8
0
mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-26 10:03:03 +01:00
firebird-mirror/src/jrd/msg_encode.h
2008-12-05 00:56:15 +00:00

68 lines
2.3 KiB
C

/*
* PROGRAM: JRD Access Method
* MODULE: msg_encode.h
* DESCRIPTION: Message encoding definition file
*
* The contents of this file are subject to the Interbase Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy
* of the License at http://www.Inprise.com/IPL.html
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was created by Inprise Corporation
* and its predecessors. Portions created by Inprise Corporation are
* Copyright (C) Inprise Corporation.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#ifndef MSG_ENCODE_H
#define MSG_ENCODE_H
const ISC_STATUS ISC_MASK = 0x14000000; /* Defines the code as a valid ISC code */
const ISC_STATUS FAC_MASK = 0x00FF0000; /* Specifies the facility where the code is located */
const ISC_STATUS CODE_MASK = 0x0000FFFF; /* Specifies the code in the message file */
const ISC_STATUS CLASS_MASK = 0xF0000000; /* Defines the code as warning, error, info, or other */
/* The following definitions can be used to specify the context in
* which a status code is used.
*/
//#define CLASS_ERROR 0L /* Code represents an error */
//#define CLASS_WARNING 1L /* Code represents a warning */
//#define CLASS_INFO 2L /* Code represents an information msg */
//#define MAKE_ERROR(code) (code | (CLASS_ERROR & 0x3L) << 30)
//#define MAKE_WARNING(code) (code | (CLASS_WARNING & 0x3L) << 30)
//#define MAKE_INFO(code) (code | (CLASS_INFO & 0x3L) << 30)
/* The procedure for encoding an error message is as follows:
* Be sure to update gds.c::gds__decode if this calculation changes
* since gds__decode returns the error code, facility, and error type
* from a given error message */
inline ISC_STATUS ENCODE_ISC_MSG(ISC_STATUS code, USHORT facility)
{
return (((facility & 0x1F) << 16) | ((code & 0x3FFF) << 0) | ISC_MASK);
}
inline USHORT GET_FACILITY(ISC_STATUS code)
{
return (code & FAC_MASK) >> 16;
}
inline USHORT GET_CLASS(ISC_STATUS code)
{
return (code & CLASS_MASK) >> 30;
}
inline ISC_STATUS GET_CODE(ISC_STATUS code)
{
return (code & CODE_MASK);
}
#endif // MSG_ENCODE_H