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api: Make sure dict_set_var doesn’t edit read-only values

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Fixes #6147
This commit is contained in:
ZyX
2017-02-23 01:34:25 +03:00
parent 8faa4af396
commit 858ac9d8e5
7 changed files with 61 additions and 8 deletions
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13
src/nvim/api/private/helpers.c
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@@ -131,6 +131,19 @@ Object dict_set_var(dict_T *dict, String key, Object value, bool del,
dictitem_T *di = dict_find(dict, (char_u *)key.data, (int)key.size);
if (di != NULL) {
if (di->di_flags & DI_FLAGS_RO) {
api_set_error(err, Exception, _("Key is read-only: %s"), key.data);
return rv;
} else if (di->di_flags & DI_FLAGS_FIX) {
api_set_error(err, Exception, _("Key is fixed: %s"), key.data);
return rv;
} else if (di->di_flags & DI_FLAGS_LOCK) {
api_set_error(err, Exception, _("Key is locked: %s"), key.data);
return rv;
}
}
if (del) {
// Delete the key
if (di == NULL) {