From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Thu, 16 Jul 2009 12:33:16 +0000 (+0200)
Subject: another small lineedit fix
X-Git-Tag: 1_15_0~70
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=9531f7dad708b9130142aaaac6ed095f23ed3c35;p=oweals%2Fbusybox.git

another small lineedit fix

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index a3d939551..9a773b4b8 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -429,7 +429,9 @@ static void input_delete(int save)
 #endif
 
 	memmove(command_ps + j, command_ps + j + 1,
-			(command_len - j + 1) * sizeof(command_ps[0]));
+			/* (command_len + 1 [because of NUL]) - (j + 1)
+			 * simplified into (command_len - j) */
+			(command_len - j) * sizeof(command_ps[0]));
 	command_len--;
 	input_end();                    /* rewrite new line */
 	cmdedit_set_out_char(' ');      /* erase char */