ctabuyo

ctabuyo / ols-parser

Public

A small, zero-dependency C parser for WinOLS `.ols` project files.

11
1
100% credibility
Found Apr 22, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C
AI Summary

A lightweight C program and library that reads and extracts project details, car metadata, ROM images, and calibration maps from WinOLS .ols files used in automotive tuning.

How It Works

1
🔍 Discover the file reader

You hear about a simple tool that lets you peek inside special car tuning files without needing expensive software.

2
📥 Get the reader ready

Download the program and prepare it on your computer so it's all set to use.

3
📁 Choose your tuning file

Pick the .ols file from your car project that you want to explore.

4
🚀 Open and read the file

Run the reader on your file and watch it uncover all the hidden details inside.

5
Pick your view
📋
Quick list

Get a simple list of all the maps in your file.

🔬
Deep dive

See every map with sizes, scales, and car info.

✅ Explore your car maps

You now have a clear picture of your ECU versions, maps, and tuning data, ready to work with.

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Star Growth

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AI-Generated Review

What is ols-parser?

This small GitHub repo delivers a zero-dependency C parser for WinOLS `.ols` project files, extracting headers, ECU metadata, ROM versions, and calibration maps with axes, scaling, and cell layouts. Run the CLI `ols_dump` for quick dumps (`-v` for details, `-q` for metadata only) or embed it as a library via a single header for in-memory parsing and ROM reconstruction. It handles legacy and modern formats, giving you structured data without the proprietary WinOLS software.

Why is it gaining traction?

In a sea of bloated tools, this small GitHub project stands out with its kernel-style C99 code—no libs, one-make binary, public domain license. Developers love the exhaustive README format spec, turning reverse engineering into plug-and-play parsing. Perfect for resumes with a small GitHub icon showcasing real-world protocol hacking.

Who should use this?

Automotive tuners building map editors from `.ols` files. ECU reverse engineers dumping ROMs and Kennfeld data for flashing tools. Embedded devs needing a tiny OLS parser in resource-constrained environments.

Verdict

Worth adding to your kit despite 11 stars and 1.0% credibility score—excellent docs and mature parsing make it production-ready for niche WinOLS work. Fork for extras; it's a small GitHub repo gem.

(178 words)

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