From 20e17a28cf4570ed0c7b8d56c3cb27a760067410 Mon Sep 17 00:00:00 2001
From: Bananymous <oskari.alaranta@bananymous.com>
Date: Wed, 23 Apr 2025 06:33:11 +0300
Subject: [PATCH] Kernel: Fix \b handling

Don't clear the character, only move cursor backwards
---
 kernel/kernel/Terminal/TTY.cpp        | 8 ++++++++
 kernel/kernel/Terminal/VirtualTTY.cpp | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/kernel/kernel/Terminal/TTY.cpp b/kernel/kernel/Terminal/TTY.cpp
index 4a05eb5a..e99b5d78 100644
--- a/kernel/kernel/Terminal/TTY.cpp
+++ b/kernel/kernel/Terminal/TTY.cpp
@@ -302,6 +302,8 @@ namespace Kernel
 				ASSERT(m_output.bytes > 0);
 				m_output.bytes--;
 				putchar('\b');
+				putchar(' ');
+				putchar('\b');
 			}
 			// Caret notation
 			else if (last < 32 || last == 127)
@@ -309,12 +311,18 @@ namespace Kernel
 				m_output.bytes--;
 				putchar('\b');
 				putchar('\b');
+				putchar(' ');
+				putchar(' ');
+				putchar('\b');
+				putchar('\b');
 			}
 			// Ascii
 			else
 			{
 				m_output.bytes--;
 				putchar('\b');
+				putchar(' ');
+				putchar('\b');
 			}
 		}
 	}
diff --git a/kernel/kernel/Terminal/VirtualTTY.cpp b/kernel/kernel/Terminal/VirtualTTY.cpp
index b5d94d57..8ebd5f1f 100644
--- a/kernel/kernel/Terminal/VirtualTTY.cpp
+++ b/kernel/kernel/Terminal/VirtualTTY.cpp
@@ -411,7 +411,7 @@ namespace Kernel
 				break;
 			case BS:
 				if (m_column > 0)
-					putchar_at(' ', --m_column, m_row);
+					m_column--;
 				break;
 			case HT:
 				m_column++;