rewrite INPlookMod(), return INPmodel*/NULL instead of int 1/0

ChangeLog

@@ -1,3 +1,8 @@
+2012-02-06  Robert Larice
+ * src/include/ngspice/inpdefs.h ,
+ * src/spicelib/parser/inplkmod.c :
+   rewrite INPlookMod(), return INPmodel*/NULL instead of int 1/0
+
 2012-02-06  Robert Larice
  * src/frontend/com_compose.c ,
  * src/frontend/define.c ,

src/include/ngspice/inpdefs.h

@@ -110,7 +110,7 @@ int INPinsertNofree(char **token, INPtables *tab);
 int INPinsert(char **, INPtables *);
 int INPretrieve(char **, INPtables *);
 int INPremove(char *, INPtables *);
-int INPlookMod(char *);
+INPmodel *INPlookMod(const char *);
 int INPmakeMod(char *, int, card *);
 char *INPmkTemp(char *);
 void INPpas1(CKTcircuit *, card *, INPtables *);

src/spicelib/parser/inplkmod.c

@@ -2,32 +2,27 @@
 Copyright 1990 Regents of the University of California.  All rights reserved.
 Author: 1985 Thomas L. Quarles
 **********/
-/*
- */
 
 #include "ngspice/ngspice.h"
-#include <stdio.h>
 #include "ngspice/inpdefs.h"
-#include "inp.h"
-
+#include <string.h>
 
 extern INPmodel *modtab;
 
+
 /*-----------------------------------------------------------------
- * This fcn accepts a pointer to the model name, and returns 1 if
- * the model exists in the model table, and returns 0 if hte model
- * doesn't exist in the model table.
+ * This fcn accepts a pointer to the model name, and returns
+ * the INPmodel * if it exist in the model table.
  *----------------------------------------------------------------*/
-int INPlookMod(char *name)
+
+INPmodel *
+INPlookMod(const char *name)
 {
-    register INPmodel **i;
+    INPmodel *i;
+
+    for (i = modtab; i; i = i->INPnextModel)
+        if (strcmp(i->INPmodName, name) == 0)
+            return i;
 
-    for (i = &modtab; *i != NULL; i = &((*i)->INPnextModel)) {
-	if (strcmp((*i)->INPmodName, name) == 0) {
-	    /* found the model in question - return TRUE */
-	    return (1);
-	}
-    }
-    /* didn't find model - return FALSE */
-    return (0);
+    return NULL;
 }