79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
/*
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* Copyright (c) 2008, 2009, Wayne Meissner
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*
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* Copyright (c) 2008-2013, Ruby FFI project contributors
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the Ruby FFI project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RBFFI_COMPAT_H
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#define RBFFI_COMPAT_H
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#include <ruby.h>
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#ifndef RARRAY_LEN
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# define RARRAY_LEN(ary) RARRAY(ary)->len
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#endif
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#ifndef RARRAY_PTR
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# define RARRAY_PTR(ary) RARRAY(ary)->ptr
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#endif
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#ifndef RSTRING_LEN
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# define RSTRING_LEN(s) RSTRING(s)->len
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#endif
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#ifndef RSTRING_PTR
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# define RSTRING_PTR(s) RSTRING(s)->ptr
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#endif
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#ifndef NUM2ULL
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# define NUM2ULL(x) rb_num2ull((VALUE)x)
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#endif
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#ifndef roundup
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# define roundup(x, y) ((((x)+((y)-1))/(y))*(y))
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#endif
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#ifdef __GNUC__
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# define likely(x) __builtin_expect((x), 1)
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# define unlikely(x) __builtin_expect((x), 0)
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#else
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# define likely(x) (x)
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# define unlikely(x) (x)
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#endif
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#ifndef MAX
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# define MAX(a, b) ((a) < (b) ? (b) : (a))
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#endif
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#ifndef MIN
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# define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef RB_GC_GUARD
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# define RB_GC_GUARD(x) (x)
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#endif
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#endif /* RBFFI_COMPAT_H */
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