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/**********
Copyright 1990 Regents of the University of California. All rights reserved.
Author: 1985 Thomas L. Quarles
**********/
#include "ngspice/config.h"
#include "ngspice/cktdefs.h"
#include "ngspice/devdefs.h"
#include "ngspice/sperror.h"
#include "string.h"
static GENinstance *
find_instance(GENinstance *here, IFuid name)
{
for (; here; here = here->GENnextInstance)
if (here->GENname == name)
return here;
return NULL;
}
int
CKTfndDev(CKTcircuit *ckt, int *type, GENinstance **fast, IFuid name, GENmodel *modfast)
{
GENinstance *here;
GENmodel *mods;
/* we know the device instance `fast' */
if (fast && *fast) {
if (type)
*type = (*fast)->GENmodPtr->GENmodType;
return OK;
}
/* we know the model `modfast', but need to find the device instance */
if (modfast) {
here = find_instance(modfast->GENinstances, name);
if (here) {
if (fast)
*fast = here;
if (type)
*type = modfast->GENmodType;
return OK;
}
return E_NODEV;
}
/* we know device `type', but need to find model and device instance */
if (*type >= 0 && *type < DEVmaxnum) {
/* look through all models */
for (mods = ckt->CKThead[*type]; mods ; mods = mods->GENnextModel) {
/* and all instances */
here = find_instance(mods->GENinstances, name);
if (here) {
if (fast)
*fast = here;
return OK;
}
if (mods->GENmodName == NULL)
return E_NODEV;
}
return E_NOMOD;
}
/* we don't even know `type', search all of them */
if (*type == -1) {
for (*type = 0; *type < DEVmaxnum; (*type)++) {
/* look through all models */
for (mods = ckt->CKThead[*type]; mods; mods = mods->GENnextModel) {
/* and all instances */
here = find_instance(mods->GENinstances, name);
if (here) {
if (fast)
*fast = here;
return OK;
}
if (mods->GENmodName == NULL)
return E_NODEV;
}
}
*type = -1;
return E_NODEV;
}
return E_BADPARM;
}