*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: libpq-fe.h,v 1.5 1996/07/31 18:40:12 scrappy Exp $
+ * $Id: libpq-fe.h,v 1.18 1997/03/12 21:23:16 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
extern "C" {
#endif
+#include <stdio.h>
/* ----------------
* include stuff common to fe and be
* ----------------
*/
-/* #include "libpq/libpq.h" */
+#include "postgres_ext.h"
#include "libpq/pqcomm.h"
#include "lib/dllist.h"
} ExecStatusType;
/* string descriptions of the ExecStatusTypes */
-extern char* pgresStatus[];
+extern const char* pgresStatus[];
/*
* POSTGRES backend dependent Constants.
typedef struct pgresAttDesc {
char* name; /* type name */
Oid adtid; /* type id */
- int2 adtsize; /* type size */
+ short adtsize; /* type size */
} PGresAttDesc;
/* use char* for Attribute values,
For binary tuples, the first four bytes of the value is the size,
and the bytes afterwards are the value. The binary value is
not guaranteed to be null-terminated. In fact, it can have embedded nulls*/
+
+#define NULL_LEN (-1) /* pg_result len for NULL value */
+
typedef struct pgresAttValue {
int len; /* length in bytes of the value */
char *value; /* actual value */
int be_pid; /* process id of backend */
} PGnotify;
+typedef struct pgLobjfuncs {
+ Oid fn_lo_open; /* OID of backend function lo_open */
+ Oid fn_lo_close; /* OID of backend function lo_close */
+ Oid fn_lo_creat; /* OID of backend function lo_creat */
+ Oid fn_lo_unlink; /* OID of backend function lo_unlink */
+ Oid fn_lo_lseek; /* OID of backend function lo_lseek */
+ Oid fn_lo_tell; /* OID of backend function lo_tell */
+ Oid fn_lo_read; /* OID of backend function LOread */
+ Oid fn_lo_write; /* OID of backend function LOwrite */
+} PGlobjfuncs;
+
/* PGconn encapsulates a connection to the backend */
typedef struct pg_conn{
char *pghost; /* the machine on which the server is running */
void *port; /* really a Port* */
int asyncNotifyWaiting;
Dllist* notifyList;
+ char *pguser; /* Postgres username of user who is connected */
+ char *pgpass;
+ char *pgauth;
+ PGlobjfuncs *lobjfuncs; /* Backend function OID's for large object access */
} PGconn;
#define CMDSTATUS_LEN 40
PGconn* conn;
} PGresult;
+typedef char pqbool;
+ /* We can't use the conventional "bool", because we are designed to be
+ included in a user's program, and user may already have that type
+ defined. Pqbool, on the other hand, is unlikely to be used.
+ */
+
struct _PQprintOpt {
- bool header; /* print output field headings and row count */
- bool align; /* fill align the fields */
- bool standard; /* old brain dead format */
- bool html3; /* output html tables */
- bool expanded; /* expand tables */
- bool pager; /* use pager for output if needed */
+ pqbool header; /* print output field headings and row count */
+ pqbool align; /* fill align the fields */
+ pqbool standard; /* old brain dead format */
+ pqbool html3; /* output html tables */
+ pqbool expanded; /* expand tables */
+ pqbool pager; /* use pager for output if needed */
char *fieldSep; /* field separator */
char *tableOpt; /* insert to HTML <table ...> */
char *caption; /* HTML <caption> */
typedef struct _PQprintOpt PQprintOpt;
+/* ----------------
+ * Structure for the conninfo parameter definitions of PQconnectdb()
+ * ----------------
+ */
+struct _PQconninfoOption {
+ char *keyword; /* The keyword of the option */
+ char *environ; /* Fallback environment variable name */
+ char *compiled; /* Fallback compiled in default value */
+ char *val; /* Options value */
+ char *label; /* Label for field in connect dialog */
+ char *dispchar; /* Character to display for this field */
+ /* in a connect dialog. Values are: */
+ /* "" Display entered value as is */
+ /* "*" Password field - hide value */
+ /* "D" Debug options - don't */
+ /* create a field by default */
+ int dispsize; /* Field size in characters for dialog */
+};
