Tools: include STRNLEN macros in code_clean utility

tools/utils_maintenance/code_clean.py

@@ -1154,6 +1154,29 @@ class edit_generators:
                         content_fail='__ALWAYS_FAIL__',
                     ))
 
+            # `BLI_strnlen(a, sizeof(a))` -> `STRNLEN(a)`
+            # `BLI_strnlen(a, SOME_ID)` -> `STRNLEN(a)`
+            for src, dst in (
+                    ("BLI_strnlen", "STRNLEN"),
+                    ("BLI_strnlen_utf8", "STRNLEN_UTF8"),
+            ):
+                for match in re.finditer(
+                        (r"\b" + src + (
+                            r"\(([^,]+),\s+" r"("
+                            r"sizeof\([^\(\)]+\)"  # Trailing `sizeof(..)`.
+                            r"|"
+                            r"[a-zA-Z0-9_]+"  # Trailing identifier (typically a define).
+                            r")" r"\)"
+                        )),
+                        data,
+                        flags=re.MULTILINE,
+                ):
+                    edits.append(Edit(
+                        span=match.span(),
+                        content='{:s}({:s})'.format(dst, match.group(1)),
+                        content_fail='__ALWAYS_FAIL__',
+                    ))
+
             # `BLI_snprintf(a, SOME_SIZE, ...` -> `SNPRINTF(a, ...`
             for src, dst in (
                     ("BLI_snprintf", "SNPRINTF"),