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gc.c: move tmp buffer functions

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* gc.c (rb_alloc_tmp_buffer, rb_free_tmp_buffer): move from
  node.c.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51500 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2015-08-06 01:56:37 +00:00
parent 8b6a0f7325
commit 95c84eac49
2 changed files with 30 additions and 30 deletions
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30
node.c
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@ -1075,33 +1075,3 @@ rb_gc_mark_node(NODE *obj)
}
return 0;
}
void *
rb_alloc_tmp_buffer(volatile VALUE *store, long len)
{
NODE *s;
long cnt;
void *ptr;
if (len < 0 || (cnt = (long)roomof(len, sizeof(VALUE))) < 0) {
rb_raise(rb_eArgError, "negative buffer size (or size too big)");
}
s = rb_node_newnode(NODE_ALLOCA, 0, 0, 0);
ptr = xmalloc(cnt * sizeof(VALUE));
s->u1.value = (VALUE)ptr;
s->u3.cnt = cnt;
*store = (VALUE)s;
return ptr;
}
void
rb_free_tmp_buffer(volatile VALUE *store)
{
VALUE s = ATOMIC_VALUE_EXCHANGE(*store, 0);
if (s) {
void *ptr = ATOMIC_PTR_EXCHANGE(RNODE(s)->u1.node, 0);
RNODE(s)->u3.cnt = 0;
xfree(ptr);
}
}