4 * This file is part of BeRTOS.
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14 * GNU General Public License for more details.
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
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29 * Copyright 2009 Develer S.r.l. (http://www.develer.com/)
33 * \brief KFile interface over a memory buffer.
35 * Convenient way to access a memory region using the KFile interface.
38 * \author Francesco Sacchi <batt@develer.com>
40 * $WIZ$ module_name = "kfilemem"
41 * $WIZ$ module_depends = "kfile"
44 #ifndef STRUCT_KFILE_MEM
45 #define STRUCT_KFILE_MEM
50 * Context for KFile over memory buffer.
52 typedef struct KFileMem
54 KFile fd; ///< KFile base class
55 void *mem; ///< Pointer to the memory buffer used.
61 #define KFT_KFILEMEM MAKE_ID('M', 'E', 'M', '0')
64 * Convert + ASSERT from generic KFile to KFileMem.
66 INLINE KFileMem * KFILEMEM_CAST(KFile *fd)
68 ASSERT(fd->_type == KFT_KFILEMEM);
69 return (KFileMem *)fd;
73 * Initialize KFileMem struct.
75 * \param km Interface to initialize.
76 * \param mem Pointer to the memory buffer to operate on.
77 * \param len Size of the buffer
79 void kfilemem_init(KFileMem *km, void *mem, size_t len);
81 #endif /* STRUCT_KFILE_MEM */