From 01da5e13920989b6c7ab97900659f570bdcb78f2 Mon Sep 17 00:00:00 2001 From: dearblue Date: Fri, 13 Aug 2021 15:04:19 +0900 Subject: Check the class with `I` specifier of `mrb_get_args()` Previously, the `I` specifier only checked if the object was `MRB_TT_ISTRUCT`. So it was at risk of getting pointers to different C structs if multiple classes were to use the `MRB_TT_ISTRUCT` instance. Change this behavior and change the C argument corresponding to the `I` specifier to `(void *, struct RClass)`. This change is not compatible with the previous mruby. Please note that if the user uses the previous specifications, `SIGSEGV` may occur or the machine stack may be destroyed. resolve #5527 --- include/mruby.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/mruby.h b/include/mruby.h index 77f862356..4d2b65254 100644 --- a/include/mruby.h +++ b/include/mruby.h @@ -901,7 +901,7 @@ MRB_API struct RClass* mrb_define_module_under_id(mrb_state *mrb, struct RClass * | `b` | boolean | {mrb_bool} | | * | `n` | {String}/{Symbol} | {mrb_sym} | | * | `d` | data | void *, {mrb_data_type} const | 2nd argument will be used to check data type so it won't be modified; when `!` follows, the value may be `nil` | - * | `I` | inline struct | void * | | + * | `I` | inline struct | void *, struct RClass | | * | `&` | block | {mrb_value} | &! raises exception if no block given. | * | `*` | rest arguments | const {mrb_value} *, {mrb_int} | Receive the rest of arguments as an array; `*!` avoid copy of the stack. | * | \| | optional | | After this spec following specs would be optional. | -- cgit v1.2.3