[hackers] [st][PATCH v2] Add support for DSR response "OK" escape sequence

---
Feedback rightfully indicated I should use strlen() rather than sizeof()
to avoid writing an unintentional null byte to the tty.
 st.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/st.c b/st.c
index 34c27ad..603cf95 100644
--- a/st.c
+++ b/st.c
_AT_@ -1769,11 +1769,18 @@ csihandle(void)
 	case 'm': /* SGR -- Terminal attribute (color) */
 		tsetattr(csiescseq.arg, csiescseq.narg);
 		break;
-	case 'n': /* DSR – Device Status Report (cursor position) */
-		if (csiescseq.arg[0] == 6) {
+	case 'n': /* DSR – Device Status Report */
+		switch (csiescseq.arg[0]) {
+		case 5: /* Status Report "OK" `0n` */
+			ttywrite("\033[0n", strlen("\033[0n"), 0);
+			break;
+		case 6: /* Report Cursor Position (CPR) `<row>;<column>R` */
 			len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
 					term.c.y+1, term.c.x+1);
 			ttywrite(buf, len, 0);
+			break;
+		default:
+			goto unknown;
 		}
 		break;
 	case 'r': /* DECSTBM -- Set Scrolling Region */
--
2.39.1