diff --git a/enforce_not_null.py b/enforce_not_null.py
new file mode 100644
index 00000000000..3e00b4eb212
--- /dev/null
+++ b/enforce_not_null.py
@@ -0,0 +1,45 @@
+import os
+import re
+
+def find_s2n_config_new_calls(directory):
+    # Define the regex pattern for s2n_config_new() function call
+    config_new = re.compile(r'\bstruct s2n_config *(.*) = s2n_config_new\s*\(')
+
+    NULL_CHECKS = [
+        "RESULT_ENSURE_REF(<>)",
+        "POSIX_ENSURE_REF(<>)",
+        "EXPECT_NOT_NULL(<>)",
+    ]
+    # List to store file paths with matching lines
+    matching_files = []
+
+    # Iterate through each file in the directory and its subdirectories
+    for root, dirs, files in os.walk(directory):
+        for file in files:
+            if file.endswith(".c"):
+                file_path = os.path.join(root, file)
+
+                # Open the file and read its content
+                with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
+                    lines = f.readlines()
+
+                    results = []
+                    for line_number, line in enumerate(lines, start=1):
+                        match = config_new.search(line)
+                        if match == None:
+                            continue
+                        variable = match.group(1)
+                        print(variable)
+                        print(line.strip())
+                        matching_files.append((file_path, line_number, line.strip()))
+    return matching_files
+
+# Replace 'your_codebase_directory' with the actual path to your C codebase
+codebase_directory = '.'
+
+# Find s2n_config_new() calls in the codebase
+result = find_s2n_config_new_calls(codebase_directory)
+
+# Display the results
+# for file_path, line_number, line_content in result:
+#     print(f"File: {file_path}:{line_number}: {line_content}")