/* ---------------------------------------------------------------------------
* free memory used by PCB
*/
void
FreePCBMemory (PCBTypePtr PCBPtr)
{
int i;
if (PCBPtr)
{
MYFREE (PCBPtr->Name);
MYFREE (PCBPtr->Filename);
MYFREE (PCBPtr->PrintFilename);
if (PCBPtr->Data)
FreeDataMemory (PCBPtr->Data);
MYFREE (PCBPtr->Data);
/* release font symbols */
for (i = 0; i <= MAX_FONTPOSITION; i++)
MYFREE (PCBPtr->Font.Symbol[i].Line);
FreeLibraryMemory (&PCBPtr->NetlistLib);
FreeAttributeListMemory (&PCBPtr->Attributes);
/* clear struct */
memset (PCBPtr, 0, sizeof (PCBType));
}
else
{
fprintf (stderr, "Warning: Tried to FreePCBMemory(null)\n");
}
}
/*!
* \brief Free the memory used by PCB.
*/
void
FreePCBMemory (PCBType *pcb) {
int i;
if (pcb == NULL) {
return;
}
free (pcb->Name);
free (pcb->Filename);
free (pcb->PrintFilename);
FreeDataMemory (pcb->Data);
free (pcb->Data);
/* release font symbols */
for (i = 0; i <= MAX_FONTPOSITION; i++) {
free (pcb->Font.Symbol[i].Line);
}
FreeLibraryMemory (&pcb->NetlistLib);
NetlistChanged (0);
FreeAttributeListMemory (&pcb->Attributes);
/* clear struct */
memset (pcb, 0, sizeof (PCBType));
}
/*!
* \brief The primary purpose of this action is to remove the netlist
* completely so that a new one can be loaded, usually via a gsch2pcb
* style script.
*/
static void
netlist_clear (LibraryMenuType * net, LibraryEntryType * pin)
{
LibraryType *netlist = &PCB->NetlistLib;
int ni, pi;
if (net == 0)
{
/* Clear the entire netlist. */
FreeLibraryMemory (&PCB->NetlistLib);
}
else if (pin == 0)
{
/* Remove a net from the netlist. */
ni = net - netlist->Menu;
if (ni >= 0 && ni < netlist->MenuN)
{
/* if there is exactly one item, MenuN is 1 and ni is 0 */
if (netlist->MenuN - ni > 1)
memmove (net, net+1, (netlist->MenuN - ni - 1) * sizeof (*net));
netlist->MenuN --;
}
}
else
{
/* Remove a pin from the given net. Note that this may leave an
empty net, which is different than removing the net
(above). */
pi = pin - net->Entry;
if (pi >= 0 && pi < net->EntryN)
{
/* if there is exactly one item, MenuN is 1 and ni is 0 */
if (net->EntryN - pi > 1)
memmove (pin, pin+1, (net->EntryN - pi - 1) * sizeof (*pin));
net->EntryN --;
}
}
NetlistChanged (0);
}
