Even more cleanups. Also renamed hdd/ to disk/ as that makes more sense. Machines with an Internal HDC (usually IDE) can now also select an alternative one instead.

src/disk/hdd.c

@@ -0,0 +1,39 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		This file is part of the 86Box distribution.
+ *
+ *		Common code to handle all sorts of hard disk images.
+ *
+ * Version:	@(#)hdd.c	1.0.2	2017/09/30
+ *
+ * Authors:	Miran Grca, <mgrca8@gmail.com>
+ *		Fred N. van Kempen, <decwiz@yahoo.com>
+ *		Copyright 2016,2017 Miran Grca.
+ *		Copyright 2017 Fred N. van Kempen.
+ */
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <wchar.h>
+#include "../ibm.h"
+#include "../cpu/cpu.h"
+#include "../device.h"
+#include "../machine/machine.h"
+#include "hdd.h"
+
+
+hard_disk_t	hdd[HDD_NUM];
+
+
+int
+hdd_init(void)
+{
+    /* Clear all global data. */
+    memset(hdd, 0x00, sizeof(hdd));
+
+    return(0);
+}