From 6601272e3f5632873d6b186386381f2acd54d4e6 Mon Sep 17 00:00:00 2001
From: Jens Alfke <jens@couchbase.com>
Date: Thu, 5 Dec 2024 10:15:37 -0800
Subject: [PATCH] RefCounted: Resolved a GCC warning

Don't ignore the return value (i.e. failure) of asprintf.
---
 Fleece/Support/RefCounted.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Fleece/Support/RefCounted.cc b/Fleece/Support/RefCounted.cc
index 94e8e375..776e6d03 100644
--- a/Fleece/Support/RefCounted.cc
+++ b/Fleece/Support/RefCounted.cc
@@ -48,10 +48,12 @@ namespace fleece {
     __cold static void fail(const RefCounted *obj, const char *what, int refCount,
                             bool andThrow =true)
     {
-        char *message;
-        asprintf(&message,
+        char *message = nullptr;
+        int n = asprintf(&message,
                  "RefCounted object <%s @ %p> %s while it had an invalid refCount of %d (0x%x)",
                  Unmangle(typeid(*obj)).c_str(), obj, what, refCount, refCount);
+        if (n < 0)
+            throw std::runtime_error("RefCounted object has an invalid refCount");
 #ifdef WarnError
         WarnError("%s", message);
 #else