From: Michael Brown <mcb30@ipxe.org>
Date: Tue, 13 Jun 2017 10:54:41 +0000 (+0100)
Subject: [syslog] Handle backspace characters
X-Git-Tag: v1.20.1~199
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fdf4dddbd6fa2329138e4374c46bbca1ad264c6;p=thirdparty%2Fipxe.git

[syslog] Handle backspace characters

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/core/lineconsole.c b/src/core/lineconsole.c
index bb3bfafc9..0a72d1434 100644
--- a/src/core/lineconsole.c
+++ b/src/core/lineconsole.c
@@ -47,6 +47,13 @@ size_t line_putchar ( struct line_console *line, int character ) {
 	if ( character < 0 )
 		return 0;
 
+	/* Handle backspace characters */
+	if ( character == '\b' ) {
+		if ( line->index )
+			line->index--;
+		return 0;
+	}
+
 	/* Ignore carriage return */
 	if ( character == '\r' )
 		return 0;