Overview

Looking for to nerd out with PNGs a bit more? This JKLMNOP is for you!

Initial Files

In your CS 340 directory, merge the initial starting files with the following commands:

git fetch release
git merge release/mp2-jklmnop --allow-unrelated-histories  -m "Merging initial files"

Requirements

Complete the png_dimensions function in png-dimensions.c in the mp2-jklmnop folder.

The function must:

• Open and read the file png_filename,
• Set the value of the width and height of the file into the provided pointers, and
• Return 0 on success and non-zero on any failure.

Submission and Grading

Submission

Once you have locally passed all the tests, you will need to submit and grade your code. First commit using the standard git commands:

git add -A
git commit -m "MP submission"
git push

Grading

The initial grading is done via a manual GitHub Action. You MUST complete this step before the deadline to earn any points for the MP:

• Navigate to your repository on https://github.com/cs340-illinois.
• Click on the “Action” Tab
• Choose “mp2-jklmnop autograding”
• Click the green “Run Workflow” button (located on the blue bar)
• Press “Run Workflow”
• You will trigger a GitHub Action that will complete the grading run!

Points

The JKLMNOP is worth +2 points, awarded only if all tests (autograder and valgrind) pass.