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annotate src/vbuf.h @ 178:b4d1a35bf4ab

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Added tag stable-0-6-35 for changeset 59bd93d02feb
author Carl Byington <carl@five-ten-sg.com>
date Wed, 08 Apr 2009 15:31:51 -0700
parents ac6e22c8a9cf
children b65e8d0a088a
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1 /* vbuf.h - variable length buffer functions
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2 *
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3 * Functions that try to make dealing with buffers easier.
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4 *
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5 * vbuf
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6 *
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7 * vstr
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8 * - should always contain a valid string
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9 *
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10 */
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11
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12 #ifndef VBUF_H
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13 #define VBUF_H
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15 #include "common.h"
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17 #define SZ_MAX 4096
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18 /***************************************************/
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21 // Variable-length buffers
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22 struct varbuf {
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23 size_t dlen; //length of data stored in buffer
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24 size_t blen; //length of buffer
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25 char *buf; //buffer
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26 char *b; //start of stored data
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27 };
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30 // The exact same thing as a varbuf but should always contain at least '\0'
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31 struct varstr {
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32 size_t dlen; //length of data stored in buffer
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33 size_t blen; //length of buffer
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34 char *buf; //buffer
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35 char *b; //start of stored data
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36 };
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39 typedef struct varbuf vbuf;
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40 typedef struct varstr vstr;
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42 #define VBUF_STATIC(x,y) static vbuf *x = NULL; if(!x) x = pst_vballoc(y);
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43 #define VSTR_STATIC(x,y) static vstr *x = NULL; if(!x) x = pst_vsalloc(y);
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45 vbuf *pst_vballoc(size_t len);
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46 void pst_vbgrow(vbuf *vb, size_t len); // grow buffer by len bytes, data are preserved
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47 void pst_vbset(vbuf *vb, void *data, size_t len);
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48 void pst_vbappend(vbuf *vb, void *data, size_t length);
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49 void pst_unicode_init();
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50 size_t pst_vb_utf16to8(vbuf *dest, const char *inbuf, int iblen);
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51 size_t pst_vb_utf8to8bit(vbuf *dest, const char *inbuf, int iblen, const char* charset);
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52 size_t pst_vb_8bit2utf8(vbuf *dest, const char *inbuf, int iblen, const char* charset);
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55 #endif // VBUF_H