From dbee099eebc46bd6a72f4be1b65c5552f02d471a Mon Sep 17 00:00:00 2001
From: CismonX <admin@cismon.net>
Date: Tue, 11 Jul 2023 00:51:32 +0800
Subject: [PATCH] sixel: fix regression for DECGRI with a repeat count of 0

---
 sixel.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sixel.c b/sixel.c
index c7c04b0d..bd2ebe1d 100644
--- a/sixel.c
+++ b/sixel.c
@@ -1703,7 +1703,11 @@ decgri_generic(struct terminal *term, uint8_t c)
     }
 
     case '?' ... '~': {
-        const unsigned count = term->sixel.repeat_count;
+        unsigned count = term->sixel.repeat_count;
+        if (unlikely(count == 0)) {
+            count = 1;
+        }
+
         sixel_add_many_generic(term, c - 63, count);
         term->sixel.state = SIXEL_DECSIXEL;
         break;
@@ -1722,7 +1726,11 @@ static void
 decgri_ar_11(struct terminal *term, uint8_t c)
 {
     if (likely(c >= '?' && c <= '~')) {
-        const unsigned count = term->sixel.repeat_count;
+        unsigned count = term->sixel.repeat_count;
+        if (unlikely(count == 0)) {
+            count = 1;
+        }
+
         sixel_add_many_ar_11(term, c - 63, count);
         term->sixel.state = SIXEL_DECSIXEL;
     } else