4.  Create Pull Request

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