read_key: remove handling for ctrl-up/down, we don't use that. -12 bytes

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

2 files changed, 3 insertions, 3 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 6274ea2e8..9865121d9 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1222,7 +1222,7 @@ enum {
         KEYCODE_FUN11    = -22,
         KEYCODE_FUN12    = -23,
 #endif
-        KEYCODE_CURSOR_POS = -0x100,
+        KEYCODE_CURSOR_POS = -0x100, /* 0xfff..fff00 */
         /* How long is the longest ESC sequence we know?
          * We want it big enough to be able to contain
          * cursor position sequence "ESC [ 9999 ; 9999 R"
diff --git a/libbb/read_key.c b/libbb/read_key.c
index 88ea79dc6..02c381dd5 100644
--- a/libbb/read_key.c
+++ b/libbb/read_key.c
@@ -83,8 +83,8 @@ int64_t FAST_FUNC read_key(int fd, char *buffer)
                 /* ESC [ 2 4 ; 5 ~ - Ctrl-F12 */
                 /* ESC [ 2 4 ; 6 ~ - Ctrl-Shift-F12 */
 #endif
-                '[','1',';','5','A' |0x80,KEYCODE_CTRL_UP   ,
-                '[','1',';','5','B' |0x80,KEYCODE_CTRL_DOWN ,
+                /* '[','1',';','5','A' |0x80,KEYCODE_CTRL_UP   , - unused */
+                /* '[','1',';','5','B' |0x80,KEYCODE_CTRL_DOWN , - unused */
                 '[','1',';','5','C' |0x80,KEYCODE_CTRL_RIGHT,
                 '[','1',';','5','D' |0x80,KEYCODE_CTRL_LEFT ,
                 0