Resguardo inicial

linux-7.2.3/tools/net/sunrpc/xdrgen/templates/C/enum/decoder/enum.j2

@@ -0,0 +1,30 @@
+{# SPDX-License-Identifier: GPL-2.0 #}
+
+{% if annotate %}
+/* enum {{ name }} */
+{% endif %}
+{% if name in public_apis %}
+bool
+{% else %}
+static bool __maybe_unused
+{% endif %}
+xdrgen_decode_{{ name }}(struct xdr_stream *xdr, {{ name }} *ptr)
+{
+	u32 val;
+
+	if (xdr_stream_decode_u32(xdr, &val) < 0)
+		return false;
+{% if validate and enumerators %}
+	/* Compiler may optimize to a range check for dense enums */
+	switch (val) {
+{% for e in enumerators %}
+	case {{ e.name }}:
+{% endfor %}
+		break;
+	default:
+		return false;
+	}
+{% endif %}
+	*ptr = val;
+	return true;
+}

linux-7.2.3/tools/net/sunrpc/xdrgen/templates/C/enum/decoder/enum_be.j2

@@ -0,0 +1,34 @@
+{# SPDX-License-Identifier: GPL-2.0 #}
+
+{% if annotate %}
+/* enum {{ name }} (big-endian) */
+{% endif %}
+{% if name in public_apis %}
+bool
+{% else %}
+static bool __maybe_unused
+{% endif %}
+xdrgen_decode_{{ name }}(struct xdr_stream *xdr, {{ name }} *ptr)
+{
+{% if validate and enumerators %}
+	__be32 raw;
+	u32 val;
+
+	if (xdr_stream_decode_be32(xdr, &raw) < 0)
+		return false;
+	val = be32_to_cpu(raw);
+	/* Compiler may optimize to a range check for dense enums */
+	switch (val) {
+{% for e in enumerators %}
+	case {{ e.name }}:
+{% endfor %}
+		break;
+	default:
+		return false;
+	}
+	*ptr = raw;
+	return true;
+{% else %}
+	return xdr_stream_decode_be32(xdr, ptr) == 0;
+{% endif %}
+}