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Revise the macOS section of <isc/endian.h>

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Move the macOS section of <isc/endian.h> to a lower spot as it is
believed not to be the most popular platform for running BIND.  Add a
comment and remove redundant definitions.
This commit is contained in:
Ondřej Surý 2019-06-03 14:13:23 +02:00
parent a98c7408fc
commit c727a31eab
1 changed files with 25 additions and 26 deletions
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51
lib/isc/include/isc/endian.h
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@ -11,32 +11,8 @@
#pragma once
#if defined __APPLE__
#include <libkern/OSByteOrder.h>
# define htobe16(x) OSSwapHostToBigInt16(x)
# define htole16(x) OSSwapHostToLittleInt16(x)
# define be16toh(x) OSSwapBigToHostInt16(x)
# define le16toh(x) OSSwapLittleToHostInt16(x)
# define htobe32(x) OSSwapHostToBigInt32(x)
# define htole32(x) OSSwapHostToLittleInt32(x)
# define be32toh(x) OSSwapBigToHostInt32(x)
# define le32toh(x) OSSwapLittleToHostInt32(x)
# define htobe64(x) OSSwapHostToBigInt64(x)
# define htole64(x) OSSwapHostToLittleInt64(x)
# define be64toh(x) OSSwapBigToHostInt64(x)
# define le64toh(x) OSSwapLittleToHostInt64(x)
# define __BYTE_ORDER BYTE_ORDER
# define __BIG_ENDIAN BIG_ENDIAN
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#elif defined(__DragonFly__) || defined(__FreeBSD__) || \
defined(__NetBSD__) || defined (__OpenBSD__) || defined(__bsdi__)
#if defined(__DragonFly__) || defined(__FreeBSD__) || \
defined(__NetBSD__) || defined (__OpenBSD__) || defined(__bsdi__)
# include <sys/endian.h>
@ -79,6 +55,29 @@
# define __LITTLE_ENDIAN LITTLE_ENDIAN
# define __PDP_ENDIAN PDP_ENDIAN
#elif defined __APPLE__
/*
* macOS has its own byte-swapping routines, so use these.
*/
# include <libkern/OSByteOrder.h>
# define htobe16(x) OSSwapHostToBigInt16(x)
# define htole16(x) OSSwapHostToLittleInt16(x)
# define be16toh(x) OSSwapBigToHostInt16(x)
# define le16toh(x) OSSwapLittleToHostInt16(x)
# define htobe32(x) OSSwapHostToBigInt32(x)
# define htole32(x) OSSwapHostToLittleInt32(x)
# define be32toh(x) OSSwapBigToHostInt32(x)
# define le32toh(x) OSSwapLittleToHostInt32(x)
# define htobe64(x) OSSwapHostToBigInt64(x)
# define htole64(x) OSSwapHostToLittleInt64(x)
# define be64toh(x) OSSwapBigToHostInt64(x)
# define le64toh(x) OSSwapLittleToHostInt64(x)
#elif defined(sun) || defined(__sun) || defined(__SVR4)
/*