harmony(鸿蒙)commonlibrary

2022-10-28
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commonlibrary

Introduction

The commonlibrary subsystem stores basic OpenHarmony components which provides common enhanced APIs for development in C, C++ and JS that are commonly used by OpenHarmony service subsystems and upper-layer applications. Including repositories:

/commonlibrary
    ├── c_utils                  # Enhanced basic C/C++ library for developers 
    ├── ets_utils                # Enhanced basic JS library for developers
    └── utils_lite               # Basic tools for liteOS, including C and JS.

Features provided by every repositories are listed here:

c_utils

Enhanced APIs for operations related to files, paths, and strings
APIs related to the read-write lock, semaphore, timer, thread, and thread pool
APIs related to the security data container and data serialization
Error codes for each subsystem
Safe functions in C

ets_utils

JSAPIs for operation of URI, URL and xml
JSAPIs for character encoder and decoder
JSAPIs for operation of process
Multithreading ability in JS

utils_lite

Hardware Abstraction Layer (HAL) APIs for performing operations on standard files
APIs for internal functions, such as the timer

Related Documents

Commonlibrary Development Guidelines