https://bugs.gentoo.org/918974
https://src.fedoraproject.org/rpms/schedtool/c/f84b6a0fdc4b368e2b1c5ea59739f002063e3c9e?branch=rawhide

Invoke decode_error separately with the correct argument types for
each variant.  This avoids an int-conversion error.

--- a/schedtool.c
+++ b/schedtool.c
@@ -422,19 +422,14 @@ int set_process(pid_t pid, int policy, int prio)
 	struct sched_param p;
 	int ret;
 
-	char *msg1="could not set PID %d to %s";
-	char *msg2="could not set PID %d to raw policy #%d";
-
 	p.sched_priority=prio;
 
 	/* anything other than 0 indicates error */
 	if((ret=sched_setscheduler(pid, policy, &p))) {
-
-                /* la la pointer mismatch .. lala */
-		decode_error((CHECK_RANGE_POLICY(policy) ? msg1 : msg2),
-			     pid,
-			     (CHECK_RANGE_POLICY(policy) ? TAB[policy] : policy)
-			    );
+		if (CHECK_RANGE_POLICY(policy))
+			decode_error("could not set PID %d to %s", pid, TAB[policy]);
+		else
+			decode_error("could not set PID %d to raw policy #%d", pid, policy);
 		return(ret);
 	}
 	return(0);