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#ident "@(#) $Id: pgboolean.h,v 1.4 2001/08/24 22:26:00 ballie01 Exp $"
#ifndef Pg_BOOLEAN_H
#define Pg_BOOLEAN_H
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************\
| Copyright 2000 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. |
\***********************************************************************/
/* PostgreSQL boolean object interface */
/***********************************************************************\
| PgBooleanObject represents a PostgreSQL boolean value. This is an |
| immutable object; a PostgreSQL boolean object cannot change its value |
| after it's creation. |
| |
| There are functions to create new boolean objects, and to test an ob- |
| ject's validity. |
| |
| The type PgBooleanObject is exposed here so we can declare |
| _Pg_TrueStruct and _Pg_FalseStruct below; don't use this definition. |
\***********************************************************************/
typedef struct { /* DO NOT USE THIS DEFINITION */
PyObject_HEAD /* DO NOT USE THIS DEFINITION */
long ob_ival; /* DO NOT USE THIS DEFINITION */
} PgBooleanObject; /* DO NOT USE THIS DEFINITION */
extern PyTypeObject PgBoolean_Type;
#define PgBoolean_Check(op) ((op)->ob_type == &PgBoolean_Type)
extern PyObject* PgBoolean_FromString(char*);
extern PyObject* PgBoolean_FromLong(long);
/***********************************************************************\
| Pg_False and Pg_True are special. All values of type PGboolean must |
| point to either of these. |
| |
| Don't forget to apply Py_INCREF() when returning True or False!!! |
\***********************************************************************/
/* Don't use these directly */
extern PgBooleanObject _Pg_FalseStruct, _Pg_TrueStruct;
#define Pg_False ((PyObject *)&_Pg_FalseStruct)
#define Pg_True ((PyObject *)&_Pg_TrueStruct)
/***********************************************************************\
| initpgboolean MUST be called in the initialzation code of the module |
| using the PgBoolean type. |
\***********************************************************************/
extern void initpgboolean(void);
#ifdef __cplusplus
}
#endif
#endif /* !Pg_BOOLEAN_H */
|
