Initial community commit

Src/nde/win/Vfs.h

@@ -0,0 +1,98 @@
+#ifndef __NDE_VFS_H
+#define __NDE_VFS_H
+
+#include <bfc/platform/types.h>
+#include <windows.h>
+
+//#define NDE_ALLOW_NONCACHED
+
+/*
+#ifdef NDE_ALLOW_NONCACHED
+  #ifndef NDE_NOWIN32FILEIO
+    #error NDE_ALLOW_NONCACHED at least for now requires NDE_NOWIN32FILEIO
+  #endif
+#endif
+*/
+
+#define VFILE_INC		65536
+
+#define VFS_READ		1
+#define VFS_WRITE		2
+#define VFS_SEEKEOF		4
+#define VFS_CREATE		8
+#define VFS_NEWCONTENT	16
+#define VFS_MUSTEXIST	32
+#if defined(NDE_ALLOW_NONCACHED)
+#include "../nu/RingBuffer.h"
+#endif
+typedef struct VFILEStruct
+{
+	void VFILE()
+	{
+		data = 0;
+		ptr = 0;
+		filesize = 0;
+		maxsize = 0;
+		filename = 0;
+		mode = 0;
+		cached = FALSE;
+		dirty = 0;
+
+	#ifdef NDE_ALLOW_NONCACHED
+	  #ifdef NDE_NOWIN32FILEIO
+		rfile = 0;
+	  #else
+		hfile = NULL;
+		endoffile = false;
+		r = 0;
+	  #endif
+	#endif
+
+		mutex = NULL;
+		locks = 0;
+	}
+
+    uint8_t *data;
+    uint32_t ptr;
+    uint32_t filesize;
+    uint32_t maxsize;
+    wchar_t *filename;
+    char mode;
+    BOOL cached;
+    int dirty;
+
+#ifdef NDE_ALLOW_NONCACHED
+  #ifdef NDE_NOWIN32FILEIO
+    FILE *rfile;
+  #else
+    HANDLE hfile;
+	bool endoffile;
+	RingBuffer r;
+  #endif
+#endif
+	HANDLE mutex;
+	int locks;
+} VFILE;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+VFILE *Vfnew(const wchar_t *filename, const char *mode, BOOL Cached);
+VFILE *Vfopen(VFILE *f, wchar_t *filename, const char *mode, BOOL Cached); // filename must be an NDE string
+size_t Vfread(void *ptr, size_t size, VFILE *buf);
+void Vfseek(VFILE *fl, uint32_t i, int whence);
+uint32_t Vftell(VFILE *fl);
+void Vfclose(VFILE *fl);
+void Vfdestroy(VFILE *fl); // benski> TODO: 
+void Vfwrite(const void *ptr, size_t size, VFILE *f);
+int Vfeof(VFILE *fl);
+int Vsync(VFILE *fl); // 1 on error updating
+int Vflock(VFILE *fl, BOOL is_sync=TRUE); // returns 0 on failure
+void Vfunlock(VFILE *fl, BOOL is_sync=TRUE);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif