[git commit] vi: restore capability to remember insertion cmds for "."

[Denys Vlasenko]

commit: https://git.busybox.net/busybox/commit/?id=bbacd03ccc48734fb75fdac90e0bdd6c52c22cd1
branch: https://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
modifying_cmds                                        17      22      +5
get_one_char                                         103      98      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 5/-5)                Total: 0 bytes
   text	   data	    bss	    dec	    hex	filename
 982121	    485	   7296	 989902	  f1ace	busybox_old
 982094	    485	   7296	 989875	  f1ab3	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 editors/vi.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/editors/vi.c b/editors/vi.c
index 993630d6f..9d0fc23cf 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -244,9 +244,7 @@ enum {
 
 #if ENABLE_FEATURE_VI_DOT_CMD || ENABLE_FEATURE_VI_YANKMARK
 // cmds modifying text[]
-// vda: removed "aAiIs" as they switch us into insert mode
-// and remembering input for replay after them makes no sense
-static const char modifying_cmds[] ALIGN1 = "cCdDJoOpPrRxX<>~";
+static const char modifying_cmds[] ALIGN1 = "aAcCdDiIJoOpPrRs""xX<>~";
 #endif
 
 enum {
@@ -1053,8 +1051,11 @@ static int get_one_char(void)
 	}
 	// we are adding STDIN chars to q.
 	c = readit();
-	if (lmc_len >= MAX_INPUT_LEN - 1) {
-		status_line_bold("last_modifying_cmd overrun");
+	if (lmc_len >= ARRAY_SIZE(last_modifying_cmd) - 1) {
+		// last_modifying_cmd[] is too small, can't remeber the cmd
+		// - drop it
+		adding2q = 0;
+		lmc_len = 0;
 	} else {
 		last_modifying_cmd[lmc_len++] = c;
 	}