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vim-patch:8.2.1773: crash when calling mapset() with a list as first argument

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Problem:    Crash when calling mapset() with a list as first argument.
Solution:   Check for NULL. (closes vim/vim#7040)
1b9129809d
This commit is contained in:
zeertzjq
2022-08-01 15:42:01 +08:00
parent 6963c2bdcd
commit 7d45f1a5e8
2 changed files with 7 additions and 2 deletions
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7
src/nvim/mapping.c
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@@ -2132,8 +2132,11 @@ void f_mapset(typval_T *argvars, typval_T *rettv, FunPtr fptr)
{ {
char buf[NUMBUFLEN]; char buf[NUMBUFLEN];
const char *which = tv_get_string_buf_chk(&argvars[0], buf); const char *which = tv_get_string_buf_chk(&argvars[0], buf);
int mode = get_map_mode((char **)&which, 0); if (which == NULL) {
bool is_abbr = tv_get_number(&argvars[1]) != 0; return;
}
const int mode = get_map_mode((char **)&which, 0);
const bool is_abbr = tv_get_number(&argvars[1]) != 0;
if (argvars[2].v_type != VAR_DICT) { if (argvars[2].v_type != VAR_DICT) {
emsg(_(e_dictreq)); emsg(_(e_dictreq));

2
src/nvim/testdir/test_maparg.vim
View File

@@ -239,6 +239,8 @@ func Test_mapset()
iunmap K iunmap K
let &cpo = cpo_save let &cpo = cpo_save
bwipe! bwipe!
call assert_fails('call mapset([], v:false, {})', 'E730:')
endfunc endfunc
func Check_ctrlb_map(d, check_alt) func Check_ctrlb_map(d, check_alt)