Fix C formatting again.

.github/check-c-formatting.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env sh
+# I wanted to get the merge base using {{ github.base_ref }}, however this is only
+# available for the event that opens the PR or edits it, not on pushes to the branch.
+# Comparing to main should be an OK alternative, since it will - at worst - do more
+# autoformatting than it otherwise would.
+
+[ -z "$1" ] && merge_base=main || merge_base="$1"
+
+git fetch origin $merge_base:refs/remotes/origin/$merge_base
+
+echo "$(clang-format --version)"
+(git diff --name-only "origin/$merge_base") | while read filename; do
+    extension="${filename##*.}"
+    if [ "$extension" = "c" ] || [ "$extension" = "h" ]; then
+        clang-format -i -style=file "$filename"
+    fi
+done

.github/workflows/linting.yml

@@ -9,9 +9,7 @@ jobs:
       - name: Check out openvas-scanner
         uses: actions/checkout@v4
       - name: Formatting
-        run: |
-          clang-format -i -style=file {src,misc,nasl}/*.{c,h}
-          git diff --exit-code
+        run: sh .github/check-c-formatting.sh ${{ github.base_ref }}
   Rust:
     runs-on: ubuntu-latest
     defaults:

src/utils.c

@@ -280,8 +280,8 @@ write_script_stats (const char *buf, const char *path, int mode)
   pd = fopen (path, mode == 0 ? "a" : mode == 1 ? "r+" : "w");
   if (pd == NULL)
     {
-      g_warning ("%s: Error opening FILE '%s' for script stats: %d - %s", __func__,
-                 path, errno, strerror (errno));
+      g_warning ("%s: Error opening FILE '%s' for script stats: %d - %s",
+                 __func__, path, errno, strerror (errno));
       return;
     }