From 458b87150b3fe989bb3d5d611f1d010a71839117 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Wed, 20 Mar 2019 07:28:31 +0000
Subject: [PATCH] Do not leak ranges on error.

---
 format-draw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/format-draw.c b/format-draw.c
index 40ba27bf..ed50236f 100644
--- a/format-draw.c
+++ b/format-draw.c
@@ -577,7 +577,9 @@ format_draw(struct screen_write_ctx *octx, const struct grid_cell *base,
 		end = format_skip(cp + 2, "]");
 		if (end == NULL) {
 			log_debug("no terminating ] at '%s'", cp + 2);
-			return;
+			TAILQ_FOREACH_SAFE(fr, &frs, entry, fr1)
+			    format_free_range(&frs, fr);
+			goto out;
 		}
 		tmp = xstrndup(cp + 2, end - (cp + 2));
 		if (style_parse(&sy, base, tmp) != 0) {
@@ -755,6 +757,7 @@ format_draw(struct screen_write_ctx *octx, const struct grid_cell *base,
 		format_free_range(&frs, fr);
 	}
 
+out:
 	/* Free the screens. */
 	for (i = 0; i < TOTAL; i++)
 		screen_free(&s[i]);