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annotate mupdf-source/thirdparty/leptonica/src/bbuffer.h @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*====================================================================*
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2 - Copyright (C) 2001 Leptonica. All rights reserved.
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3 -
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4 - Redistribution and use in source and binary forms, with or without
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5 - modification, are permitted provided that the following conditions
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6 - are met:
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7 - 1. Redistributions of source code must retain the above copyright
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8 - notice, this list of conditions and the following disclaimer.
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9 - 2. Redistributions in binary form must reproduce the above
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10 - copyright notice, this list of conditions and the following
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11 - disclaimer in the documentation and/or other materials
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12 - provided with the distribution.
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13 -
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14 - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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15 - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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16 - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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17 - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
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18 - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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20 - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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21 - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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22 - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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23 - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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24 - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 *====================================================================*/
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26
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27 #ifndef LEPTONICA_BBUFFER_H
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28 #define LEPTONICA_BBUFFER_H
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30 /*!
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31 * \file bbuffer.h
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32 *
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33 * <pre>
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34 * Expandable byte buffer for reading data in from memory and
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35 * writing data out to other memory.
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36 *
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37 * This implements a queue of bytes, so data read in is put
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38 * on the "back" of the queue (i.e., the end of the byte array)
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39 * and data written out is taken from the "front" of the queue
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40 * (i.e., from an index marker "nwritten" that is initially set at
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41 * the beginning of the array.) As usual with expandable
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42 * arrays, we keep the size of the allocated array and the
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43 * number of bytes that have been read into the array.
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44 *
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45 * For implementation details, see bbuffer.c.
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46 * </pre>
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47 */
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48
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49 /*! Expandable byte buffer for memory read/write operations */
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50 struct L_ByteBuffer
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51 {
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52 l_int32 nalloc; /*!< size of allocated byte array */
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53 l_int32 n; /*!< number of bytes read into to the array */
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54 l_int32 nwritten; /*!< number of bytes written from the array */
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55 l_uint8 *array; /*!< byte array */
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56 };
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57 typedef struct L_ByteBuffer L_BBUFFER;
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58
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59
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60 #endif /* LEPTONICA_BBUFFER_H */