From 30786abe0ebc99ebc4556eb70bc46cb670892cbd Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Sat, 14 Aug 2021 16:26:29 +0000
Subject: [PATCH] Some other missing palette NULL checks, from oss-fuzz.

---
 input.c | 40 ++++++++++++++++++++++++----------------
 1 file changed, 24 insertions(+), 16 deletions(-)

diff --git a/input.c b/input.c
index 155144b7..7a320c56 100644
--- a/input.c
+++ b/input.c
@@ -2556,10 +2556,12 @@ input_osc_10(struct input_ctx *ictx, const char *p)
 		log_debug("bad OSC 10: %s", p);
 		return;
 	}
-	ictx->palette->fg = c;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->fg = c;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 110 sequence for resetting background colour. */
@@ -2570,10 +2572,12 @@ input_osc_110(struct input_ctx *ictx, const char *p)
 
 	if (*p != '\0')
 		return;
-	ictx->palette->fg = 8;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->fg = 8;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 11 sequence for setting and querying background colour. */
@@ -2596,10 +2600,12 @@ input_osc_11(struct input_ctx *ictx, const char *p)
 		log_debug("bad OSC 11: %s", p);
 		return;
 	}
-	ictx->palette->bg = c;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->bg = c;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 111 sequence for resetting background colour. */
@@ -2610,10 +2616,12 @@ input_osc_111(struct input_ctx *ictx, const char *p)
 
 	if (*p != '\0')
 		return;
-	ictx->palette->bg = 8;
-	if (wp != NULL)
-		wp->flags |= PANE_STYLECHANGED;
-	screen_write_fullredraw(&ictx->ctx);
+	if (ictx->palette != NULL) {
+		ictx->palette->bg = 8;
+		if (wp != NULL)
+			wp->flags |= PANE_STYLECHANGED;
+		screen_write_fullredraw(&ictx->ctx);
+	}
 }
 
 /* Handle the OSC 52 sequence for setting the clipboard. */