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epics-base/src/libCom/arCSCheck.c
1991-07-31 18:34:55 +00:00

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/* $Id$
* Author: Roger A. Cole
* Date: 04-01-90
*
* Experimental Physics and Industrial Control System (EPICS)
*
* Copyright 1991, the Regents of the University of California,
* and the University of Chicago Board of Governors.
*
* This software was produced under U.S. Government contracts:
* (W-7405-ENG-36) at the Los Alamos National Laboratory,
* and (W-31-109-ENG-38) at Argonne National Laboratory.
*
* Initial development by:
* The Controls and Automation Group (AT-8)
* Ground Test Accelerator
* Accelerator Technology Division
* Los Alamos National Laboratory
*
* Co-developed with
* The Controls and Computing Group
* Accelerator Systems Division
* Advanced Photon Source
* Argonne National Laboratory
*
* Modification Log:
* -----------------
* .01 04-01-90 rac initial version
* .02 07-31-91 rac installed in SCCS
*
* make options
* -DvxWorks makes a version for VxWorks
* -DNDEBUG don't compile assert() checking
* -DDEBUG compile various debug code, including checks on
* malloc'd memory
*/
/*+/mod***********************************************************************
* TITLE arCSCheck.c - check assumptions about definitions in arCS.h
*
* DESCRIPTION
*
*-***************************************************************************/
#include <genDefs.h>
#include <tsDefs.h>
#include <arCS.h>
#ifndef INCLcadefh
# include <cadef.h>
#endif
#ifndef INCLdb_accessh
# include <db_access.h>
#endif
/*+/subr**********************************************************************
* NAME arCSCheck - check assumptions used by AR about the control system
*
* DESCRIPTION
*
* RETURNS
*
* BUGS
* o doesn't actually check against GTACS #define's
*
* SEE ALSO
* arCS.h
*
* EXAMPLE
*
*-*/
int
arCSCheck()
{
#ifdef NDEBUG
# define NDEBUG /* force checks even if compiled NDEBUG */
#endif
/*----------------------------------------------------------------------------
* dimensions for text strings must be multiples of 4 for proper alignment
* of structures. In addition, specific dimensions are checked for string
* types which are stored in files--changing these dimensions requires
* reformatting existing files.
*
* Just for documentation purposes, alarm severity and status are checked.
* Again, these are important because of file layout.
*---------------------------------------------------------------------------*/
assert(AR_NAME_DIM % 4 == 0);
assert(AR_NAME_DIM == 36);
assert(AR_NAME_DIM == db_name_dim);
assert(AR_STRVAL_DIM == 40);
assert(AR_STRVAL_DIM == db_strval_dim);
assert(AR_DESC_DIM % 4 == 0);
assert(AR_DESC_DIM == 24);
assert(AR_DESC_DIM == db_desc_dim);
assert(AR_UNITS_DIM % 4 == 0);
assert(AR_UNITS_DIM == 8);
assert(AR_UNITS_DIM == db_units_dim);
assert(AR_STATE_DIM == 16);
assert(AR_STATE_DIM == db_state_dim);
assert(AR_STATE_TEXT_DIM == 26);
assert(AR_STATE_TEXT_DIM == db_state_text_dim);
assert(sizeof(AR_ALM_SEV) == 1);
assert(sizeof(AR_ALM_STAT) == 1);
/*----------------------------------------------------------------------------
* check for incompatibilities between the assumptions used by AR and
* the actual sizes in the control system.
*---------------------------------------------------------------------------*/
assert(AR_STRVAL_DIM == dbr_size[DBR_STRING]);
#ifndef AR_CS_NEW_DBR
assert(2 == dbr_size[DBR_INT]);
#else
assert(2 == dbr_size[DBR_SHORT]);
#endif
assert(4 == dbr_size[DBR_FLOAT]);
/*----------------------------------------------------------------------------
* miscellaneous
*---------------------------------------------------------------------------*/
assert(4 == sizeof(long)); /* block numbers require 32 bit integer;
also important for file layout */
assert(2 == sizeof(short)); /* important for file layout */
assert(4 == sizeof(float)); /* important for file layout */
assert(1 == sizeof(char)); /* important for file layout */
assert(2 == sizeof(USHORT));/* important for file layout */
assert(4 == sizeof(ULONG)); /* important for file layout */
assert(TS_EPOCH_YEAR == 1990);/* existing file time stamps are
invalidated if epoch year changes*/
return OK;
}