+
+typedef struct _PQconninfoOption PQconninfoOption;
+
/* === in fe-connect.c === */
/* make a new client connection to the backend */
-extern PGconn* PQsetdb(char* pghost, char* pgport, char* pgoptions,
- char* pgtty, char* dbName);
+extern PGconn* PQconnectdb(const char* conninfo);
+extern PQconninfoOption *PQconndefaults(void);
+extern PGconn* PQsetdb(const char* pghost, const char* pgport, const char* pgoptions,
+ const char* pgtty, const char* dbName);
/* close the current connection and free the PGconn data structure */
extern void PQfinish(PGconn* conn);
/* close the current connection and restablish a new one with the same
extern void PQreset(PGconn* conn);
extern char* PQdb(PGconn* conn);
+extern char* PQuser(PGconn* conn);
extern char* PQhost(PGconn* conn);
extern char* PQoptions(PGconn* conn);
extern char* PQport(PGconn* conn);
extern void PQuntrace(PGconn *conn);
/* === in fe-exec.c === */
-extern PGresult* PQexec(PGconn* conn, char* query);
+extern PGresult* PQexec(PGconn* conn, const char* query);
extern int PQgetline(PGconn *conn, char* string, int length);
extern int PQendcopy(PGconn *conn);
-extern void PQputline(PGconn *conn, char* string);
+extern void PQputline(PGconn *conn, const char* string);
extern ExecStatusType PQresultStatus(PGresult* res);
extern int PQntuples(PGresult *res);
extern int PQnfields(PGresult *res);
extern char* PQfname(PGresult *res, int field_num);
-extern int PQfnumber(PGresult *res, char* field_name);
+extern int PQfnumber(PGresult *res, const char* field_name);
extern Oid PQftype(PGresult *res, int field_num);
-extern int2 PQfsize(PGresult *res, int field_num);
+extern short PQfsize(PGresult *res, int field_num);
extern char* PQcmdStatus(PGresult *res);
-extern char* PQoidStatus(PGresult *res);
+extern const char* PQoidStatus(PGresult *res);
extern char* PQgetvalue(PGresult *res, int tup_num, int field_num);
extern int PQgetlength(PGresult *res, int tup_num, int field_num);
+extern int PQgetisnull(PGresult *res, int tup_num, int field_num);
extern void PQclear(PGresult* res);
/* PQdisplayTuples() is a better version of PQprintTuples() */
extern void PQdisplayTuples(PGresult *res,
FILE *fp, /* where to send the output */
int fillAlign, /* pad the fields with spaces */
- char *fieldSep, /* field separator */
+ const char *fieldSep, /* field separator */
int printHeader, /* display headers? */
int quiet);
extern void PQprintTuples(PGresult* res,
int nargs);
/* === in fe-auth.c === */
extern MsgType fe_getauthsvc(char* PQerrormsg);
-extern void fe_setauthsvc(char *name, char* PQerrormsg);
+extern void fe_setauthsvc(const char *name, char* PQerrormsg);
extern char *fe_getauthname(char* PQerrormsg);
/* === in fe-misc.c === */
*/
extern int pqGets(char* s, int maxlen, FILE* stream, FILE* debug);
extern int pqGetnchar(char* s, int maxlen, FILE* stream, FILE* debug);
-extern int pqPutnchar(char* s, int maxlen, FILE* stream, FILE* debug);
-extern int pqPuts(char* s, FILE* stream, FILE* debug );
+extern int pqPutnchar(const char* s, int maxlen, FILE* stream, FILE* debug);
+extern int pqPuts(const char* s, FILE* stream, FILE* debug );
extern int pqGetc(FILE* stream, FILE *debug);
/* get a n-byte integer from the stream into result */
/* returns 0 if successful */
extern int pqGetInt(int* result, int bytes, FILE* stream, FILE *debug );
/* put a n-byte integer into the stream */
/* returns 0 if successful */
-extern int pqPutInt(int n, int bytes, FILE* stream, FILE *debug );
+extern int pqPutInt(const int n, int bytes, FILE* stream, FILE *debug );
extern void pqFlush(FILE* stream, FILE* debug);
/* === in fe-lobj.c === */
#define palloc malloc
#define pfree free
-#if defined(PORTNAME_sparc)
+#if defined(sunos4)
extern char *sys_errlist[];
#define strerror(A) (sys_errlist[(A)])
-#endif /* PORTNAME_sparc */
+#endif /* sunos4 */
#ifdef __cplusplus
};
projects / postgresql / blobdiff