From d5188161f5fd90c597ab63439f7a01fe7dcf99a1 Mon Sep 17 00:00:00 2001
From: Christian Helmuth <christian.helmuth@genode-labs.com>
Date: Thu, 14 Dec 2023 15:12:22 +0100
Subject: [PATCH] util/string.h: add Const_byte_range_ptr::contains()

Issue #5078
---
 repos/base/include/util/string.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/repos/base/include/util/string.h b/repos/base/include/util/string.h
index 071bbe28c3..b0e1f074dc 100644
--- a/repos/base/include/util/string.h
+++ b/repos/base/include/util/string.h
@@ -97,6 +97,16 @@ struct Genode::Const_byte_range_ptr : Noncopyable
 		size_t       const num_bytes;
 	};
 
+	bool contains(char const *ptr) const
+	{
+		return (ptr >= start) && (ptr <= start + num_bytes - 1);
+	}
+
+	bool contains(void const *ptr) const
+	{
+		return contains((char const *)ptr);
+	}
+
 	Const_byte_range_ptr(char const *start, size_t num_bytes)
 	: start(start), num_bytes(num_bytes) { }
 };