From: Eric Andersen <andersen@codepoet.org>
Date: Thu, 6 Jul 2000 21:29:32 +0000 (-0000)
Subject: Fixed backspace and delete so they work properly again -- broken
X-Git-Tag: 0_46~50
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=02bc25be56606b3a6c66225687f848f8968a5dff;p=oweals%2Fbusybox.git

Fixed backspace and delete so they work properly again -- broken
since 0.44.
 -Erik
---

diff --git a/Changelog b/Changelog
index 981324308..f9d385622 100644
--- a/Changelog
+++ b/Changelog
@@ -29,6 +29,9 @@
 	    Matt Kraai <kraai@alumni.carnegiemellon.edu>.
 	* Reorganized signal names in kill.c for better architecture support 
 	    -- patch thanks to simon wood <simon@mungewell.uklinux.net>
+	* In 0.43, backspace and delete worked properly, but with 0.45, 
+	    it just echoed a ^? for backspace, and ^H for control-h.  This
+	    was due to a broken macro in init.c, that is now fixed.
 
 
 	 -Erik Andersen
diff --git a/init.c b/init.c
index c960fe333..0f6a9bc9b 100644
--- a/init.c
+++ b/init.c
@@ -224,7 +224,7 @@ static void message(int device, char *fmt, ...)
 	}
 }
 
-#define CTRLCHAR(ch)	((ch)&0x1f)
+#define CTRLCHAR(ch)	((ch)-0x40)
 
 /* Set terminal settings to reasonable defaults */
 void set_term(int fd)
@@ -242,7 +242,7 @@ void set_term(int fd)
 	tty.c_cc[VSTART] = CTRLCHAR('Q');	/* Ctrl-Q */
 	tty.c_cc[VSTOP]  = CTRLCHAR('S');	/* Ctrl-S */
 	tty.c_cc[VSUSP]  = CTRLCHAR('Z');	/* Ctrl-Z */
-	
+
 	/* use line dicipline 0 */
 	tty.c_line = 0;
 
diff --git a/init/init.c b/init/init.c
index c960fe333..0f6a9bc9b 100644
--- a/init/init.c
+++ b/init/init.c
@@ -224,7 +224,7 @@ static void message(int device, char *fmt, ...)
 	}
 }
 
-#define CTRLCHAR(ch)	((ch)&0x1f)
+#define CTRLCHAR(ch)	((ch)-0x40)
 
 /* Set terminal settings to reasonable defaults */
 void set_term(int fd)
@@ -242,7 +242,7 @@ void set_term(int fd)
 	tty.c_cc[VSTART] = CTRLCHAR('Q');	/* Ctrl-Q */
 	tty.c_cc[VSTOP]  = CTRLCHAR('S');	/* Ctrl-S */
 	tty.c_cc[VSUSP]  = CTRLCHAR('Z');	/* Ctrl-Z */
-	
+
 	/* use line dicipline 0 */
 	tty.c_line = 0;