Increase column limit to 100 for C code (#456)

* Increase column limit & run make format

* Update section dividers

* Remove manual clangformat on/off lines & reformat

* Wrap comments to 100 chars

* Update dividers in batch cell verification

* Update comments in the test file too

* Use clang-format-18

* Exclude tinytest.h

* Update comments in header file

* Only run clang-format on ubuntu

* Update Rust binding's generated file

.github/workflows/c-tests.yml

@@ -29,11 +29,13 @@ jobs:
 
       # Check formatting.
       # Only need to check this once.
-      - name: Check formatting
+      - name: Run clang-format
         if: matrix.os == 'ubuntu-latest'
-        run: |
-          make format
-          git diff --exit-code
+        uses: jidicula/[email protected]
+        with:
+          clang-format-version: '18'
+          check-path: 'src'
+          exclude-regex: 'tinytest.h'
 
       # Build and test.
       - name: Build

src/.clang-format

@@ -10,3 +10,4 @@ BinPackArguments: False
 BinPackParameters: False
 PenaltyReturnTypeOnItsOwnLine: 1000
 PenaltyBreakAssignment: 100
+ColumnLimit: 100