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Diffstat (limited to 'Src/Zle/zle_utils.c')
-rw-r--r--Src/Zle/zle_utils.c33
1 files changed, 9 insertions, 24 deletions
diff --git a/Src/Zle/zle_utils.c b/Src/Zle/zle_utils.c
index 8b55403b3..d1d320613 100644
--- a/Src/Zle/zle_utils.c
+++ b/Src/Zle/zle_utils.c
@@ -1409,10 +1409,6 @@ zlong undo_changeno;
zlong undo_limitno;
-/* If non-zero, the last increment to undo_changeno was for the variable */
-
-static int undo_set_by_variable;
-
/**/
void
initundo(void)
@@ -1423,7 +1419,6 @@ initundo(void)
curchange->del = curchange->ins = NULL;
curchange->dell = curchange->insl = 0;
curchange->changeno = undo_changeno = undo_limitno = 0;
- undo_set_by_variable = 0;
lastline = zalloc((lastlinesz = linesz) * ZLE_CHAR_SIZE);
ZS_memcpy(lastline, zleline, (lastll = zlell));
lastcs = zlecs;
@@ -1549,7 +1544,6 @@ mkundoent(void)
ch->prev = NULL;
}
ch->changeno = ++undo_changeno;
- undo_set_by_variable = 0;
endnextchanges = ch;
}
@@ -1584,14 +1578,13 @@ undo(char **args)
struct change *prev = curchange->prev;
if(!prev)
return 1;
- if (prev->changeno < last_change)
+ if (prev->changeno <= last_change)
break;
- if (prev->changeno < undo_limitno && !*args)
+ if (prev->changeno <= undo_limitno && !*args)
return 1;
- if (unapplychange(prev))
- curchange = prev;
- else
- break;
+ if (!unapplychange(prev) && last_change >= 0)
+ unapplychange(prev);
+ curchange = prev;
} while (last_change >= (zlong)0 || (curchange->flags & CH_PREV));
setlastline();
return 0;
@@ -1741,18 +1734,10 @@ 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
- * we return to this change number. This eliminates any
- * problem about the point where a change is numbered
- */
- return ++undo_changeno;
+ /* add entry for any pending changes */
+ mkundoent();
+ setlastline();
+ return undo_changeno;
}
/**/