From 0f544af89a63a9aac6ddc3d57e093fa6c91fcb49 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Mon, 19 Nov 2018 09:00:32 -0500
Subject: [PATCH] kernel/shared_memory: Add a const qualified member function
 overload for GetPointer()

Given this doesn't mutate instance state, we can provide a
const-qualified variant as well.
---
 src/core/hle/kernel/shared_memory.cpp | 7 +++++++
 src/core/hle/kernel/shared_memory.h   | 9 ++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/core/hle/kernel/shared_memory.cpp b/src/core/hle/kernel/shared_memory.cpp
index eec74bfde..92d6985c3 100644
--- a/src/core/hle/kernel/shared_memory.cpp
+++ b/src/core/hle/kernel/shared_memory.cpp
@@ -196,4 +196,11 @@ u8* SharedMemory::GetPointer(u32 offset) {
     return backing_blocks[0].first + offset;
 }
 
+const u8* SharedMemory::GetPointer(u32 offset) const {
+    if (backing_blocks.size() != 1) {
+        LOG_WARNING(Kernel, "Unsafe GetPointer on discontinuous SharedMemory");
+    }
+    return backing_blocks[0].first + offset;
+}
+
 } // namespace Kernel
diff --git a/src/core/hle/kernel/shared_memory.h b/src/core/hle/kernel/shared_memory.h
index 7ba45dd00..510d47631 100644
--- a/src/core/hle/kernel/shared_memory.h
+++ b/src/core/hle/kernel/shared_memory.h
@@ -66,10 +66,17 @@ public:
     /**
      * Gets a pointer to the shared memory block
      * @param offset Offset from the start of the shared memory block to get pointer
-     * @return Pointer to the shared memory block from the specified offset
+     * @return A pointer to the shared memory block from the specified offset
      */
     u8* GetPointer(u32 offset = 0);
 
+    /**
+     * Gets a constant pointer to the shared memory block
+     * @param offset Offset from the start of the shared memory block to get pointer
+     * @return A constant pointer to the shared memory block from the specified offset
+     */
+    const u8* GetPointer(u32 offset = 0) const;
+
 private:
     explicit SharedMemory(KernelSystem& kernel);
     ~SharedMemory() override;