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- /*
- * File : filerw.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
- *
- * Change Logs:
- * Date Author Notes
- * 2009-10-16 Bernard first version
- */
- #ifndef __RTGUI_FILERW_H__
- #define __RTGUI_FILERW_H__
- #include <rtgui/rtgui.h>
- #define RTGUI_FILE_SEEK_SET 0
- #define RTGUI_FILE_SEEK_CUR 1
- #define RTGUI_FILE_SEEK_END 2
- struct rtgui_filerw
- {
- int (*seek) (struct rtgui_filerw *context, rt_off_t offset, int whence);
- int (*read) (struct rtgui_filerw *context, void *buffer, rt_size_t size, rt_size_t count);
- int (*write)(struct rtgui_filerw *context, const void *buffer, rt_size_t size, rt_size_t count);
- int (*tell) (struct rtgui_filerw *context);
- int (*eof) (struct rtgui_filerw *context);
- int (*close)(struct rtgui_filerw *context);
- };
- typedef struct rtgui_filerw rtgui_filerw_t;
- struct rtgui_filerw* rtgui_filerw_create_file(const char* filename, const char* mode);
- struct rtgui_filerw* rtgui_filerw_create_mem(const rt_uint8_t* mem, rt_size_t size);
- int rtgui_filerw_seek (struct rtgui_filerw* context, rt_off_t offset, int whence);
- int rtgui_filerw_read (struct rtgui_filerw* context, void* buffer, rt_size_t size, rt_size_t count);
- int rtgui_filerw_write(struct rtgui_filerw* context, const void* buffer, rt_size_t size, rt_size_t count);
- int rtgui_filerw_tell (struct rtgui_filerw* context);
- int rtgui_filerw_eof (struct rtgui_filerw* context);
- int rtgui_filerw_close(struct rtgui_filerw* context);
- /* get memory data from filerw memory object */
- const rt_uint8_t* rtgui_filerw_mem_getdata(struct rtgui_filerw* context);
- #endif
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