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eval: let getreg() return valid list for an undefined register

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vim-patch:7.4.1755
this prevents a crash when the list is used in setreg() later
This commit is contained in:
Björn Linse
2016-04-20 13:44:12 +02:00
parent a7a0bf54e3
commit ce17d03180
5 changed files with 36 additions and 14 deletions
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5
src/nvim/eval.c
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@@ -10096,9 +10096,10 @@ static void f_getreg(typval_T *argvars, typval_T *rettv)
rettv->v_type = VAR_LIST;
rettv->vval.v_list =
get_reg_contents(regname, (arg2 ? kGRegExprSrc : 0) | kGRegList);
if (rettv->vval.v_list != NULL) {
rettv->vval.v_list->lv_refcount++;
if (rettv->vval.v_list == NULL) {
rettv->vval.v_list = list_alloc();
}
rettv->vval.v_list->lv_refcount++;
} else {
rettv->v_type = VAR_STRING;
rettv->vval.v_string = get_reg_contents(regname, arg2 ? kGRegExprSrc : 0);