add file date/time listing support, closeall call

1 files changed, 23 insertions, 9 deletions

diff --git a/sftsr.h b/sftsr.h
index eb0f5ee..0e5530c 100644
--- a/sftsr.h
+++ b/sftsr.h
@@ -26,30 +26,44 @@
 #include "vbox.h"
 #include "int21dos.h"
 
-#define VERSION_MAJOR 0
-#define VERSION_MINOR 1
-
 #define LASTDRIVE     'Z'
 #define MAX_NUM_DRIVE (LASTDRIVE - 'A')
 #define NUM_DRIVES    (MAX_NUM_DRIVE + 1)
 
-typedef struct tsrdata {
+/** Maximum number of open files */
+#define NUM_FILES     40
+
+/** Directory enumeration needs an open file, this is its index. */
+#define SEARCH_DIR_FILE 0
+
+typedef struct {
+	uint32_t root;
+	uint64_t handle;
+} OPENFILE;
+
+typedef struct {
 	// TSR installation data
 	/** Previous int2f ISR, storing it for uninstall. */
 	void (__interrupt __far *prev_int2f_handler)();
+	/** Stored pointer for the DOS SDA. */
+	DOSSDA __far *dossda;
+
+	// TSR configuration
+	/** Offset (in seconds/2) of the current timezone */
+	int32_t tz_offset;
 
+	// Current status
 	/** Array of all possible DOS drives. */
 	struct {
 		/** VirtualBox "root" for this drive, or NIL if unmounted. */
 		uint32_t root;
 	} drives[NUM_DRIVES];
 
-	/** Stored pointer for the DOS SDA. */
-	DOSSDA __far *dossda;
-
-	/** Handle for the directory we are currently searching in. */
-	uint64_t search_dir_handle;
+	/** All currently open files.
+	 *  index 0 is reserved for the file opened during directory enumeration. */
+	OPENFILE files[NUM_FILES];
 
+	// VirtualBox communication
 	struct vboxcomm vb;
 	uint32_t hgcm_client_id;
 } TSRDATA;