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-rw-r--r--marshal.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/marshal.c b/marshal.c
index 3560cb5d80..152b29671a 100644
--- a/marshal.c
+++ b/marshal.c
@@ -591,16 +591,18 @@ encoding_name(VALUE obj, struct dump_arg *arg)
static void
w_encoding(VALUE encname, struct dump_call_arg *arg)
{
+ int limit = arg->limit;
+ if (limit >= 0) ++limit;
switch (encname) {
case Qfalse:
case Qtrue:
w_symbol(ID2SYM(rb_intern("E")), arg->arg);
- w_object(encname, arg->arg, arg->limit + 1);
+ w_object(encname, arg->arg, limit);
case Qnil:
return;
}
w_symbol(ID2SYM(rb_id_encoding()), arg->arg);
- w_object(encname, arg->arg, arg->limit + 1);
+ w_object(encname, arg->arg, limit);
}
static st_index_t
@@ -659,7 +661,7 @@ w_object(VALUE obj, struct dump_arg *arg, int limit)
rb_raise(rb_eArgError, "exceed depth limit");
}
- limit--;
+ if (limit > 0) limit--;
c_arg.limit = limit;
c_arg.arg = arg;