X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/8e310303903792c010d03c046ba75f8b18f7d3a7..a0467c802d4f86ed162486e3453dd61181423902:/st.c

diff --git a/st.c b/st.c
index 781dbf2..de2dd0e 100644
--- a/st.c
+++ b/st.c
@@ -1928,7 +1928,7 @@ strhandle(void)
 				fprintf(stderr, "erresc: invalid foreground color: %s\n", p);
 			else
 				redraw();
-			break;
+			return;
 		case 11:
 			if (narg < 2)
 				break;
@@ -1941,7 +1941,7 @@ strhandle(void)
 				fprintf(stderr, "erresc: invalid background color: %s\n", p);
 			else
 				redraw();
-			break;
+			return;
 		case 12:
 			if (narg < 2)
 				break;
@@ -1954,16 +1954,16 @@ strhandle(void)
 				fprintf(stderr, "erresc: invalid cursor color: %s\n", p);
 			else
 				redraw();
-			break;
+			return;
 		case 4: /* color set */
 			if (narg < 3)
 				break;
 			p = strescseq.args[2];
 			/* FALLTHROUGH */
-		case 104: /* color reset, here p = NULL */
+		case 104: /* color reset */
 			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
 
-			if (!strcmp(p, "?"))
+			if (p && !strcmp(p, "?"))
 				osc4_color_response(j);
 			else if (xsetcolorname(j, p)) {
 				if (par == 104 && narg <= 1)