From 7541c20b6063c25124675271d68b00efb93c5cca Mon Sep 17 00:00:00 2001
From: Andrei Alexeyev <akari@taisei-project.org>
Date: Wed, 21 Aug 2024 23:02:57 +0200
Subject: [PATCH] dynarray: make UBSan happy

---
 src/dynarray.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/dynarray.c b/src/dynarray.c
index 50b639d924..839287b561 100644
--- a/src/dynarray.c
+++ b/src/dynarray.c
@@ -84,6 +84,10 @@ void _dynarray_set_elements(dynarray_size_t sizeof_element, DynamicArray *darr,
 }
 
 void _dynarray_filter(dynarray_size_t sizeof_element, DynamicArray *darr, dynarray_filter_predicate_t predicate, void *userdata) {
+	if(UNLIKELY(!darr->data)) {
+		return;
+	}
+
 	char *p = darr->data;
 	char *end = p + sizeof_element * darr->num_elements;
 	dynarray_size_t shift = 0;