9c8d711aa5
Just expose the ones that bionic historically leaked. Also, many of the M_* constants in <math.h> are actually POSIX. Change-Id: I6275df84c5866b872b71f1c8ed14e2aada12b793
106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/*-
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* Copyright (c) 1997 Niklas Hallqvist. 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
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* are met:
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* 1. 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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* 2. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_ENDIAN_H_
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#define _SYS_ENDIAN_H_
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#include <sys/cdefs.h>
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#include <stdint.h>
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#define _LITTLE_ENDIAN 1234
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#define _BIG_ENDIAN 4321
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#define _PDP_ENDIAN 3412
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#define _BYTE_ORDER _LITTLE_ENDIAN
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#define __LITTLE_ENDIAN_BITFIELD
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#ifndef __LITTLE_ENDIAN
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#define __LITTLE_ENDIAN _LITTLE_ENDIAN
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#endif
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#ifndef __BIG_ENDIAN
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#define __BIG_ENDIAN _BIG_ENDIAN
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#endif
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#define __BYTE_ORDER _BYTE_ORDER
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#define __swap16 __builtin_bswap16
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#define __swap32 __builtin_bswap32
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#define __swap64 __builtin_bswap64
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/* glibc compatibility. */
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__BEGIN_DECLS
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uint32_t htonl(uint32_t) __pure2 __INTRODUCED_IN(21);
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uint16_t htons(uint16_t) __pure2 __INTRODUCED_IN(21);
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uint32_t ntohl(uint32_t) __pure2 __INTRODUCED_IN(21);
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uint16_t ntohs(uint16_t) __pure2 __INTRODUCED_IN(21);
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__END_DECLS
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#define htonl(x) __swap32(x)
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#define htons(x) __swap16(x)
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#define ntohl(x) __swap32(x)
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#define ntohs(x) __swap16(x)
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/* Bionic additions */
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#define htonq(x) __swap64(x)
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#define ntohq(x) __swap64(x)
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#if defined(__USE_BSD) || defined(__BIONIC__) /* Historically bionic exposed these. */
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#define LITTLE_ENDIAN _LITTLE_ENDIAN
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#define BIG_ENDIAN _BIG_ENDIAN
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#define PDP_ENDIAN _PDP_ENDIAN
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#define BYTE_ORDER _BYTE_ORDER
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#define NTOHL(x) (x) = ntohl((u_int32_t)(x))
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#define NTOHS(x) (x) = ntohs((u_int16_t)(x))
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#define HTONL(x) (x) = htonl((u_int32_t)(x))
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#define HTONS(x) (x) = htons((u_int16_t)(x))
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#define htobe16 __swap16
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#define htobe32 __swap32
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#define htobe64 __swap64
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#define betoh16 __swap16
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#define betoh32 __swap32
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#define betoh64 __swap64
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#define htole16(x) (x)
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#define htole32(x) (x)
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#define htole64(x) (x)
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#define letoh16(x) (x)
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#define letoh32(x) (x)
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#define letoh64(x) (x)
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/*
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* glibc-compatible beXXtoh/leXXtoh synonyms for htobeXX/htoleXX.
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* The BSDs export both sets of names, bionic historically only
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* exported the ones above (or on the rhs here), and glibc only
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* exports these names (on the lhs).
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*/
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#define be16toh(x) htobe16(x)
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#define be32toh(x) htobe32(x)
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#define be64toh(x) htobe64(x)
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#define le16toh(x) htole16(x)
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#define le32toh(x) htole32(x)
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#define le64toh(x) htole64(x)
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#endif /* __USE_BSD */
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#endif /* _SYS_ENDIAN_H_ */
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