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annotate lib/linebuffer.h @ 2594:6b6374f18593

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author Jim Meyering <jim@meyering.net>
date Fri, 16 Jun 2000 12:51:33 +0000
parents 8cac4427bbda
children 5994c6f939c5
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1 /* linebuffer.h -- declarations for reading arbitrarily long lines
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2 Copyright (C) 1986, 1991, 1998, 1999 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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18 #if !defined LINEBUFFER_H
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19 # define LINEBUFFER_H
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20
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21 /* A `struct linebuffer' holds a line of text. */
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23 struct linebuffer
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24 {
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25 size_t size; /* Allocated. */
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26 size_t length; /* Used. */
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27 char *buffer;
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28 };
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29
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30 # ifndef PARAMS
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31 # if defined PROTOTYPES || (defined __STDC__ && __STDC__)
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32 # define PARAMS(Args) Args
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33 # else
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34 # define PARAMS(Args) ()
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35 # endif
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36 # endif
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37
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38 /* Initialize linebuffer LINEBUFFER for use. */
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39 void initbuffer PARAMS ((struct linebuffer *linebuffer));
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41 /* Read an arbitrarily long line of text from STREAM into LINEBUFFER.
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42 Keep the newline; append a newline if it's the last line of a file
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43 that ends in a non-newline character. Do not null terminate.
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44 Return LINEBUFFER, except at end of file return 0. */
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45 struct linebuffer *readline PARAMS ((struct linebuffer *linebuffer,
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46 FILE *stream));
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48 /* Free linebuffer LINEBUFFER and its data, all allocated with malloc. */
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49 void freebuffer PARAMS ((struct linebuffer *));
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51 #endif /* LINEBUFFER_H */