Cleanup gcc compiler warnings.

src/frontend/inpcom.c

@@ -1489,7 +1489,7 @@ static struct inp_read_t inp_read(FILE* fp, int call_depth, const char* dir_name
                             end, copy(buffer), line_number, end->linenum_orig, end->linesource);
                 else
                     end = insert_new_line(
-                            end, copy(buffer), line_number, 1, file_name);
+                            end, copy(buffer), line_number, 1, (char *)file_name);
 
                 if (!cc)
                     cc = end;
@@ -6692,7 +6692,7 @@ static void inp_compat(struct card *card)
                 *curr_line = '*';
                 for (i = 0; i < tokcount - 1; i++)
                     for (ii = i + 1; ii < tokcount; ii++) {
-                        char* newline = tprintf("%s_%d_%d %s %s %s", kinst, i + 1, ii + 1, ltok[i], ltok[ii], couple);
+                        char* newline = tprintf("%s_%d_%d %s %s %s", kinst, (int)i + 1, (int)ii + 1, ltok[i], ltok[ii], couple);
                         card = insert_new_line(card, newline, (int)i + 1, currlinenumber, card->linesource);
                     }
                 tfree(kinst);

src/maths/ni/niconv.c

@@ -47,7 +47,7 @@ NIconvTest(CKTcircuit *ckt)
                 nancount++;
             }
             else if (ft_ngdebug && nancount == 10) {
-                fprintf(stderr, "    non-convergence warnings (nan) limited to 10\n", CKTnodName(ckt, i));
+                fprintf(stderr, "    non-convergence warnings (nan) limited to 10 node %s\n", CKTnodName(ckt, i));
                 nancount++;
             }
             return 1;

src/xspice/icm/digital/adc_bridge/cfunc.mod

@@ -334,6 +334,8 @@ void cm_adc_bridge(ARGS)
                 OUTPUT_STRENGTH(out[i]) = STRONG;        
             }          
             break;
+        default:
+            break;
         }
     }
     else {  /*** TIME == 0.0 => set outputs to input value... ***/

src/xspice/icm/digital/dac_bridge/cfunc.mod

@@ -416,5 +416,9 @@ void cm_dac_bridge(ARGS)
             }
             OUTPUT(out[i]) = out[i];
         }
+        break;
+
+    default:
+        break;
     }
 }

src/xspice/icm/xtraevt/real_to_v/cfunc.mod

@@ -68,6 +68,8 @@ void ucm_real_to_v (ARGS)
         }
         break;
 
+    default:
+        break;
     }
 }