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#ident "@(#) $Id: pglargeobject.h,v 1.3 2001/10/13 20:40:35 ballie01 Exp $"
#ifndef Pg_LARGEOBJECT_H
#define Pg_LARGEOBJECT_H
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************\
| Copyright 2001 by Billy G. Allie |
| All rights Reserved. |
| |
| Permission to use, copy, modify, and distribute this software and its |
| documentation for any purpose and without fee is hereby granted, pro- |
| vided that the above copyright notice appear in all copies and that |
| both that copyright notice and this permission notice appear in sup- |
| porting documentation, and that the copyright owner's name not be |
| used in advertising or publicity pertaining to distribution of the |
| software without specific, written prior permission. |
| |
| THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN |
| NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS |
| OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE |
| OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE |
| USE OR PERFORMANCE OF THIS SOFTWARE. |
\***********************************************************************/
/* pyPgSQL large object interface */
/***********************************************************************\
| PgLargeObject defines the PostgreSQL large object (lo) type. |
\***********************************************************************/
/***************************************\
| PgLargeObject object definition |
\***************************************/
typedef struct
{
PyObject_HEAD
/* These are the public members */
PyObject *lo_name; /* The name for this LO. */
PyObject *lo_mname; /* The mode as text ('r', 'w', etc.) */
PyObject *lo_closed; /* Flag: 0 => opened, 1 => closed. */
int lo_softspace; /* Softspace flag for this LO. */
/* These are the private members. */
PgConnection *lo_conn; /* Connection object for this large obj.*/
Oid lo_oid; /* The OID of this large object (LO). */
int lo_fd; /* File descriptor for the LO. */
int lo_mode; /* Read/write mode for the LO. */
int lo_dirty; /* Flag: !0 := buffer written to. */
int lo_offset; /* Location in LO for the buffer. */
char *lo_buf; /* Buffer for this LO. */
int lo_size; /* Bytes read/written into buffer. */
int lo_idx; /* Next byte to read from buffer. */
int need_commit; /* Flag: !0 := commit needed on close. */
} PgLargeObject;
extern PyTypeObject PgLargeObject_Type;
#define PgLargeObject_Check(op) ((op)->ob_type == &PgLargeObject_Type)
extern PyObject *PgLargeObject_New(PyObject *, Oid, int);
/***********************************************************************\
| initpgversion MUST be called in the initialzation code of the module |
| using the PgVersion type. |
\***********************************************************************/
extern void initpglargeobject(void);
#ifdef __cplusplus
}
#endif
#endif /* !Pg_LARGEOBJECT_H */
|
