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| author | Denys Vlasenko | 2019-04-01 17:17:02 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2019-04-01 17:17:02 +0200 |
| commit | b29dce4bc293d6800e94569ac7d0df54bd1f8a94 (patch) | |
| tree | c6d2255548855c14532179b5713403d073420e78 /editors/vi.c | |
| parent | 26f5e9d21ccf10ff447c68e4a28be2e723055356 (diff) | |
| download | busybox-b29dce4bc293d6800e94569ac7d0df54bd1f8a94.zip busybox-b29dce4bc293d6800e94569ac7d0df54bd1f8a94.tar.gz | |
vi: code shrink
function old new delta
get_input_line 172 175 +3
char_insert 444 447 +3
rawmode 36 24 -12
edit_file 644 626 -18
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/2 up/down: 6/-30) Total: -24 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors/vi.c')
| -rw-r--r-- | editors/vi.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/editors/vi.c b/editors/vi.c index fe907c8..993630d 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -320,8 +320,9 @@ struct globals { int screensize; // and its size int tabstop; int last_forward_char; // last char searched for with 'f' (int because of Unicode) - char erase_char; // the users erase character +#if ENABLE_FEATURE_VI_CRASHME char last_input_char; // last char read from user +#endif #if ENABLE_FEATURE_VI_DOT_CMD smallint adding2q; // are we currently adding user input to q @@ -433,8 +434,9 @@ struct globals { #define screenbegin (G.screenbegin ) #define tabstop (G.tabstop ) #define last_forward_char (G.last_forward_char ) -#define erase_char (G.erase_char ) +#if ENABLE_FEATURE_VI_CRASHME #define last_input_char (G.last_input_char ) +#endif #if ENABLE_FEATURE_VI_READONLY #define readonly_mode (G.readonly_mode ) #else @@ -560,7 +562,6 @@ static void rawmode(void) { // 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) @@ -1082,7 +1083,7 @@ static char *get_input_line(const char *prompt) c = get_one_char(); if (c == '\n' || c == '\r' || c == 27) break; // this is end of input - if (c == erase_char || c == 8 || c == 127) { + if (c == term_orig.c_cc[VERASE] || c == 8 || c == 127) { // user wants to erase prev char buf[--i] = '\0'; write1("\b \b"); // erase char on screen @@ -1978,7 +1979,7 @@ static char *char_insert(char *p, char c, int undo) // insert the char c at 'p' if ((p[-1] != '\n') && (dot > text)) { p--; } - } else if (c == erase_char || c == 8 || c == 127) { // Is this a BS + } else if (c == term_orig.c_cc[VERASE] || c == 8 || c == 127) { // Is this a BS if (p > text) { p--; p = text_hole_delete(p, p, ALLOW_UNDO_QUEUED); // shrink buffer 1 char @@ -4189,7 +4190,10 @@ static void edit_file(char *fn) mark[26] = mark[27] = text; // init "previous context" #endif - last_forward_char = last_input_char = '\0'; + last_forward_char = '\0'; +#if ENABLE_FEATURE_VI_CRASHME + last_input_char = '\0'; +#endif crow = 0; ccol = 0; @@ -4253,7 +4257,10 @@ static void edit_file(char *fn) } } #endif - last_input_char = c = get_one_char(); // get a cmd from user + c = get_one_char(); // get a cmd from user +#if ENABLE_FEATURE_VI_CRASHME + last_input_char = c; +#endif #if ENABLE_FEATURE_VI_YANKMARK // save a copy of the current line- for the 'U" command if (begin_line(dot) != cur_line) { |