From 4699f0e68ac968b5ffe86e14dc6b9e83c9452272 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 8 May 2025 02:01:55 +0900
Subject: [PATCH] prioq: check if identical compare func is specified if
 already allocated

---
 src/basic/prioq.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index 0ff5faaff33..97e3fd936fa 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -58,8 +58,10 @@ Prioq* prioq_free(Prioq *q) {
 int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func) {
         assert(q);
 
-        if (*q)
+        if (*q) {
+                assert((*q)->compare_func == compare_func);
                 return 0;
+        }
 
         *q = prioq_new(compare_func);
         if (!*q)
-- 
2.47.3