80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/*-------------------------------------------------------------------------
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*
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* libpq.h
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* POSTGRES LIBPQ buffer structure definitions.
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*
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: libpq.h,v 1.39 2000/07/08 03:04:30 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef LIBPQ_H
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#define LIBPQ_H
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#include <sys/types.h>
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#include <netinet/in.h>
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#include "lib/stringinfo.h"
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#include "libpq/libpq-be.h"
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/* ----------------
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* PQArgBlock
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* Information (pointer to array of this structure) required
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* for the PQfn() call. (This probably ought to go somewhere else...)
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* ----------------
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*/
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typedef struct
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{
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int len;
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int isint;
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union
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{
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int *ptr; /* can't use void (dec compiler barfs) */
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int integer;
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} u;
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} PQArgBlock;
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/*
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* PQerrormsg[] is used only for error messages generated within backend
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* libpq, none of which are remarkably long. Note that this length should
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* NOT be taken as any indication of the maximum error message length that
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* the backend can create! elog() can in fact produce extremely long messages.
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*/
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#define PQERRORMSG_LENGTH 1024
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extern char PQerrormsg[PQERRORMSG_LENGTH]; /* in libpq/util.c */
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/*
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* External functions.
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*/
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/*
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* prototypes for functions in pqcomm.c
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*/
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extern int StreamServerPort(int family, unsigned short portName, int *fdP);
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extern int StreamConnection(int server_fd, Port *port);
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extern void StreamClose(int sock);
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extern void pq_init(void);
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extern void pq_close(void);
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extern int pq_getbytes(char *s, size_t len);
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extern int pq_getstring(StringInfo s);
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extern int pq_peekbyte(void);
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extern int pq_putbytes(const char *s, size_t len);
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extern int pq_flush(void);
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extern int pq_putmessage(char msgtype, const char *s, size_t len);
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extern void pq_startcopyout(void);
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extern void pq_endcopyout(bool errorAbort);
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/*
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* prototypes for functions in util.c
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*/
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extern void pqdebug(char *fmt, char *msg);
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extern void PQtrace(void);
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extern void PQuntrace(void);
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#endif /* LIBPQ_H */
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