91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/****************************************************************************
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* apps/system/hexed/inlcude/bfile.h
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* Buffered file control header
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*
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* Copyright (c) 2010, B.ZaaR, All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* The names of contributors may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_SYSTEM_HEXED_INCLUDE_BFILE_H
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#define __APPS_SYSTEM_HEXED_INCLUDE_BFILE_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Buffer size/alignment */
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#define BFILE_BUF_MIN 0x1000
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#define BFILE_BUF_ALIGN(sz) \
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((sz + BFILE_BUF_MIN - 1) / BFILE_BUF_MIN * BFILE_BUF_MIN)
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/* Buffered File flags */
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#define BFILE_FL_DIRTY 0x00000001
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* Buffered File */
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struct bfile_s
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{
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FAR FILE *fp;
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FAR char *name;
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long size;
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int flags;
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long bufsz;
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FAR char *buf;
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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long fsize(FAR FILE *fp);
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int bfflush(FAR struct bfile_s *bf);
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struct bfile_s *bfopen(FAR char *name, FAR char *mode);
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int bfclose(FAR struct bfile_s *bf);
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long bfclip(FAR struct bfile_s *bf, long off, long sz);
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long bfcopy(FAR struct bfile_s *bf, long dest, long src, long sz);
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long bfinsert(FAR struct bfile_s *bf, long off, FAR void *mem, long sz);
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long bfmove(FAR struct bfile_s *bf, long dest, long src, long sz);
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long bfread(FAR struct bfile_s *bf);
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long bftruncate(FAR struct bfile_s *bf, long sz);
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long bfwrite(FAR struct bfile_s *bf, long off, FAR void *mem, long sz);
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#endif /* __APPS_SYSTEM_HEXED_INCLUDE_BFILE_H */
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