From 0aa7d4b2c4fb428b526133dadb94d0626a8d9e91 Mon Sep 17 00:00:00 2001
From: James Benton <james.benton2@gmail.com>
Date: Thu, 7 Jan 2016 13:20:45 +0000
Subject: [PATCH] Add memlist functions.

---
 include/coreinit/memlist.h | 62 ++++++++++++++++++++++++++++++++++++++
 rpl/libcoreinit/exports.h  | 10 ++++++
 2 files changed, 72 insertions(+)
 create mode 100644 include/coreinit/memlist.h

diff --git a/include/coreinit/memlist.h b/include/coreinit/memlist.h
new file mode 100644
index 0000000..dc4a29c
--- /dev/null
+++ b/include/coreinit/memlist.h
@@ -0,0 +1,62 @@
+#pragma once
+#include <wut.h>
+
+WUT_LIB_HEADER_START
+
+struct MEMMemoryLink
+{
+   void *prev;
+   void *next;
+};
+
+CHECK_OFFSET(MemoryLink, 0x0, prev);
+CHECK_OFFSET(MemoryLink, 0x4, next);
+CHECK_SIZE(MemoryLink, 0x8);
+
+struct MEMMemoryList
+{
+   void *head;
+   void *tail;
+   uint16_t count;
+   uint16_t offsetToMemoryLink;
+};
+CHECK_OFFSET(MEMMemoryList, 0x0, head);
+CHECK_OFFSET(MEMMemoryList, 0x4, tail);
+CHECK_OFFSET(MEMMemoryList, 0x8, count);
+CHECK_OFFSET(MEMMemoryList, 0xa, offsetToMemoryLink);
+CHECK_SIZE(MEMMemoryList, 0xc);
+
+void
+MEMInitList(MEMMemoryList *list,
+            uint16_t offsetToMemoryLink);
+
+void
+MEMAppendListObject(MEMMemoryList *list,
+                    void *object);
+
+void
+MEMPrependListObject(MEMMemoryList *list,
+                     void *object);
+
+void
+MEMInsertListObject(MEMMemoryList *list,
+                    void *before,
+                    void *object);
+
+void
+MEMRemoveListObject(MEMMemoryList *list,
+                    void *object);
+
+void *
+MEMGetNextListObject(MEMMemoryList *list,
+                     void *object);
+
+void *
+MEMGetPrevListObject(MEMMemoryList *list,
+                     void *object);
+
+void *
+MEMGetNthListObject(MEMMEMMemoryList *list,
+                    uint16_t n);
+
+WUT_LIB_HEADER_END
diff --git a/rpl/libcoreinit/exports.h b/rpl/libcoreinit/exports.h
index 7eefcdf..17ac2ae 100644
--- a/rpl/libcoreinit/exports.h
+++ b/rpl/libcoreinit/exports.h
@@ -127,6 +127,16 @@ EXPORT(MEMResizeForMBlockFrmHeap);
 EXPORT(MEMGetAllocatableSizeForFrmHeap);
 EXPORT(MEMGetAllocatableSizeForFrmHeapEx);
 
+// coreinit/memlist.h
+EXPORT(MEMInitList);
+EXPORT(MEMAppendListObject);
+EXPORT(MEMPrependListObject);
+EXPORT(MEMInsertListObject);
+EXPORT(MEMRemoveListObject);
+EXPORT(MEMGetNextListObject);
+EXPORT(MEMGetPrevListObject);
+EXPORT(MEMGetNthListObject);
+
 // coreinit/mutex.h
 EXPORT(OSInitMutex);
 EXPORT(OSInitMutexEx);