diff options
Diffstat (limited to 'Src/Zle/zle_utils.c')
| -rw-r--r-- | Src/Zle/zle_utils.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Src/Zle/zle_utils.c b/Src/Zle/zle_utils.c index 55fd2ffd2..d0e7b5542 100644 --- a/Src/Zle/zle_utils.c +++ b/Src/Zle/zle_utils.c @@ -1363,6 +1363,10 @@ static struct change *nextchanges, *endnextchanges; static zlong undo_changeno; +/* If non-zero, the last increment to undo_changeno was for the variable */ + +static int undo_set_by_variable; + /**/ void initundo(void) @@ -1373,6 +1377,7 @@ initundo(void) curchange->del = curchange->ins = NULL; curchange->dell = curchange->insl = 0; curchange->changeno = undo_changeno = 0; + undo_set_by_variable = 0; lastline = zalloc((lastlinesz = linesz) * ZLE_CHAR_SIZE); ZS_memcpy(lastline, zleline, (lastll = zlell)); lastcs = zlecs; @@ -1498,6 +1503,7 @@ mkundoent(void) ch->prev = NULL; } ch->changeno = ++undo_changeno; + undo_set_by_variable = 0; endnextchanges = ch; } @@ -1662,6 +1668,11 @@ zlecallhook(char *name, char *arg) zlong get_undo_current_change(UNUSED(Param pm)) { + if (undo_set_by_variable) { + /* We were the last to increment this, doesn't need another one. */ + return undo_changeno; + } + undo_set_by_variable = 1; /* * Increment the number in case a change is in progress; * we don't want to back off what's already been done when |