src/include/libpq/pqformat.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * pqformat.h
   4  *              Definitions for formatting and parsing frontend/backend messages
   5  *
   6  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
   7  * Portions Copyright (c) 1994, Regents of the University of California
   8  *
   9  * $PostgreSQL$
  10  *
  11  *-------------------------------------------------------------------------
  12  */
  13 #ifndef PQFORMAT_H
  14 #define PQFORMAT_H
  15
  16 #include "lib/stringinfo.h"
  17
  18 extern void pq_beginmessage(StringInfo buf, char msgtype);
  19 extern void pq_sendbyte(StringInfo buf, int byt);
  20 extern void pq_sendbytes(StringInfo buf, const char *data, int datalen);
  21 extern void pq_sendcountedtext(StringInfo buf, const char *str, int slen,
  22                                    bool countincludesself);
  23 extern void pq_sendtext(StringInfo buf, const char *str, int slen);
  24 extern void pq_sendstring(StringInfo buf, const char *str);
  25 extern void pq_sendint(StringInfo buf, int i, int b);
  26 extern void pq_sendint64(StringInfo buf, int64 i);
  27 extern void pq_sendfloat4(StringInfo buf, float4 f);
  28 extern void pq_sendfloat8(StringInfo buf, float8 f);
  29 extern void pq_endmessage(StringInfo buf);
  30
  31 extern void pq_begintypsend(StringInfo buf);
  32 extern bytea *pq_endtypsend(StringInfo buf);
  33
  34 extern void pq_puttextmessage(char msgtype, const char *str);
  35 extern void pq_putemptymessage(char msgtype);
  36
  37 extern int      pq_getmsgbyte(StringInfo msg);
  38 extern unsigned int pq_getmsgint(StringInfo msg, int b);
  39 extern int64 pq_getmsgint64(StringInfo msg);
  40 extern float4 pq_getmsgfloat4(StringInfo msg);
  41 extern float8 pq_getmsgfloat8(StringInfo msg);
  42 extern const char *pq_getmsgbytes(StringInfo msg, int datalen);
  43 extern void pq_copymsgbytes(StringInfo msg, char *buf, int datalen);
  44 extern char *pq_getmsgtext(StringInfo msg, int rawbytes, int *nbytes);
  45 extern const char *pq_getmsgstring(StringInfo msg);
  46 extern void pq_getmsgend(StringInfo msg);
  47
  48 #endif   /* PQFORMAT_H */