patch 9.0.1037: lalloc(0) error for a class without members
Problem: lalloc(0) error for a class without members.
Solution: Don't allocate room for members if there aren't any.
Don't create the class if there was an error.
diff --git a/src/vim9class.c b/src/vim9class.c
index 864a2e0..c2a17e1 100644
--- a/src/vim9class.c
+++ b/src/vim9class.c
@@ -121,8 +121,8 @@
semsg(_(e_command_cannot_be_shortened_str), line);
else if (*p == '|' || !ends_excmd2(line, p))
semsg(_(e_trailing_characters_str), p);
-
- success = TRUE;
+ else
+ success = TRUE;
break;
}
@@ -190,9 +190,10 @@
// Members are used by the new() function, add them here.
cl->class_obj_member_count = objmembers.ga_len;
- cl->class_obj_members = ALLOC_MULT(objmember_T, objmembers.ga_len);
+ cl->class_obj_members = objmembers.ga_len == 0 ? NULL
+ : ALLOC_MULT(objmember_T, objmembers.ga_len);
if (cl->class_name == NULL
- || cl->class_obj_members == NULL)
+ || (objmembers.ga_len > 0 && cl->class_obj_members == NULL))
{
vim_free(cl->class_name);
vim_free(cl->class_obj_members);