--- freem/src/operator.c	2025/03/09 19:50:47	1.5
+++ freem/src/operator.c	2025/04/09 19:52:02	1.6
@@ -1,5 +1,5 @@
 /*
- *   $Id: operator.c,v 1.5 2025/03/09 19:50:47 snw Exp $
+ *   $Id: operator.c,v 1.6 2025/04/09 19:52:02 snw Exp $
  *    operators pattern-match, divide, multiply, add, power
  *
  *  
@@ -24,6 +24,9 @@
  *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
  *
  *   $Log: operator.c,v $
+ *   Revision 1.6  2025/04/09 19:52:02  snw
+ *   Eliminate as many warnings as possible while building with -Wall
+ *
  *   Revision 1.5  2025/03/09 19:50:47  snw
  *   Second phase of REUSE compliance and header reformat
  *
@@ -796,8 +799,8 @@ void add (char *a, char *b)				/* string
 		mi = 1;
 		a[0] = ZERO;
 	    }
-	    while (a[mi] == ZERO) {
-		stcpy (&a[mi], &a[mi + 1]);
+	    while (a[(int) mi] == ZERO) {
+		stcpy (&a[(int) mi], &a[((int) mi) + 1]);
 		dpa--;
 	    }
 	    if (dpa < 0)
@@ -825,7 +828,7 @@ void add (char *a, char *b)				/* string
 	    }
 	    a[0] = MINUS;
 	}
-	if (a[mi] == EOL) {
+	if (a[(int) mi] == EOL) {
 	    a[0] = ZERO;
 	    a[1] = EOL;
 	}