From 6951d2327b0f0b6999f66452d5c38d74136cdb12 Mon Sep 17 00:00:00 2001
From: Chris Young <chris@unsatisfactorysoftware.co.uk>
Date: Sat, 19 Nov 2016 15:51:24 +0000
Subject: Add memory.c/h

---
 frontends/amiga/memory.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++
 frontends/amiga/memory.h | 32 +++++++++++++++++++++
 2 files changed, 107 insertions(+)
 create mode 100755 frontends/amiga/memory.c
 create mode 100644 frontends/amiga/memory.h

diff --git a/frontends/amiga/memory.c b/frontends/amiga/memory.c
new file mode 100755
index 000000000..a77d0cc47
--- /dev/null
+++ b/frontends/amiga/memory.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2016 Chris Young <chris@unsatisfactorysoftware.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <proto/exec.h>
+
+#include "amiga/memory.h"
+
+void *ami_misc_allocvec_clear(int size, UBYTE value)
+{
+#ifdef __amigaos4__
+	return AllocVecTags(size, AVT_ClearWithValue, value, TAG_DONE);
+#else
+	void *mem = AllocVec(size, MEMF_ANY);
+	if (mem) memset(mem, value, size);
+	return mem;
+#endif
+}
+
+APTR ami_misc_itempool_create(int size)
+{
+#ifdef __amigaos4__
+	return AllocSysObjectTags(ASOT_ITEMPOOL,
+		ASOITEM_MFlags, MEMF_PRIVATE,
+		ASOITEM_ItemSize, size,
+		ASOITEM_GCPolicy, ITEMGC_AFTERCOUNT,
+		ASOITEM_GCParameter, 100,
+		TAG_DONE);
+#else
+	return CreatePool(MEMF_ANY, 20 * size, size);
+#endif
+}
+
+void ami_misc_itempool_delete(APTR pool)
+{
+#ifdef __amigaos4__
+	FreeSysObject(ASOT_ITEMPOOL, pool);
+#else
+	DeletePool(pool);
+#endif
+}
+
+APTR ami_misc_itempool_alloc(APTR pool, int size)
+{
+#ifdef __amigaos4__
+	return ItemPoolAlloc(pool);
+#else
+	return AllocPooled(pool, size);
+#endif
+}
+
+void ami_misc_itempool_free(APTR restrict pool, APTR restrict item, int size)
+{
+#ifdef __amigaos4__
+	ItemPoolFree(pool, item);
+#else
+	FreePooled(pool, item, size);
+#endif
+}
+
diff --git a/frontends/amiga/memory.h b/frontends/amiga/memory.h
new file mode 100644
index 000000000..29a7ae111
--- /dev/null
+++ b/frontends/amiga/memory.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2016 Chris Young <chris@unsatisfactorysoftware.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef AMIGA_MEMORY_H
+#define AMIGA_MEMORY_H
+
+#include <exec/types.h>
+
+void *ami_misc_allocvec_clear(int size, UBYTE value);
+
+/* Itempool cross-compatibility */
+APTR ami_misc_itempool_create(int size);
+void ami_misc_itempool_delete(APTR pool);
+APTR ami_misc_itempool_alloc(APTR pool, int size);
+void ami_misc_itempool_free(APTR pool, APTR item, int size);
+#endif
+
-- 
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