From 07201c711e81647cb8514357da471631db344609 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Tue, 17 Mar 2026 19:50:12 +0200
Subject: [PATCH] LibC: set endp in string to float conversion error

---
 userspace/libraries/LibC/stdlib.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/userspace/libraries/LibC/stdlib.cpp b/userspace/libraries/LibC/stdlib.cpp
index fb1c12fd..ad7135ce 100644
--- a/userspace/libraries/LibC/stdlib.cpp
+++ b/userspace/libraries/LibC/stdlib.cpp
@@ -211,6 +211,8 @@ static T strtoT(const char* str, char** endp, int& error)
 	// no conversion can be performed -- not ([digit] || .[digit])
 	if (!(isdigit(*str) || (str[0] == '.' && isdigit(str[1]))))
 	{
+		if (endp)
+			*endp = const_cast<char*>(str);
 		error = EINVAL;
 		return 0;
 	}