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I want to add the "Cursor-MDC-Files — Cursor Rules" prompt rules to my project. Repository: https://github.com/rstevens70/Cursor-MDC-Files Please read the repo to find the rules/prompt file, then: 1. Download it to the correct location (.cursorrules, .windsurfrules, .github/prompts/, or project root — based on the file type) 2. If there's an existing rules file, merge the new rules in rather than overwriting 3. Confirm what was added
Description
C Programming Core Guidelines
Const Usage (CERT DCL00-C)
• Use const for values that shouldn't change • Use const for pointer parameters that shouldn't modify data `c void printMessage(const char *message) { // Function can't modify the string printf("%s\n", message); } `
C Programming Best Practices
Based on SEI CERT C Coding Standard, MISRA C Guidelines, and C17 Standard > Related Guidelines: > - See [memory.md] for detailed memory management guidelines > - See [error.md] for comprehensive error handling patterns > - See [comments.md] for documentation and commenting standards > - See [cmake.md] for build configuration guidelines
General Guidelines
• Use consistent indentation (4 spaces as per project guidelines) • Limit line length to 80-100 characters for readability • Use meaningful variable and function names with snake_case • Define constants with UPPER_SNAKE_CASE • Always initialize variables before use • Avoid global variables when possible • Prefer static functions for internal implementation details
Security (SEI CERT C)
• Validate all input from external sources • Use bounds-checking functions (strncpy instead of strcpy, etc.) • Check return values from functions that can fail • Avoid dangerous functions (gets, scanf without field width limits) • Validate array indices before use • Use secure random number generation for cryptographic purposes • Sanitize data before passing to system() or exec() functions
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Works With
Any AI assistant that accepts custom rules or system prompts