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https://github.com/rsyslog/rsyslog.git
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7bfa03bdc0
... hopefully reducing the number of allocs/frees as well as overall memory usage in a busy system (plus that these shared properties hopefully remain in cache longer than its single-instance counterparts...)
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* The prop object.
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*
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* This implements props within rsyslog.
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*
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* Copyright 2009 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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* The rsyslog runtime library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* The rsyslog runtime library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
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*/
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#ifndef INCLUDED_PROP_H
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#define INCLUDED_PROP_H
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/* the prop object */
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struct prop_s {
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BEGINobjInstance; /* Data to implement generic object - MUST be the first data element! */
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int iRefCount; /* reference counter */
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union {
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uchar *psz; /* stored string */
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uchar sz[CONF_PROP_BUFSIZE];
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} szVal;
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int len; /* we use int intentionally, otherwise we may get some troubles... */
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};
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/* interfaces */
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BEGINinterface(prop) /* name must also be changed in ENDinterface macro! */
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INTERFACEObjDebugPrint(prop);
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rsRetVal (*Construct)(prop_t **ppThis);
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rsRetVal (*ConstructFinalize)(prop_t *pThis);
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rsRetVal (*Destruct)(prop_t **ppThis);
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rsRetVal (*SetString)(prop_t *pThis, uchar* psz, int len);
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rsRetVal (*GetString)(prop_t *pThis, uchar** ppsz, int *plen);
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int (*GetStringLen)(prop_t *pThis);
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rsRetVal (*AddRef)(prop_t *pThis);
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rsRetVal (*CreateStringProp)(prop_t **ppThis, uchar* psz, int len);
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rsRetVal (*CreateOrReuseStringProp)(prop_t **ppThis, uchar *psz, int len);
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ENDinterface(prop)
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#define propCURR_IF_VERSION 1 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(prop);
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#endif /* #ifndef INCLUDED_PROP_H */
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