patch 8.1.0552: saved last search pattern may not be restored
Problem: Saved last search pattern may not be restored.
Solution: Call restore_last_search_pattern(). Add a check for balancing
saving and restoring the last search pattern.
diff --git a/src/search.c b/src/search.c
index 98665f7..d7aa592 100644
--- a/src/search.c
+++ b/src/search.c
@@ -96,6 +96,7 @@
/* copy of spats[RE_SEARCH], for keeping the search patterns while incremental
* searching */
static struct spat saved_last_search_spat;
+static int did_save_last_search_spat = 0;
static int saved_last_idx = 0;
static int saved_no_hlsearch = 0;
# endif
@@ -364,6 +365,11 @@
void
save_last_search_pattern(void)
{
+ if (did_save_last_search_spat != 0)
+ IEMSG("did_save_last_search_spat is not zero");
+ else
+ ++did_save_last_search_spat;
+
saved_last_search_spat = spats[RE_SEARCH];
if (spats[RE_SEARCH].pat != NULL)
saved_last_search_spat.pat = vim_strsave(spats[RE_SEARCH].pat);
@@ -374,8 +380,16 @@
void
restore_last_search_pattern(void)
{
+ if (did_save_last_search_spat != 1)
+ {
+ IEMSG("did_save_last_search_spat is not one");
+ return;
+ }
+ --did_save_last_search_spat;
+
vim_free(spats[RE_SEARCH].pat);
spats[RE_SEARCH] = saved_last_search_spat;
+ saved_last_search_spat.pat = NULL;
# if defined(FEAT_EVAL)
set_vv_searchforward();
# endif