From 22cc68808c31e15c7455ce6056f5be4e8226e8e1 Mon Sep 17 00:00:00 2001
From: F1F88 <0xf1f88@gmail.com>
Date: Sun, 9 Nov 2025 00:32:09 +0800
Subject: [PATCH] Supports "%f" formatting value as inf float (#2324)

* Fixed when the float value of "%f" is inf, it should be formatted as "Inf" instead of "0.0"

* Replace std::isinf with ke::IsInfinite
---
 core/logic/sprintf.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/core/logic/sprintf.cpp b/core/logic/sprintf.cpp
index 6263ddfb7..b872194f7 100644
--- a/core/logic/sprintf.cpp
+++ b/core/logic/sprintf.cpp
@@ -254,6 +254,12 @@ void AddFloat(char **buf_p, size_t &maxlen, double fval, int width, int prec, in
 		return;
 	}
 
+	if (ke::IsInfinite(static_cast<float>(fval)))
+	{
+		AddString(buf_p, maxlen, "Inf", width, prec, flags | NOESCAPE);
+		return;
+	}
+
 	// default precision
 	if (prec < 0)
 	{