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OpenHarmony C++ Coding Skills

Core Mandates (Common Pitfalls)

These rules are strictly enforced in OpenHarmony and often differ from general C++ projects.

1. Strict Naming & Formatting

• Extensions: Always use .cpp and .h.
• Files: Filenames must match class names (Unix-like, e.g., my_class.cpp).
• Variables: Global vars must start with g_ (e.g., g_config). Class members must end with _ (e.g., value_).
• Braces: K &R Style is mandatory (opening brace on the same line).
• Details: See naming_formatting.md.

2. Header Management

• Guards: Use #ifndef guards. #pragma once is FORBIDDEN.
• Includes: Prefer #include over forward declarations to prevent hidden dependencies.
• Details: See headers_scopes.md.

3. Critical Security Requirements

• Input Validation: All external data must be validated before use (indices, sizes, loops).
• Memory Safety: Pointers must be set to nullptr immediately after deletion.
• Bitwise: Only on unsigned types.
• Details: See secure_coding.md.

Usage Guide

When to use

• New Code: Generating new classes or modules.
• Refactoring: Cleaning up legacy code.
• Review: Checking code against OpenHarmony standards.

Reference Map

• naming_formatting.md : Naming conventions (g_, _), braces (K&R), line length.
• secure_coding.md : Input validation, integer safety, memory management, prohibited functions.
• class_function_design.md : Constructors, inheritance, modern C++ (nullptr, const), function size.
• headers_scopes.md : Header guards, namespaces, include rules.

Weekly Installs

58

Repository

openharmonyinsi…y-skills

GitHub Stars

10

First Seen

Feb 1, 2026

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