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comparison src/vbuf.h @ 182:b65e8d0a088a

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more cleanup on external names in the shared object file
author Carl Byington <carl@five-ten-sg.com>
date Mon, 13 Apr 2009 11:39:33 -0700
parents ac6e22c8a9cf
children
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181:3b04745ff76d 182:b65e8d0a088a
1 /* vbuf.h - variable length buffer functions
2 *
3 * Functions that try to make dealing with buffers easier.
4 *
5 * vbuf
6 *
7 * vstr
8 * - should always contain a valid string
9 *
10 */
11 1
12 #ifndef VBUF_H 2 #ifndef __PST_VBUF_H
13 #define VBUF_H 3 #define __PST_VBUF_H
14 4
15 #include "common.h" 5 #include "common.h"
16 6
17 #define SZ_MAX 4096
18 /***************************************************/
19
20 7
21 // Variable-length buffers 8 // Variable-length buffers
22 struct varbuf { 9 struct pst_varbuf {
23 size_t dlen; //length of data stored in buffer 10 size_t dlen; //length of data stored in buffer
24 size_t blen; //length of buffer 11 size_t blen; //length of buffer
25 char *buf; //buffer 12 char *buf; //buffer
26 char *b; //start of stored data 13 char *b; //start of stored data
27 }; 14 };
28 15
29 16
30 // The exact same thing as a varbuf but should always contain at least '\0' 17 typedef struct pst_varbuf pst_vbuf;
31 struct varstr { 18
32 size_t dlen; //length of data stored in buffer 19 pst_vbuf *pst_vballoc(size_t len);
33 size_t blen; //length of buffer 20 void pst_vbgrow(pst_vbuf *vb, size_t len); // grow buffer by len bytes, data are preserved
34 char *buf; //buffer 21 void pst_vbset(pst_vbuf *vb, void *data, size_t len);
35 char *b; //start of stored data 22 void pst_vbappend(pst_vbuf *vb, void *data, size_t length);
36 }; 23 void pst_unicode_init();
24 size_t pst_vb_utf16to8(pst_vbuf *dest, const char *inbuf, int iblen);
25 size_t pst_vb_utf8to8bit(pst_vbuf *dest, const char *inbuf, int iblen, const char* charset);
26 size_t pst_vb_8bit2utf8(pst_vbuf *dest, const char *inbuf, int iblen, const char* charset);
37 27
38 28
39 typedef struct varbuf vbuf; 29 #endif
40 typedef struct varstr vstr;
41
42 #define VBUF_STATIC(x,y) static vbuf *x = NULL; if(!x) x = pst_vballoc(y);
43 #define VSTR_STATIC(x,y) static vstr *x = NULL; if(!x) x = pst_vsalloc(y);
44
45 vbuf *pst_vballoc(size_t len);
46 void pst_vbgrow(vbuf *vb, size_t len); // grow buffer by len bytes, data are preserved
47 void pst_vbset(vbuf *vb, void *data, size_t len);
48 void pst_vbappend(vbuf *vb, void *data, size_t length);
49 void pst_unicode_init();
50 size_t pst_vb_utf16to8(vbuf *dest, const char *inbuf, int iblen);
51 size_t pst_vb_utf8to8bit(vbuf *dest, const char *inbuf, int iblen, const char* charset);
52 size_t pst_vb_8bit2utf8(vbuf *dest, const char *inbuf, int iblen, const char* charset);
53
54
55 #endif // VBUF_H