vbuf.h

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#ifndef __PST_VBUF_H
#define __PST_VBUF_H

#include "common.h"


// Variable-length buffers
struct pst_varbuf {
    size_t dlen;    //length of data stored in buffer
    size_t blen;    //length of buffer
    char *buf;      //buffer
    char *b;        //start of stored data
};


typedef struct pst_varbuf pst_vbuf;

pst_vbuf  *pst_vballoc(size_t len);
void       pst_vbgrow(pst_vbuf *vb, size_t len);    // grow buffer by len bytes, data are preserved
void       pst_vbset(pst_vbuf *vb, void *data, size_t len);
void       pst_vbappend(pst_vbuf *vb, void *data, size_t length);
void       pst_unicode_init();
size_t     pst_vb_utf16to8(pst_vbuf *dest, const char *inbuf, int iblen);
size_t     pst_vb_utf8to8bit(pst_vbuf *dest, const char *inbuf, int iblen, const char* charset);
size_t     pst_vb_8bit2utf8(pst_vbuf *dest, const char *inbuf, int iblen, const char* charset);


#endif