cuda.bindings: tighten strdecode inline comments

Signed-off-by: Aryan Putta <aryansputta@gmail.com>

Author: aryanputta

cuda_bindings/cuda/bindings/_internal/strdecode.py

@@ -5,13 +5,13 @@
 
 from __future__ import annotations
 
-# Cap mirrors the #2118 mojibake size; keeps exception text readable in logs.
+# Cap sized for the #2118 mojibake without flooding exception text.
 _PREVIEW_MAX_BYTES = 64
 
 
 def _bounded_hex_preview(data: bytes, max_bytes: int = _PREVIEW_MAX_BYTES) -> str:
-    # NUL terminates C strings; bytes past it are not the returned value.
-    # Marker is explicit so a reader does not misread truncation as empty.
+    # Bytes after the first NUL are not part of the returned C string. The
+    # marker is explicit so truncation cannot be misread as an empty value.
     nul = data.find(b"\x00")
     nul_stopped = nul != -1
     visible_end = len(data) if not nul_stopped else nul
@@ -30,13 +30,12 @@ def _bounded_hex_preview(data: bytes, max_bytes: int = _PREVIEW_MAX_BYTES) -> st
 def decode_c_str(data: bytes, api_name: str) -> str:
     """Decode ``data`` as UTF-8, or raise ``UnicodeDecodeError`` with ``api_name`` and a bounded hex preview in ``reason``.
 
-    Internal API. ``api_name`` is trusted caller input and is embedded verbatim.
+    Internal API. ``api_name`` is trusted caller input and embedded verbatim.
     """
     try:
         return data.decode("utf-8")
     except UnicodeDecodeError as e:
-        # Same exception type, not a subclass: existing `except UnicodeDecodeError`
-        # keeps working. Original chained via `from e`.
+        # Same exception type, not a subclass, so existing handlers still catch.
         preview = _bounded_hex_preview(data)
         reason = f"{e.reason} (returned by {api_name}; bytes={preview})"
         raise UnicodeDecodeError(e.encoding, e.object, e.start, e.end, reason) from e