132 lines
3.5 KiB
C
132 lines
3.5 KiB
C
/* grouteName.c -
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*
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* Maintain a translation from net number to net name.
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*
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* *********************************************************************
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* * Copyright (C) 1985, 1990 Regents of the University of California. *
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* * Permission to use, copy, modify, and distribute this *
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* * software and its documentation for any purpose and without *
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* * fee is hereby granted, provided that the above copyright *
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* * notice appear in all copies. The University of California *
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* * makes no representations about the suitability of this *
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* * software for any purpose. It is provided "as is" without *
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* * express or implied warranty. Export of this software outside *
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* * of the United States of America may require an export license. *
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* *********************************************************************
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*/
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#ifndef lint
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static char sccsid[] = "@(#)grouteName.c 4.1 MAGIC (Berkeley) 7/4/85";
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#endif /* not lint */
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#include <stdio.h>
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#include "utils/magic.h"
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#include "utils/geometry.h"
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#include "debug/debug.h"
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#include "utils/hash.h"
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#include "tiles/tile.h"
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#include "database/database.h"
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#include "gcr/gcr.h"
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#include "router/router.h"
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#include "utils/heap.h"
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#include "grouter/grouter.h"
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#include "utils/netlist.h"
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#include "textio/textio.h"
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#include "utils/malloc.h"
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#include "utils/utils.h"
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char **glNameTable;
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int glNameTableSize = 0, glNameTableUsed = 0;
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static bool glNameDidInit = FALSE;
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/*
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* ----------------------------------------------------------------------------
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*
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* glNetNameInit --
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*
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* Allocate storage for a net id to net name translation table.
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* Free any previously allocated table.
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*
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* Results:
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* None.
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*
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* Side effects:
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* Allocates and frees memory. Sets static variables.
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*
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* ----------------------------------------------------------------------------
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*/
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void
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glNetNameInit(netList, numNets)
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NLNetList *netList;
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int numNets;
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{
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NLNet *net;
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int i;
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if (glNameDidInit) /* Free the old table */
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{
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for (i = 0; i <= glNameTableSize; i++)
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if (glNameTable[i])
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freeMagic(glNameTable[i]);
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freeMagic((char *) glNameTable);
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}
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if (netList == (NLNetList *) NULL)
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{
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glNameDidInit = FALSE;
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return;
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}
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glNameTable = (char **) mallocMagic((unsigned) (numNets+1) * sizeof (char *));
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glNameTableSize = numNets;
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glNameTableUsed = 0;
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glNameTable[0] = NULL;
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glNameDidInit = TRUE;
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/* Create the table mapping back from net ids to net names */
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for (i = 0, net = netList->nnl_nets; net; net = net->nnet_next, i++)
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{
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ASSERT(i <= numNets, "glNetNameInit"); /* Sanity check */
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glNameTable[(int) net->nnet_cdata] =
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StrDup((char **) NULL, net->nnet_terms->nterm_name);
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if ((int) net->nnet_cdata > glNameTableUsed)
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glNameTableUsed = (int) net->nnet_cdata;
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}
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}
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/*
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* ----------------------------------------------------------------------------
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*
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* GlNetIdName --
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*
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* Given a net id number, return the name of a terminal associated with
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* the net.
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*
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* Results:
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* Pointer to the name of the net.
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*
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* Side effects:
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* If glNameDidInit is FALSE, the string we return is
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* generated in a static area and is overwritten by
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* the next call to GlNetIdName().
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*
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* ----------------------------------------------------------------------------
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*/
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char *
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GlNetIdName(id)
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int id;
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{
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static char tempId[100];
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if (!glNameDidInit || glNameTableUsed < id)
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{
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(void) sprintf(tempId, "Net %d (with no name)", id);
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return (tempId);
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}
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return (glNameTable[id]);
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}
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