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| author | Ron Yorston | 2021-03-28 13:23:51 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2021-03-29 12:16:21 +0200 |
| commit | a25b4c2c4245083411011e5054ba859d7c6b8dd6 (patch) | |
| tree | 63b44eb29af921279b99ddace1f3d7d5a14c1085 /editors | |
| parent | d56da680577ae5ad43833040a310706e8331c684 (diff) | |
| download | busybox-a25b4c2c4245083411011e5054ba859d7c6b8dd6.zip busybox-a25b4c2c4245083411011e5054ba859d7c6b8dd6.tar.gz | |
vi: code shrink
- In the '+' and '-' commands the call to dot_skip_over_ws() is
only needed for the final line processed so it can be moved out
of the while loop.
- Marking sync_cursor() NOINLINE doesn't seem to offer the same
advantages it did in 2009 (commit adf922ec2).
function old new delta
refresh 694 974 +280
do_cmd 4900 4887 -13
sync_cursor 336 - -336
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/1 up/down: 280/-349) Total: -69 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'editors')
| -rw-r--r-- | editors/vi.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/editors/vi.c b/editors/vi.c index 323ca44..4fa67a1 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -757,7 +757,7 @@ static void new_screen(int ro, int co) } //----- Synchronize the cursor to Dot -------------------------- -static NOINLINE void sync_cursor(char *d, int *row, int *col) +static void sync_cursor(char *d, int *row, int *col) { char *beg_cur; // begin and end of "d" line char *tp; @@ -3302,8 +3302,8 @@ static void do_cmd(int c) case '+': // +- goto next line do { dot_next(); - dot_skip_over_ws(); } while (--cmdcnt > 0); + dot_skip_over_ws(); break; case 21: // ctrl-U scroll up half screen dot_scroll((rows - 2) / 2, -1); @@ -3451,8 +3451,8 @@ static void do_cmd(int c) case '-': // -- goto prev line do { dot_prev(); - dot_skip_over_ws(); } while (--cmdcnt > 0); + dot_skip_over_ws(); break; #if ENABLE_FEATURE_VI_DOT_CMD case '.': // .- repeat the last modifying command |