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annotate buffer.h @ 1:22d7bb03e569

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for buffer: o added a new function buffer_putc(struct buffer *, char) that append the character to the end of the buffer o fix buffer_printf on BUFFER_AUTO
author David Demelier <markand@malikania.fr>
date Tue, 06 Sep 2011 17:43:59 +0200
parents a20beb164de8
children 86c845f86868
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1 /*
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2 * buffer.h -- safe unlimited size string
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3 *
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4 * Copyright (c) 2011, David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #ifndef HAVE_BUFFER_H
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20 #define HAVE_BUFFER_H
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22 #define BUFFER_DEFAULT_BSIZE 512
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24 #include <stdarg.h>
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26 struct buffer {
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27 char *data; /* string buffer */
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28 size_t length; /* string's length */
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30 #define BUFFER_AUTO 0x00000001
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31 #define BUFFER_FIXED 0x00000010
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32 int flags; /* buffer's flags (default AUTO) */
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34 /* Private should not be modified by user */
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35 size_t size; /* current size */
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36 size_t bsize; /* block size */
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37 };
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38
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39 struct buffer *buffer_new(const char *, size_t, int);
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40 #define buffer_new_auto(size) buffer_new(NULL, size, BUFFER_AUTO)
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41 #define buffer_new_fixed(max) buffer_new(NULL, max, BUFFER_FIXED)
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42
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43 int buffer_strcat(struct buffer *, const char *);
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44 int buffer_putc(struct buffer *buf, char);
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45 int buffer_bcat(struct buffer *, const void *, size_t);
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46 int buffer_vprintf(struct buffer *, const char *, va_list);
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47 int buffer_printf(struct buffer *, const char *, ...);
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48 int buffer_shrink(struct buffer *);
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49 char *buffer_end(struct buffer *);
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50 void buffer_clear(struct buffer *);
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51 void buffer_free(struct buffer *);
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52
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53 #endif /* HAVE_BUFFER_H */