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-rw-r--r--src/nvim/ex_cmds.c10
-rw-r--r--src/nvim/regexp.c15
2 files changed, 20 insertions, 5 deletions
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
index 95390b1a70..66e9738f98 100644
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -3629,8 +3629,14 @@ static buf_T *do_sub(exarg_T *eap, proftime_T timeout, bool do_buf_event, handle
// We do it here once to avoid it to be replaced over and over again.
// But don't do it when it starts with "\=", then it's an expression.
assert(sub != NULL);
+
+ bool sub_needs_free = false;
if (!(sub[0] == '\\' && sub[1] == '=')) {
+ char_u *source = sub;
sub = regtilde(sub, p_magic);
+ // When previewing, the new pattern allocated by regtilde() needs to be freed
+ // in this function because it will not be used or freed by regtilde() later.
+ sub_needs_free = preview && sub != source;
}
// Check for a match on each line.
@@ -4425,6 +4431,10 @@ skip:
kv_destroy(preview_lines.subresults);
+ if (sub_needs_free) {
+ xfree(sub);
+ }
+
return preview_buf;
#undef ADJUST_SUB_FIRSTLNUM
#undef PUSH_PREVIEW_LINES
diff --git a/src/nvim/regexp.c b/src/nvim/regexp.c
index 45e580dbee..9bea54ad2c 100644
--- a/src/nvim/regexp.c
+++ b/src/nvim/regexp.c
@@ -6538,11 +6538,16 @@ char_u *regtilde(char_u *source, int magic)
}
}
- xfree(reg_prev_sub);
- if (newsub != source) /* newsub was allocated, just keep it */
- reg_prev_sub = newsub;
- else /* no ~ found, need to save newsub */
- reg_prev_sub = vim_strsave(newsub);
+ // Only change reg_prev_sub when not previewing.
+ if (!(State & CMDPREVIEW)) {
+ xfree(reg_prev_sub);
+ if (newsub != source) { // newsub was allocated, just keep it
+ reg_prev_sub = newsub;
+ } else { // no ~ found, need to save newsub
+ reg_prev_sub = vim_strsave(newsub);
+ }
+ }
+
return newsub;
}