109 lines
3.0 KiB
C
109 lines
3.0 KiB
C
/*
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* Copyright (C) 2017 THL A29 Limited, a Tencent company.
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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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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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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 THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY 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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*/
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#ifndef _FF_COMPAT_H
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#define _FF_COMPAT_H
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#include <stddef.h>
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#ifndef __dead2
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#define __dead2 __attribute__((__noreturn__))
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#endif
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#ifndef __dead
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#define __dead __dead2
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#endif
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#ifndef nitems
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#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
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#endif
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#ifndef rounddown
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#define rounddown(x, y) (((x)/(y))*(y))
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#endif
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#ifndef rounddown2
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#define rounddown2(x, y) ((x)&(~((y)-1))) /* if y is power of two */
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#endif
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#ifndef roundup
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
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#endif
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#ifndef roundup2
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#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
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#endif
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#ifndef powerof2
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#define powerof2(x) ((((x)-1)&(x))==0)
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#endif
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#ifndef __FBSDID
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#define __FBSDID(s) /* nothing */
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#endif
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#ifndef _PATH_ETC
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#define _PATH_ETC "/etc"
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#endif
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#ifndef __PAST_END
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/*
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* Access a variable length array that has been declared as a fixed
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* length array.
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*/
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#define __PAST_END(array, offset) (((__typeof__(*(array)) *)(array))[offset])
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#endif
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#ifndef ishexnumber
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#define ishexnumber(x) isxdigit(x)
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#endif
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#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */
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#ifdef INET6
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#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
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#define AF_INET6_LINUX 10
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#define PF_INET6_LINUX AF_INET6
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#endif
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void *reallocf(void *ptr, size_t size);
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int feature_present(const char *feature);
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size_t strlcat(char *dst, const char *src, size_t siz);
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size_t strlcpy(char * __restrict dst, const char * __restrict src,
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size_t siz);
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long long strtonum(const char *numstr, long long minval,
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long long maxval, const char **errstrp);
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const char *getprogname(void);
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extern int optreset;
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#endif
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