1 files changed, 13 insertions, 0 deletions
diff --git a/rpt.c b/rpt.c
index 409a8cc..b35f492 100644
--- a/rpt.c
+++ b/rpt.c
@@ -193,6 +193,17 @@ copy_stdin()
 	}
 }
 
+void
+check_u_f_conflict(void (*handle_error_f)(int status), long count)
+{
+	if ((handle_error_f == continue_on_error) && (count == LONG_MAX))
+	{
+		fprintf(stderr, "rpt: -u and -f options both given, conflict, \
+see man rpt(1)\n");
+		exit(EXIT_INVALID_ARG);
+	}
+}
+
 int
 main(int argc, char* argv[])
 {
@@ -231,6 +242,8 @@ main(int argc, char* argv[])
 		}
 	}
 
+	check_u_f_conflict(handle_error_f, count);
+
 	if (strcount)
 	{
 		char *err = NULL;