From 8834241417e67090c5185c37221118229b0b4c48 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Tue, 22 Apr 2025 09:55:38 +0300
Subject: [PATCH] LibC: Fix scanf %n modifier

Old code was always returning off by one
---
 userspace/libraries/LibC/scanf_impl.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/userspace/libraries/LibC/scanf_impl.cpp b/userspace/libraries/LibC/scanf_impl.cpp
index 9d0e11b9..d1ea5607 100644
--- a/userspace/libraries/LibC/scanf_impl.cpp
+++ b/userspace/libraries/LibC/scanf_impl.cpp
@@ -596,7 +596,7 @@ int scanf_impl(const char* format, va_list arguments, int (*__getc_fun)(bool adv
 				}
 				case 'n':
 					if (!conversion.suppress)
-						*va_arg(arguments, int*) = nread - (in != NONE);
+						*va_arg(arguments, int*) = nread;
 					conversion.suppress = true; // Dont count this as conversion
 					result = ConversionResult::SUCCESS;
 					break;