1 files changed, 14 insertions, 0 deletions
diff --git a/src/util/check.cpp b/src/util/check.cpp
new file mode 100644
index 0000000000..2a9f885560
--- /dev/null
+++ b/src/util/check.cpp
@@ -0,0 +1,14 @@
+// Copyright (c) 2022 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <util/check.h>
+
+#include <tinyformat.h>
+
+void assertion_fail(const char* file, int line, const char* func, const char* assertion)
+{
+    auto str = strprintf("%s:%s %s: Assertion `%s' failed.\n", file, line, func, assertion);
+    fwrite(str.data(), 1, str.size(), stderr);
+    std::abort();
+}