Index: sc.c
--- sc.c.orig
+++ sc.c
@@ -212,7 +212,7 @@ flush_saved()
 
     if (dbidx < 0)
 	return;
-    if (p = delbuf[dbidx]) {
+    if ((p = delbuf[dbidx])) {
 	scxfree(delbuffmt[dbidx]);
 	delbuffmt[dbidx] = NULL;
     }
@@ -274,7 +274,7 @@ main (int argc, char  **argv)
     else
 	progname = argv[0];
 
-    while ((c = getopt(argc, argv, "axmoncrCReP:W:vq")) != EOF) {
+    while ((c = getopt(argc, argv, "axmoncrCReP:W:vq")) != -1) {
     	switch (c) {
 	    case 'a':
 		    skipautorun = 1;
@@ -425,7 +425,7 @@ main (int argc, char  **argv)
 #endif
 	optind = 1;
 	stopdisp();
-	while ((o = getopt(argc, argv, "axmoncrCReP:W:vq")) != EOF) {
+	while ((o = getopt(argc, argv, "axmoncrCReP:W:vq")) != -1) {
 	    switch (o) {
 		case 'v':
 		    Vopt = 1;
@@ -520,7 +520,7 @@ main (int argc, char  **argv)
 		    break;
 	    }
 	}
-	if (redraw) printf(redraw);
+	if (redraw) printf("%s", redraw);
 	exit (0);
     }
 
@@ -845,7 +845,7 @@ main (int argc, char  **argv)
 			    break;
 			case 'C':
 			    color = !color;
-			    if (has_colors())
+			    if (has_colors()) {
 				if (color) {
 				    attron(COLOR_PAIR(1));
 				    bkgd(COLOR_PAIR(1) | ' ');
@@ -853,6 +853,7 @@ main (int argc, char  **argv)
 				    attron(COLOR_PAIR(0));
 				    bkgd(COLOR_PAIR(0) | ' ');
 				}
+			    }
 			    error("Color %sabled.", color ? "en" : "dis");
 			    break;
 			case 'N':