include: Add generic HeapAlloc() wrappers.

include/wine/heap.h

+/*
+ * Wine heap memory allocation wrappers
+ *
+ * Copyright 2006 Jacek Caban for CodeWeavers
+ * Copyright 2013, 2018 Michael Stefaniuc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef __WINE_WINE_HEAP_H
+#define __WINE_WINE_HEAP_H
+
+#include <windef.h>
+
+static inline void * __WINE_ALLOC_SIZE(1) heap_alloc(SIZE_T len)
+{
+    return HeapAlloc(GetProcessHeap(), 0, len);
+}
+
+static inline void * __WINE_ALLOC_SIZE(1) heap_alloc_zero(SIZE_T len)
+{
+    return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
+}
+
+static inline void * __WINE_ALLOC_SIZE(2) heap_realloc(void *mem, SIZE_T len)
+{
+    if (!mem)
+        return HeapAlloc(GetProcessHeap(), 0, len);
+    return HeapReAlloc(GetProcessHeap(), 0, mem, len);
+}
+
+static inline void heap_free(void *mem)
+{
+    HeapFree(GetProcessHeap(), 0, mem);
+}
+
+#endif  /* __WINE_WINE_HEAP_H */