1 files changed, 20 insertions, 30 deletions

diff --git a/editors/vi.c b/editors/vi.c
index b81f2b92d..e5ca3adfa 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -30,7 +30,7 @@
 //config:         you may wish to use something else.
 //config:
 //config:config FEATURE_VI_MAX_LEN
-//config:       int "Maximum screen width in vi"
+//config:       int "Maximum screen width"
 //config:       range 256 16384
 //config:       default 4096
 //config:       depends on VI
@@ -39,7 +39,7 @@
 //config:         Make it smaller than 4k only if you are very limited on memory.
 //config:
 //config:config FEATURE_VI_8BIT
-//config:       bool "Allow vi to display 8-bit chars (otherwise shows dots)"
+//config:       bool "Allow to display 8-bit chars (otherwise shows dots)"
 //config:       default n
 //config:       depends on VI
 //config:       help
@@ -53,7 +53,7 @@
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         Enable a limited set of colon commands for vi. This does not
+//config:         Enable a limited set of colon commands. This does not
 //config:         provide an "ex" mode.
 //config:
 //config:config FEATURE_VI_YANKMARK
@@ -61,16 +61,14 @@
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         This will enable you to use yank and put, as well as mark in
-//config:         busybox vi.
+//config:         This will enable you to use yank and put, as well as mark.
 //config:
 //config:config FEATURE_VI_SEARCH
 //config:       bool "Enable search and replace cmds"
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         Select this if you wish to be able to do search and replace in
-//config:         busybox vi.
+//config:         Select this if you wish to be able to do search and replace.
 //config:
 //config:config FEATURE_VI_REGEX_SEARCH
 //config:       bool "Enable regex in search and replace"
@@ -84,16 +82,15 @@
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         Selecting this option will make busybox vi signal aware. This will
-//config:         make busybox vi support SIGWINCH to deal with Window Changes, catch
-//config:         Ctrl-Z and Ctrl-C and alarms.
+//config:         Selecting this option will make vi signal aware. This will support
+//config:         SIGWINCH to deal with Window Changes, catch ^Z and ^C and alarms.
 //config:
 //config:config FEATURE_VI_DOT_CMD
 //config:       bool "Remember previous cmd and \".\" cmd"
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         Make busybox vi remember the last command and be able to repeat it.
+//config:         Make vi remember the last command and be able to repeat it.
 //config:
 //config:config FEATURE_VI_READONLY
 //config:       bool "Enable -R option and \"view\" mode"
@@ -104,25 +101,23 @@
 //config:         open a file in read-only mode.
 //config:
 //config:config FEATURE_VI_SETOPTS
-//config:       bool "Enable set-able options, ai ic showmatch"
+//config:       bool "Enable settable options, ai ic showmatch"
 //config:       default y
 //config:       depends on VI
 //config:       help
 //config:         Enable the editor to set some (ai, ic, showmatch) options.
 //config:
 //config:config FEATURE_VI_SET
-//config:       bool "Support for :set"
+//config:       bool "Support :set"
 //config:       default y
 //config:       depends on VI
-//config:       help
-//config:         Support for ":set".
 //config:
 //config:config FEATURE_VI_WIN_RESIZE
 //config:       bool "Handle window resize"
 //config:       default y
 //config:       depends on VI
 //config:       help
-//config:         Make busybox vi behave nicely with terminals that get resized.
+//config:         Behave nicely with terminals that get resized.
 //config:
 //config:config FEATURE_VI_ASK_TERMINAL
 //config:       bool "Use 'tell me cursor position' ESC sequence to measure window"
@@ -133,15 +128,16 @@
 //config:         this option makes vi perform a last-ditch effort to find it:
 //config:         position cursor to 999,999 and ask terminal to report real
 //config:         cursor position using "ESC [ 6 n" escape sequence, then read stdin.
-//config:
 //config:         This is not clean but helps a lot on serial lines and such.
+//config:
 //config:config FEATURE_VI_UNDO
-//config:       bool "Support undo command 'u'"
+//config:       bool "Support undo command \"u\""
 //config:       default y
 //config:       depends on VI
 //config:       help
 //config:         Support the 'u' command to undo insertion, deletion, and replacement
 //config:         of text.
+//config:
 //config:config FEATURE_VI_UNDO_QUEUE
 //config:       bool "Enable undo operation queuing"
 //config:       default y
@@ -152,6 +148,7 @@
 //config:         reached, the contents of the queue are committed to the undo stack.
 //config:         This increases the size of the undo code and allows some undo
 //config:         operations (especially un-typing/backspacing) to be far more useful.
+//config:
 //config:config FEATURE_VI_UNDO_QUEUE_MAX
 //config:       int "Maximum undo character queue size"
 //config:       default 256
@@ -357,7 +354,7 @@ struct globals {
 #if ENABLE_FEATURE_VI_USE_SIGNALS
         sigjmp_buf restart;     // catch_sig()
 #endif
-        struct termios term_orig, term_vi; // remember what the cooked mode was
+        struct termios term_orig; // remember what the cooked mode was
 #if ENABLE_FEATURE_VI_COLON
         char *initial_cmds[3];  // currently 2 entries, NULL terminated
 #endif
@@ -465,7 +462,6 @@ struct globals {
 #define context_end    (G.context_end   )
 #define restart        (G.restart       )
 #define term_orig      (G.term_orig     )
-#define term_vi        (G.term_vi       )
 #define initial_cmds   (G.initial_cmds  )
 #define readbuffer     (G.readbuffer    )
 #define scr_out_buf    (G.scr_out_buf   )
@@ -1461,7 +1457,7 @@ static void colon(char *buf)
                 }
 #endif /* FEATURE_VI_SEARCH */
         } else if (strncmp(cmd, "version", i) == 0) {  // show software version
-                status_line(BB_VER " " BB_BT);
+                status_line(BB_VER);
         } else if (strncmp(cmd, "write", i) == 0  // write text to file
                 || strncmp(cmd, "wq", i) == 0
                 || strncmp(cmd, "wn", i) == 0
@@ -2734,15 +2730,9 @@ static char *swap_context(char *p) // goto new context for '' command make this
 //----- Set terminal attributes --------------------------------
 static void rawmode(void)
 {
-        tcgetattr(0, &term_orig);
-        term_vi = term_orig;
-        term_vi.c_lflag &= (~ICANON & ~ECHO);   // leave ISIG on - allow intr's
-        term_vi.c_iflag &= (~IXON & ~ICRNL);
-        term_vi.c_oflag &= (~ONLCR);
-        term_vi.c_cc[VMIN] = 1;
-        term_vi.c_cc[VTIME] = 0;
-        erase_char = term_vi.c_cc[VERASE];
-        tcsetattr_stdin_TCSANOW(&term_vi);
+        // no TERMIOS_CLEAR_ISIG: leave ISIG on - allow signals
+        set_termios_to_raw(STDIN_FILENO, &term_orig, TERMIOS_RAW_CRNL);
+        erase_char = term_orig.c_cc[VERASE];
 }
 
 static void cookmode(void)