C tiny logger

A tiny, head-only logging library for C. Minimal, portable, and easy to drop into any project.

✨ Features

• Log levels: TRACE, DEBUG, INFO, WARN, ERROR, FATAL
• Colorized terminal output(ANSI)
• Timestamped log messages
• Output to stdout/stderr or a file
• Compile-time log level filtering
• Zero external dependencies

📦 Getting started

1. Add to your project Just copy logger.h into your source tree.
2. In one *.c file (e.g., main.c), define the implementation

#include LOGGER_IMPLEMENTATION
#include "logger.h"

3. Include only in other file

⚙️ API

void log_set_level(LogLevel level);
void log_set_file(FILE *f);
void log_log(LogLevel level, const char* fmt, ...);

Convenience macros:

LOG_TRACE(...);
LOG_DEBUG(...);
LOG_INFO(...);
LOG_WARN(...);
LOG_ERROR(...);
LOG_FATAL(...);

📜 License

MIT License – free for personal and commercial use. (see more details)