Initial import.

1 files changed, 155 insertions, 0 deletions

diff --git a/src/SDL12/include/SDL_rwops.h b/src/SDL12/include/SDL_rwops.h
new file mode 100644
index 0000000..a450119
--- /dev/null
+++ b/src/SDL12/include/SDL_rwops.h
@@ -0,0 +1,155 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2009 Sam Lantinga
+
+    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
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+
+/** @file SDL_rwops.h
+ *  This file provides a general interface for SDL to read and write
+ *  data sources.  It can easily be extended to files, memory, etc.
+ */
+
+#ifndef _SDL_rwops_h
+#define _SDL_rwops_h
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** This is the read/write operation structure -- very basic */
+
+typedef struct SDL_RWops {
+	/** Seek to 'offset' relative to whence, one of stdio's whence values:
+	 *	SEEK_SET, SEEK_CUR, SEEK_END
+	 *  Returns the final offset in the data source.
+	 */
+	int (SDLCALL *seek)(struct SDL_RWops *context, int offset, int whence);
+
+	/** Read up to 'maxnum' objects each of size 'size' from the data
+	 *  source to the area pointed at by 'ptr'.
+	 *  Returns the number of objects read, or -1 if the read failed.
+	 */
+	int (SDLCALL *read)(struct SDL_RWops *context, void *ptr, int size, int maxnum);
+
+	/** Write exactly 'num' objects each of size 'objsize' from the area
+	 *  pointed at by 'ptr' to data source.
+	 *  Returns 'num', or -1 if the write failed.
+	 */
+	int (SDLCALL *write)(struct SDL_RWops *context, const void *ptr, int size, int num);
+
+	/** Close and free an allocated SDL_FSops structure */
+	int (SDLCALL *close)(struct SDL_RWops *context);
+
+	Uint32 type;
+	union {
+#if defined(__WIN32__) && !defined(__SYMBIAN32__)
+	    struct {
+		int   append;
+		void *h;
+		struct {
+		    void *data;
+		    int size;
+		    int left;
+		} buffer;
+	    } win32io;
+#endif
+#ifdef HAVE_STDIO_H 
+	    struct {
+		int autoclose;
+	 	FILE *fp;
+	    } stdio;
+#endif
+	    struct {
+		Uint8 *base;
+	 	Uint8 *here;
+		Uint8 *stop;
+	    } mem;
+	    struct {
+		void *data1;
+	    } unknown;
+	} hidden;
+
+} SDL_RWops;
+
+
+/** @name Functions to create SDL_RWops structures from various data sources */
+/*@{*/
+
+extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromFile(const char *file, const char *mode);
+
+#ifdef HAVE_STDIO_H
+extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromFP(FILE *fp, int autoclose);
+#endif
+
+extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromMem(void *mem, int size);
+extern DECLSPEC SDL_RWops * SDLCALL SDL_RWFromConstMem(const void *mem, int size);
+
+extern DECLSPEC SDL_RWops * SDLCALL SDL_AllocRW(void);
+extern DECLSPEC void SDLCALL SDL_FreeRW(SDL_RWops *area);
+
+/*@}*/
+
+/** @name Seek Reference Points */
+/*@{*/
+#define RW_SEEK_SET	0	/**< Seek from the beginning of data */
+#define RW_SEEK_CUR	1	/**< Seek relative to current read point */
+#define RW_SEEK_END	2	/**< Seek relative to the end of data */
+/*@}*/
+
+/** @name Macros to easily read and write from an SDL_RWops structure */
+/*@{*/
+#define SDL_RWseek(ctx, offset, whence)	(ctx)->seek(ctx, offset, whence)
+#define SDL_RWtell(ctx)			(ctx)->seek(ctx, 0, RW_SEEK_CUR)
+#define SDL_RWread(ctx, ptr, size, n)	(ctx)->read(ctx, ptr, size, n)
+#define SDL_RWwrite(ctx, ptr, size, n)	(ctx)->write(ctx, ptr, size, n)
+#define SDL_RWclose(ctx)		(ctx)->close(ctx)
+/*@}*/
+
+/** @name Read an item of the specified endianness and return in native format */
+/*@{*/
+extern DECLSPEC Uint16 SDLCALL SDL_ReadLE16(SDL_RWops *src);
+extern DECLSPEC Uint16 SDLCALL SDL_ReadBE16(SDL_RWops *src);
+extern DECLSPEC Uint32 SDLCALL SDL_ReadLE32(SDL_RWops *src);
+extern DECLSPEC Uint32 SDLCALL SDL_ReadBE32(SDL_RWops *src);
+extern DECLSPEC Uint64 SDLCALL SDL_ReadLE64(SDL_RWops *src);
+extern DECLSPEC Uint64 SDLCALL SDL_ReadBE64(SDL_RWops *src);
+/*@}*/
+
+/** @name Write an item of native format to the specified endianness */
+/*@{*/
+extern DECLSPEC int SDLCALL SDL_WriteLE16(SDL_RWops *dst, Uint16 value);
+extern DECLSPEC int SDLCALL SDL_WriteBE16(SDL_RWops *dst, Uint16 value);
+extern DECLSPEC int SDLCALL SDL_WriteLE32(SDL_RWops *dst, Uint32 value);
+extern DECLSPEC int SDLCALL SDL_WriteBE32(SDL_RWops *dst, Uint32 value);
+extern DECLSPEC int SDLCALL SDL_WriteLE64(SDL_RWops *dst, Uint64 value);
+extern DECLSPEC int SDLCALL SDL_WriteBE64(SDL_RWops *dst, Uint64 value);
+/*@}*/
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_rwops_h */