lineedit: tiny shrink

1 files changed, 9 insertions, 1 deletions

diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 18cf7cc99..529344f6c 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -246,7 +246,15 @@ static void input_backward(unsigned num)
         if (cmdedit_x >= num) {
                 cmdedit_x -= num;
                 if (num <= 4) {
-                        printf("\b\b\b\b" + (4-num));
+                        /* This is longer by 5 bytes on x86.
+                         * Also gets mysteriously
+                         * miscompiled for some ARM users.
+                         * printf(("\b\b\b\b" + 4) - num);
+                         * return;
+                         */
+                        do {
+                                bb_putchar('\b');
+                        } while (--num);
                         return;
                 }
                 printf("\033[%uD", num);