3d70e70640
Reverse of dbRec2Pvt() pacify -D_FORTIFY_SOURCE=3 and __builtin_object_size() as "&precord->common" does not know than common as actually the prefix of a variable sized struct.
36 lines
727 B
C
36 lines
727 B
C
#ifndef DBCOMMONPVT_H
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#define DBCOMMONPVT_H
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#include <compilerDependencies.h>
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#include <dbDefs.h>
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#include "dbCommon.h"
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struct epicsThreadOSD;
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/** Base internal additional information for every record
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*/
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typedef struct dbCommonPvt {
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struct dbRecordNode *recnode;
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/* Thread which is currently processing this record */
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struct epicsThreadOSD* procThread;
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/* actually followed by:
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* struct dbCommon common;
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*/
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} dbCommonPvt;
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static EPICS_ALWAYS_INLINE
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dbCommonPvt* dbRec2Pvt(struct dbCommon *prec)
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{
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return (dbCommonPvt*)((char*)prec - sizeof(dbCommonPvt));
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}
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static EPICS_ALWAYS_INLINE
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dbCommon* dbPvt2Rec(struct dbCommonPvt *pvt)
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{
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return (dbCommon*)&pvt[1];
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}
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#endif // DBCOMMONPVT_H
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