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/*
* MessagePack for Ruby
*
* Copyright (C) 2008-2010 FURUHASHI Sadayuki
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COMPAT_H__
#define COMPAT_H__
#ifdef HAVE_RUBY_ENCODING_H
#include "ruby/encoding.h"
#define COMPAT_HAVE_ENCODING
extern int s_enc_utf8;
extern int s_enc_ascii8bit;
extern int s_enc_usascii;
extern VALUE s_enc_utf8_value;
#endif
#ifdef RUBY_VM
#define COMPAT_RERAISE rb_exc_raise(rb_errinfo())
#else
#define COMPAT_RERAISE rb_exc_raise(ruby_errinfo)
#endif
/* ruby 1.8 and Rubinius */
#ifndef RBIGNUM_POSITIVE_P
# ifdef RUBINIUS
# define RBIGNUM_POSITIVE_P(b) (rb_funcall(b, rb_intern(">="), 1, INT2FIX(0)) == Qtrue)
# else
# define RBIGNUM_POSITIVE_P(b) (RBIGNUM(b)->sign)
# endif
#endif
/* Rubinius */
#ifdef RUBINIUS
static inline void rb_gc_enable() { return; }
static inline void rb_gc_disable() { return; }
#endif
/* ruby 1.8.5 */
#ifndef RSTRING_PTR
#define RSTRING_PTR(s) (RSTRING(s)->ptr)
#endif
/* ruby 1.8.5 */
#ifndef RSTRING_LEN
#define RSTRING_LEN(s) (RSTRING(s)->len)
#endif
/* ruby 1.8.5 */
#ifndef RARRAY_PTR
#define RARRAY_PTR(s) (RARRAY(s)->ptr)
#endif
/* ruby 1.8.5 */
#ifndef RARRAY_LEN
#define RARRAY_LEN(s) (RARRAY(s)->len)
#endif
#endif /* compat.h */
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