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cleaner get_unnamed_node() function

This commit is contained in:
Stefan Frederik 2022-10-08 22:16:27 +02:00
parent 03d2e685fe
commit c5e7e3be29
1 changed files with 9 additions and 17 deletions
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26
src/netlist.c
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@ -538,47 +538,39 @@ static void set_unnamed_net(int i)
/* what==3 -> get node multiplicity */ /* what==3 -> get node multiplicity */
int get_unnamed_node(int what, int mult,int node) int get_unnamed_node(int what, int mult,int node)
{ {
int i;
dbg(2, "get_unnamed_node(): what=%d mult=%d node=%d\n", what, mult, node); dbg(2, "get_unnamed_node(): what=%d mult=%d node=%d\n", what, mult, node);
if(what==0) /* initialize unnamed node data structures */ if(what==0) { /* initialize unnamed node data structures */
{
xctx->new_node=0; xctx->new_node=0;
my_free(828, &xctx->node_mult); my_free(828, &xctx->node_mult);
xctx->node_mult_size=0; xctx->node_mult_size=0;
return 0; return 0;
} }
else if(what==1) /* get a new unique unnamed node */ else if(what==1) { /* get a new unique unnamed node */
{
char tmp_str[30]; char tmp_str[30];
do { do {
++xctx->new_node; ++xctx->new_node;
my_snprintf(tmp_str, S(tmp_str), "net%d", xctx->new_node); my_snprintf(tmp_str, S(tmp_str), "net%d", xctx->new_node);
/* JL avoid autonamed nets clash with user defined 'net#' names */ /* JL avoid autonamed nets clash with user defined 'net#' names */
} while (bus_node_hash_lookup(tmp_str, "", XLOOKUP, 0, "", "", "", "")!=NULL); } while (bus_node_hash_lookup(tmp_str, "", XLOOKUP, 0, "", "", "", "")!=NULL);
if(xctx->new_node >= xctx->node_mult_size) { /* enlarge array and zero it */
while(xctx->new_node>= xctx->node_mult_size) /* enlarge array and zero it */ int oldsize = xctx->node_mult_size;
{ xctx->node_mult_size = xctx->new_node + CADCHUNKALLOC;
xctx->node_mult_size += CADCHUNKALLOC; my_realloc(242, &xctx->node_mult, sizeof(xctx->node_mult[0]) * xctx->node_mult_size );
my_realloc(242, &xctx->node_mult, sizeof(int) * xctx->node_mult_size ); memset(xctx->node_mult + oldsize, 0, (xctx->node_mult_size - oldsize) * sizeof(xctx->node_mult[0]));
for (i=xctx->node_mult_size-CADCHUNKALLOC;i<xctx->node_mult_size;i++) xctx->node_mult[i]=0;
} }
xctx->node_mult[xctx->new_node]=mult; xctx->node_mult[xctx->new_node]=mult;
return xctx->new_node; return xctx->new_node;
} }
else if(what==2) /* update node multiplicity if given mult is lower */ else if(what==2) { /* update node multiplicity if given mult is lower */
{
if(xctx->node_mult[node]==0) xctx->node_mult[node]=mult; if(xctx->node_mult[node]==0) xctx->node_mult[node]=mult;
else if(mult < xctx->node_mult[node]) xctx->node_mult[node]=mult; else if(mult < xctx->node_mult[node]) xctx->node_mult[node]=mult;
return 0; return 0;
} }
else /* what=3 , return node multiplicity */ else { /* what=3 , return node multiplicity */
{
dbg(2, "get_unnamed_node(): returning mult=%d\n", xctx->node_mult[node]); dbg(2, "get_unnamed_node(): returning mult=%d\n", xctx->node_mult[node]);
return xctx->node_mult[node]; return xctx->node_mult[node];
} }
} }
/*------------ */
/* store list of global nodes (global=1 set in symbol props) to be printed in netlist 28032003 */ /* store list of global nodes (global=1 set in symbol props) to be printed in netlist 28032003 */
/* what: */ /* what: */