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marshal.c: io_needed

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* marshal.c (io_needed): extract from marshal_dump and marshal_load.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36176 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2012-06-22 05:22:46 +00:00
parent 0b0dea752c
commit 407e32746e
1 changed files with 11 additions and 5 deletions
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16
marshal.c
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@ -865,6 +865,13 @@ clear_dump_arg(struct dump_arg *arg)
}
}
NORETURN(static inline void io_needed(void));
static inline void
io_needed(void)
{
rb_raise(rb_eTypeError, "instance of IO needed");
}
/*
* call-seq:
* dump( obj [, anIO] , limit=-1 ) -> anIO
@ -911,12 +918,12 @@ marshal_dump(int argc, VALUE *argv)
rb_scan_args(argc, argv, "12", &obj, &a1, &a2);
if (argc == 3) {
if (!NIL_P(a2)) limit = NUM2INT(a2);
if (NIL_P(a1)) goto type_error;
if (NIL_P(a1)) io_needed();
port = a1;
}
else if (argc == 2) {
if (FIXNUM_P(a1)) limit = FIX2INT(a1);
else if (NIL_P(a1)) goto type_error;
else if (NIL_P(a1)) io_needed();
else port = a1;
}
wrapper = TypedData_Make_Struct(rb_cData, struct dump_arg, &dump_arg_data, arg);
@ -929,8 +936,7 @@ marshal_dump(int argc, VALUE *argv)
arg->str = rb_str_buf_new(0);
if (!NIL_P(port)) {
if (!rb_respond_to(port, s_write)) {
type_error:
rb_raise(rb_eTypeError, "instance of IO needed");
io_needed();
}
arg->dest = port;
if (rb_respond_to(port, s_binmode)) {
@ -1783,7 +1789,7 @@ marshal_load(int argc, VALUE *argv)
infection = (int)(FL_TAINT | FL_TEST(port, FL_UNTRUSTED));
}
else {
rb_raise(rb_eTypeError, "instance of IO needed");
io_needed();
}
wrapper = TypedData_Make_Struct(rb_cData, struct load_arg, &load_arg_data, arg);
arg->infection = infection;