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/*-------------------------------------------------------------------------
*
* libpq.h
* POSTGRES LIBPQ buffer structure definitions.
*
*
* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/libpq/libpq.h
*
*-------------------------------------------------------------------------
*/
#ifndef LIBPQ_H
#define LIBPQ_H
#include <sys/types.h>
#include <netinet/in.h>
#include "lib/stringinfo.h"
#include "libpq/libpq-be.h"
/* ----------------
* PQArgBlock
* Information (pointer to array of this structure) required
* for the PQfn() call. (This probably ought to go somewhere else...)
* ----------------
*/
typedef struct
{
int len;
int isint;
union
{
int *ptr; /* can't use void (dec compiler barfs) */
int integer;
} u;
} PQArgBlock;
/*
* External functions.
*/
/*
* prototypes for functions in pqcomm.c
*/
extern int StreamServerPort(int family, char *hostName,
unsigned short portNumber, char *unixSocketDir,
pgsocket ListenSocket[], int MaxListen);
extern int StreamConnection(pgsocket server_fd, Port *port);
extern void StreamClose(pgsocket sock);
extern void TouchSocketFiles(void);
extern void pq_init(void);
extern void pq_comm_reset(void);
extern int pq_getbytes(char *s, size_t len);
extern int pq_getstring(StringInfo s);
extern void pq_startmsgread(void);
extern void pq_endmsgread(void);
extern bool pq_is_reading_msg(void);
extern int pq_getmessage(StringInfo s, int maxlen);
extern int pq_getbyte(void);
extern int pq_peekbyte(void);
extern int pq_getbyte_if_available(unsigned char *c);
extern int pq_putbytes(const char *s, size_t len);
extern int pq_flush(void);
extern int pq_flush_if_writable(void);
extern bool pq_is_send_pending(void);
extern int pq_putmessage(char msgtype, const char *s, size_t len);
extern void pq_putmessage_noblock(char msgtype, const char *s, size_t len);
extern void pq_startcopyout(void);
extern void pq_endcopyout(bool errorAbort);
/*
* prototypes for functions in be-secure.c
*/
extern char *ssl_cert_file;
extern char *ssl_key_file;
extern char *ssl_ca_file;
extern char *ssl_crl_file;
extern int secure_initialize(void);
extern bool secure_loaded_verify_locations(void);
extern void secure_destroy(void);
extern int secure_open_server(Port *port);
extern void secure_close(Port *port);
extern ssize_t secure_read(Port *port, void *ptr, size_t len);
extern ssize_t secure_write(Port *port, void *ptr, size_t len);
#endif /* LIBPQ_H */
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