3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*************************************************************************\
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* Copyright (c) 2009 UChicago Argonne LLC, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* SPDX-License-Identifier: EPICS
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* EPICS BASE is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/**
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* \file dbDefs.h
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* \author Marty Kraimer
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*
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* \brief Miscellaneous macro definitions.
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*
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* This file defines several miscellaneous macros.
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*/
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#ifndef INC_dbDefs_H
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#define INC_dbDefs_H
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#include <stddef.h>
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#ifdef TRUE
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# undef TRUE
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#endif
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#define TRUE 1
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#ifdef FALSE
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# undef FALSE
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#endif
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#define FALSE 0
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/** \brief Deprecated synonym for \c static */
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#ifndef LOCAL
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# define LOCAL static
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#endif
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/** \brief Number of elements in array */
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#ifndef NELEMENTS
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# define NELEMENTS(array) (sizeof (array) / sizeof ((array) [0]))
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#endif
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/** \brief Deprecated synonym for \c offsetof */
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#ifndef OFFSET
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# define OFFSET(structure, member) offsetof(structure, member)
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#endif
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/** \brief Find parent object from a member pointer
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*
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* Subtracts the byte offset of the member in the structure from the
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* pointer to the member itself, giving a pointer to parent strucure.
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* \param ptr Pointer to a member data field of a structure
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* \param structure Type name of the parent structure
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* \param member Field name of the data member
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* \return Pointer to the parent structure
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* \note Both GCC and Clang will type-check this macro.
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*/
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#ifndef CONTAINER
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# ifdef __GNUC__
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# define CONTAINER(ptr, structure, member) ({ \
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const __typeof(((structure*)0)->member) *_ptr = (ptr); \
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(structure*)((char*)_ptr - offsetof(structure, member)); \
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})
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# else
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# define CONTAINER(ptr, structure, member) \
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((structure*)((char*)(ptr) - offsetof(structure, member)))
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# endif
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#endif
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/** \brief Size of a record name including the nil terminator */
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#define PVNAME_STRINGSZ 61
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/** \brief Size of a record name without the nil terminator */
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#define PVNAME_SZ (PVNAME_STRINGSZ - 1)
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/** \brief Buffer size for the string representation of a DBF_*LINK field
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*/
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#define PVLINK_STRINGSZ 1024
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/** \brief dbAccess enums/menus can have up to this many choices */
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#define DB_MAX_CHOICES 30
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#endif /* INC_dbDefs_H */
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