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55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/* The vmstk object.
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*
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* Copyright 2008-2012 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of the rsyslog runtime library.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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* -or-
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* see COPYING.ASL20 in the source distribution
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef INCLUDED_VMSTK_H
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#define INCLUDED_VMSTK_H
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/* The max size of the stack - TODO: make configurable */
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#define VMSTK_SIZE 256
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/* the vmstk object */
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struct vmstk_s {
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BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
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var_t *vStk[VMSTK_SIZE];/* the actual stack */
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int iStkPtr; /* stack pointer, points to next free location, grows from 0 --> topend */
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};
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/* interfaces */
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BEGINinterface(vmstk) /* name must also be changed in ENDinterface macro! */
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INTERFACEObjDebugPrint(vmstk);
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rsRetVal (*Construct)(vmstk_t **ppThis);
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rsRetVal (*ConstructFinalize)(vmstk_t __attribute__((unused)) *pThis);
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rsRetVal (*Destruct)(vmstk_t **ppThis);
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rsRetVal (*Push)(vmstk_t *pThis, var_t *pVar);
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rsRetVal (*Pop)(vmstk_t *pThis, var_t **ppVar);
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rsRetVal (*PopBool)(vmstk_t *pThis, var_t **ppVar);
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rsRetVal (*PopNumber)(vmstk_t *pThis, var_t **ppVar);
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rsRetVal (*PopString)(vmstk_t *pThis, var_t **ppVar);
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rsRetVal (*Pop2CommOp)(vmstk_t *pThis, var_t **ppVar1, var_t **ppVar2);
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ENDinterface(vmstk)
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#define vmstkCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(vmstk);
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#endif /* #ifndef INCLUDED_VMSTK_H */
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