/usr/include/ck_cc.h is in libck-dev 0.4.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright 2009-2014 Samy Al Bahra.
* Copyright 2014 Paul Khuong.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _CK_CC_H
#define _CK_CC_H
#if defined(__GNUC__) || defined(__SUNPRO_C)
#include "gcc/ck_cc.h"
#endif
/*
* Container function.
* This relies on (compiler) implementation-defined behavior.
*/
#define CK_CC_CONTAINER(F, T, M, N) \
CK_CC_INLINE static T * \
N(F *p) \
{ \
const F *n = p; \
return (T *)(void *)(((char *)n) - ((size_t)&((T *)0)->M)); \
}
#define CK_CC_PAD(x) union { char pad[x]; }
#ifndef CK_CC_ALIASED
#define CK_CC_ALIASED
#endif
#ifndef CK_CC_UNUSED
#define CK_CC_UNUSED
#endif
#ifndef CK_CC_USED
#define CK_CC_USED
#endif
#ifndef CK_CC_IMM
#define CK_CC_IMM
#endif
#ifndef CK_CC_PACKED
#define CK_CC_PACKED
#endif
#ifndef CK_CC_WEAKREF
#define CK_CC_WEAKREF
#endif
#ifndef CK_CC_ALIGN
#define CK_CC_ALIGN(X)
#endif
#ifndef CK_CC_CACHELINE
#define CK_CC_CACHELINE
#endif
#ifndef CK_CC_LIKELY
#define CK_CC_LIKELY(x) x
#endif
#ifndef CK_CC_UNLIKELY
#define CK_CC_UNLIKELY(x) x
#endif
#ifndef CK_F_CC_FFS
#define CK_F_CC_FFS
CK_CC_INLINE static int
ck_cc_ffs(unsigned int x)
{
unsigned int i;
if (x == 0)
return 0;
for (i = 1; (x & 1) == 0; i++, x >>= 1);
return i;
}
#endif
#ifndef CK_F_CC_CLZ
#define CK_F_CC_CLZ
#include <ck_limits.h>
CK_CC_INLINE static int
ck_cc_clz(unsigned int x)
{
unsigned int count, i;
for (count = 0, i = sizeof(unsigned int) * CHAR_BIT; i > 0; count++) {
unsigned int bit = 1U << --i;
if (x & bit)
break;
}
return count;
}
#endif
#ifndef CK_F_CC_CTZ
#define CK_F_CC_CTZ
CK_CC_INLINE static int
ck_cc_ctz(unsigned int x)
{
unsigned int i;
if (x == 0)
return 0;
for (i = 0; (x & 1) == 0; i++, x >>= 1);
return i;
}
#endif
#ifndef CK_F_CC_POPCOUNT
#define CK_F_CC_POPCOUNT
CK_CC_INLINE static int
ck_cc_popcount(unsigned int x)
{
unsigned int acc;
for (acc = 0; x != 0; x >>= 1)
acc += x & 1;
return acc;
}
#endif
#endif /* _CK_CC_H */
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