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530fa19672
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@295 d0cd1f9f-072b-0410-8dd7-cf729c803f20
47 lines
2.0 KiB
C
Executable File
47 lines
2.0 KiB
C
Executable File
/*====================================================================*
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- Copyright (C) 2001 Leptonica. All rights reserved.
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- This software is distributed in the hope that it will be
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- useful, but with NO WARRANTY OF ANY KIND.
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- No author or distributor accepts responsibility to anyone for the
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- consequences of using this software, or for whether it serves any
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- particular purpose or works at all, unless he or she says so in
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- writing. Everyone is granted permission to copy, modify and
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- redistribute this source code, for commercial or non-commercial
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- purposes, with the following restrictions: (1) the origin of this
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- source code must not be misrepresented; (2) modified versions must
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- be plainly marked as such; and (3) this notice may not be removed
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- or altered from any source or modified source distribution.
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*====================================================================*/
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#ifndef LEPTONICA_BBUFFER_H
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#define LEPTONICA_BBUFFER_H
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/*
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* bbuffer.h
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*
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* Expandable byte buffer for reading data in from memory and
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* writing data out to other memory.
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*
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* This implements a queue of bytes, so data read in is put
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* on the "back" of the queue (i.e., the end of the byte array)
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* and data written out is taken from the "front" of the queue
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* (i.e., from an index marker "nwritten" that is initially set at
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* the beginning of the array.) As usual with expandable
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* arrays, we keep the size of the allocated array and the
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* number of bytes that have been read into the array.
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*
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* For implementation details, see bbuffer.c.
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*/
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struct ByteBuffer
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{
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l_int32 nalloc; /* size of allocated byte array */
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l_int32 n; /* number of bytes read into to the array */
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l_int32 nwritten; /* number of bytes written from the array */
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l_uint8 *array; /* byte array */
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};
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typedef struct ByteBuffer BBUFFER;
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#endif /* LEPTONICA_BBUFFER_H */
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